/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/array_even_odd.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 13:11:51,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 13:11:51,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 13:11:51,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 13:11:51,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 13:11:51,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 13:11:51,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 13:11:51,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 13:11:51,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 13:11:51,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 13:11:51,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 13:11:51,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 13:11:51,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 13:11:51,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 13:11:51,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 13:11:51,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 13:11:51,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 13:11:51,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 13:11:51,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 13:11:51,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 13:11:51,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 13:11:51,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 13:11:51,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 13:11:51,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 13:11:51,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 13:11:51,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 13:11:51,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 13:11:51,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 13:11:51,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 13:11:51,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 13:11:51,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 13:11:51,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 13:11:51,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 13:11:51,938 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 13:11:51,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 13:11:51,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 13:11:51,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 13:11:51,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 13:11:51,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 13:11:51,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 13:11:51,941 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 13:11:52,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 13:11:52,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 13:11:52,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 13:11:52,338 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 13:11:52,340 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 13:11:52,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/array_even_odd.bpl [2021-03-26 13:11:52,341 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/array_even_odd.bpl' [2021-03-26 13:11:52,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 13:11:52,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 13:11:52,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 13:11:52,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 13:11:52,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 13:11:52,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 13:11:52,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 13:11:52,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 13:11:52,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 13:11:52,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... [2021-03-26 13:11:52,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 13:11:52,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 13:11:52,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 13:11:52,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 13:11:52,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 13:11:52,488 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bar given in one single declaration [2021-03-26 13:11:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-03-26 13:11:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-03-26 13:11:52,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-03-26 13:11:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-26 13:11:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-26 13:11:52,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 13:11:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 13:11:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 13:11:52,490 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 13:11:52,609 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 13:11:52,609 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-03-26 13:11:52,611 INFO L202 PluginConnector]: Adding new model array_even_odd.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:11:52 BoogieIcfgContainer [2021-03-26 13:11:52,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 13:11:52,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 13:11:52,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 13:11:52,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 13:11:52,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:11:52" (1/2) ... [2021-03-26 13:11:52,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f58e8f and model type array_even_odd.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:11:52, skipping insertion in model container [2021-03-26 13:11:52,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:11:52" (2/2) ... [2021-03-26 13:11:52,620 INFO L111 eAbstractionObserver]: Analyzing ICFG array_even_odd.bpl [2021-03-26 13:11:52,626 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 13:11:52,629 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 13:11:52,630 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 13:11:52,675 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 13:11:52,688 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 13:11:52,715 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 13:11:52,715 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 13:11:52,716 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 13:11:52,716 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 13:11:52,716 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 13:11:52,716 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 13:11:52,716 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 13:11:52,716 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 13:11:52,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 48 flow [2021-03-26 13:11:52,741 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-03-26 13:11:52,741 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:11:52,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 17 events. 2/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 31 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 16. Up to 2 conditions per place. [2021-03-26 13:11:52,745 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 19 transitions, 48 flow [2021-03-26 13:11:52,749 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 17 transitions, 40 flow [2021-03-26 13:11:52,750 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:52,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 17 transitions, 40 flow [2021-03-26 13:11:52,765 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 17 transitions, 40 flow [2021-03-26 13:11:52,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 17 transitions, 40 flow [2021-03-26 13:11:52,771 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-03-26 13:11:52,771 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:11:52,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 17 events. 2/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 29 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 16. Up to 2 conditions per place. [2021-03-26 13:11:52,774 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 13:11:53,103 INFO L154 LiptonReduction]: Checked pairs total: 67 [2021-03-26 13:11:53,103 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 13:11:53,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 358 [2021-03-26 13:11:53,120 INFO L129 PetriNetUnfolder]: 2/8 cut-off events. [2021-03-26 13:11:53,120 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:11:53,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:53,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-26 13:11:53,121 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:53,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:53,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2733597, now seen corresponding path program 1 times [2021-03-26 13:11:53,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:53,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266727539] [2021-03-26 13:11:53,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:53,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:11:53,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:53,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266727539] [2021-03-26 13:11:53,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:11:53,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 13:11:53,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943105828] [2021-03-26 13:11:53,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:11:53,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:53,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:11:53,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:11:53,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 26 [2021-03-26 13:11:53,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 12 transitions, 30 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:53,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 26 [2021-03-26 13:11:53,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:53,291 INFO L129 PetriNetUnfolder]: 10/25 cut-off events. [2021-03-26 13:11:53,292 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:11:53,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 25 events. 10/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 1 based on Foata normal form. 3/21 useless extension candidates. Maximal degree in co-relation 46. Up to 19 conditions per place. [2021-03-26 13:11:53,293 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 7 selfloop transitions, 3 changer transitions 0/13 dead transitions. [2021-03-26 13:11:53,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 13 transitions, 52 flow [2021-03-26 13:11:53,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:11:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:11:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2021-03-26 13:11:53,303 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5256410256410257 [2021-03-26 13:11:53,303 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 41 transitions. [2021-03-26 13:11:53,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 41 transitions. [2021-03-26 13:11:53,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:53,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 41 transitions. [2021-03-26 13:11:53,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,311 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,313 INFO L185 Difference]: Start difference. First operand has 17 places, 12 transitions, 30 flow. Second operand 3 states and 41 transitions. [2021-03-26 13:11:53,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 13 transitions, 52 flow [2021-03-26 13:11:53,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 13 transitions, 50 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 13:11:53,317 INFO L241 Difference]: Finished difference. Result has 16 places, 12 transitions, 43 flow [2021-03-26 13:11:53,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=16, PETRI_TRANSITIONS=12} [2021-03-26 13:11:53,319 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, -1 predicate places. [2021-03-26 13:11:53,319 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:53,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 16 places, 12 transitions, 43 flow [2021-03-26 13:11:53,320 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 16 places, 12 transitions, 43 flow [2021-03-26 13:11:53,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 16 places, 12 transitions, 43 flow [2021-03-26 13:11:53,329 INFO L129 PetriNetUnfolder]: 6/19 cut-off events. [2021-03-26 13:11:53,329 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 13:11:53,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 19 events. 6/19 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 33. Up to 11 conditions per place. [2021-03-26 13:11:53,330 INFO L142 LiptonReduction]: Number of co-enabled transitions 30 [2021-03-26 13:11:53,336 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 13:11:53,337 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:11:53,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 13:11:53,339 INFO L480 AbstractCegarLoop]: Abstraction has has 16 places, 12 transitions, 43 flow [2021-03-26 13:11:53,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:53,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-26 13:11:53,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 13:11:53,340 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:53,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:53,340 INFO L82 PathProgramCache]: Analyzing trace with hash 84749950, now seen corresponding path program 1 times [2021-03-26 13:11:53,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:53,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839933244] [2021-03-26 13:11:53,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:53,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:11:53,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:53,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:53,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839933244] [2021-03-26 13:11:53,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:11:53,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 13:11:53,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035955269] [2021-03-26 13:11:53,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:11:53,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:53,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:11:53,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:11:53,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 26 [2021-03-26 13:11:53,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:53,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 26 [2021-03-26 13:11:53,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:53,393 INFO L129 PetriNetUnfolder]: 10/24 cut-off events. [2021-03-26 13:11:53,393 INFO L130 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2021-03-26 13:11:53,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 24 events. 10/24 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 3/23 useless extension candidates. Maximal degree in co-relation 60. Up to 17 conditions per place. [2021-03-26 13:11:53,394 INFO L132 encePairwiseOnDemand]: 22/26 looper letters, 8 selfloop transitions, 4 changer transitions 0/15 dead transitions. [2021-03-26 13:11:53,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 15 transitions, 78 flow [2021-03-26 13:11:53,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:11:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:11:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2021-03-26 13:11:53,401 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2021-03-26 13:11:53,401 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 38 transitions. [2021-03-26 13:11:53,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 38 transitions. [2021-03-26 13:11:53,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:53,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 38 transitions. [2021-03-26 13:11:53,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,409 INFO L185 Difference]: Start difference. First operand has 16 places, 12 transitions, 43 flow. Second operand 3 states and 38 transitions. [2021-03-26 13:11:53,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 15 transitions, 78 flow [2021-03-26 13:11:53,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 15 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:11:53,410 INFO L241 Difference]: Finished difference. Result has 18 places, 14 transitions, 64 flow [2021-03-26 13:11:53,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=18, PETRI_TRANSITIONS=14} [2021-03-26 13:11:53,411 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 1 predicate places. [2021-03-26 13:11:53,411 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:53,411 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 14 transitions, 64 flow [2021-03-26 13:11:53,411 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 14 transitions, 64 flow [2021-03-26 13:11:53,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 18 places, 14 transitions, 64 flow [2021-03-26 13:11:53,414 INFO L129 PetriNetUnfolder]: 10/24 cut-off events. [2021-03-26 13:11:53,415 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-26 13:11:53,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 24 events. 10/24 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 54. Up to 11 conditions per place. [2021-03-26 13:11:53,415 INFO L142 LiptonReduction]: Number of co-enabled transitions 26 [2021-03-26 13:11:53,417 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:11:53,417 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:11:53,417 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 13:11:53,418 INFO L480 AbstractCegarLoop]: Abstraction has has 18 places, 12 transitions, 50 flow [2021-03-26 13:11:53,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:53,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:11:53,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 13:11:53,419 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:53,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:53,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1667971882, now seen corresponding path program 1 times [2021-03-26 13:11:53,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:53,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594078581] [2021-03-26 13:11:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:53,492 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:11:53,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:11:53,497 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:53,498 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:53,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:53,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594078581] [2021-03-26 13:11:53,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:11:53,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:11:53,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121691795] [2021-03-26 13:11:53,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:11:53,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:53,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:11:53,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:11:53,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2021-03-26 13:11:53,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 12 transitions, 50 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:53,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2021-03-26 13:11:53,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:53,542 INFO L129 PetriNetUnfolder]: 15/35 cut-off events. [2021-03-26 13:11:53,542 INFO L130 PetriNetUnfolder]: For 31/41 co-relation queries the response was YES. [2021-03-26 13:11:53,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 35 events. 15/35 cut-off events. For 31/41 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 66 event pairs, 0 based on Foata normal form. 5/40 useless extension candidates. Maximal degree in co-relation 110. Up to 24 conditions per place. [2021-03-26 13:11:53,543 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 8 selfloop transitions, 10 changer transitions 0/21 dead transitions. [2021-03-26 13:11:53,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 21 transitions, 131 flow [2021-03-26 13:11:53,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:11:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:11:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2021-03-26 13:11:53,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3923076923076923 [2021-03-26 13:11:53,544 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 51 transitions. [2021-03-26 13:11:53,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 51 transitions. [2021-03-26 13:11:53,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:53,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 51 transitions. [2021-03-26 13:11:53,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 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) [2021-03-26 13:11:53,546 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 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) [2021-03-26 13:11:53,547 INFO L185 Difference]: Start difference. First operand has 18 places, 12 transitions, 50 flow. Second operand 5 states and 51 transitions. [2021-03-26 13:11:53,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 21 transitions, 131 flow [2021-03-26 13:11:53,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 21 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:11:53,550 INFO L241 Difference]: Finished difference. Result has 23 places, 19 transitions, 120 flow [2021-03-26 13:11:53,550 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=120, PETRI_PLACES=23, PETRI_TRANSITIONS=19} [2021-03-26 13:11:53,550 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 6 predicate places. [2021-03-26 13:11:53,550 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:53,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 19 transitions, 120 flow [2021-03-26 13:11:53,551 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 19 transitions, 120 flow [2021-03-26 13:11:53,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 19 transitions, 120 flow [2021-03-26 13:11:53,561 INFO L129 PetriNetUnfolder]: 15/35 cut-off events. [2021-03-26 13:11:53,561 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-03-26 13:11:53,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 35 events. 15/35 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 68 event pairs, 1 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 114. Up to 18 conditions per place. [2021-03-26 13:11:53,562 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-26 13:11:53,567 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:11:53,567 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:11:53,567 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 13:11:53,572 INFO L480 AbstractCegarLoop]: Abstraction has has 23 places, 18 transitions, 111 flow [2021-03-26 13:11:53,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:53,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:11:53,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 13:11:53,573 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:53,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:53,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1667718215, now seen corresponding path program 1 times [2021-03-26 13:11:53,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:53,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539129604] [2021-03-26 13:11:53,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:53,602 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:11:53,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:11:53,609 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:53,610 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:53,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:53,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539129604] [2021-03-26 13:11:53,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:11:53,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:11:53,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680214105] [2021-03-26 13:11:53,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:11:53,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:53,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:11:53,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:11:53,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2021-03-26 13:11:53,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 18 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:53,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2021-03-26 13:11:53,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:53,648 INFO L129 PetriNetUnfolder]: 15/36 cut-off events. [2021-03-26 13:11:53,648 INFO L130 PetriNetUnfolder]: For 57/70 co-relation queries the response was YES. [2021-03-26 13:11:53,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 36 events. 15/36 cut-off events. For 57/70 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 69 event pairs, 0 based on Foata normal form. 4/40 useless extension candidates. Maximal degree in co-relation 148. Up to 25 conditions per place. [2021-03-26 13:11:53,649 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 9 selfloop transitions, 10 changer transitions 0/22 dead transitions. [2021-03-26 13:11:53,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 178 flow [2021-03-26 13:11:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:11:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:11:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2021-03-26 13:11:53,650 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3923076923076923 [2021-03-26 13:11:53,650 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 51 transitions. [2021-03-26 13:11:53,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 51 transitions. [2021-03-26 13:11:53,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:53,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 51 transitions. [2021-03-26 13:11:53,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 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) [2021-03-26 13:11:53,652 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 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) [2021-03-26 13:11:53,652 INFO L185 Difference]: Start difference. First operand has 23 places, 18 transitions, 111 flow. Second operand 5 states and 51 transitions. [2021-03-26 13:11:53,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 178 flow [2021-03-26 13:11:53,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 22 transitions, 178 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 13:11:53,653 INFO L241 Difference]: Finished difference. Result has 28 places, 21 transitions, 165 flow [2021-03-26 13:11:53,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=165, PETRI_PLACES=28, PETRI_TRANSITIONS=21} [2021-03-26 13:11:53,654 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 11 predicate places. [2021-03-26 13:11:53,654 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:53,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 21 transitions, 165 flow [2021-03-26 13:11:53,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 21 transitions, 165 flow [2021-03-26 13:11:53,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 21 transitions, 165 flow [2021-03-26 13:11:53,658 INFO L129 PetriNetUnfolder]: 15/36 cut-off events. [2021-03-26 13:11:53,658 INFO L130 PetriNetUnfolder]: For 73/75 co-relation queries the response was YES. [2021-03-26 13:11:53,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 36 events. 15/36 cut-off events. For 73/75 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 71 event pairs, 1 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 141. Up to 17 conditions per place. [2021-03-26 13:11:53,659 INFO L142 LiptonReduction]: Number of co-enabled transitions 44 [2021-03-26 13:11:53,661 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:11:53,661 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:11:53,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 13:11:53,662 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 20 transitions, 153 flow [2021-03-26 13:11:53,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:53,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:53,662 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:53,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 13:11:53,663 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:53,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:53,663 INFO L82 PathProgramCache]: Analyzing trace with hash -153942339, now seen corresponding path program 1 times [2021-03-26 13:11:53,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:53,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640105166] [2021-03-26 13:11:53,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:53,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:53,682 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:11:53,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:11:53,686 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:53,687 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:53,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:53,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640105166] [2021-03-26 13:11:53,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356578811] [2021-03-26 13:11:53,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:53,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 13:11:53,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:53,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:53,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:53,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:53,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:53,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:53,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:53,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:53,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:53,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:53,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:53,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:53,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:53,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:53,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:53,878 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:53,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:53,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:53,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:53,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:53,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:53,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:53,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:53,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:53,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:53,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:53,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:11:53,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:11:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:53,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:53,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:53,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:11:53,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:53,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:53,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:53,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:53,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:53,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:53,993 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:11:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:53,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:53,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:54,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:54,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:54,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:11:54,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2021-03-26 13:11:54,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10512540] [2021-03-26 13:11:54,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 13:11:54,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:54,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 13:11:54,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:11:54,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2021-03-26 13:11:54,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 20 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:54,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2021-03-26 13:11:54,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:54,098 INFO L129 PetriNetUnfolder]: 17/44 cut-off events. [2021-03-26 13:11:54,098 INFO L130 PetriNetUnfolder]: For 118/136 co-relation queries the response was YES. [2021-03-26 13:11:54,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 44 events. 17/44 cut-off events. For 118/136 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 103 event pairs, 1 based on Foata normal form. 6/50 useless extension candidates. Maximal degree in co-relation 212. Up to 25 conditions per place. [2021-03-26 13:11:54,099 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 17 selfloop transitions, 10 changer transitions 0/30 dead transitions. [2021-03-26 13:11:54,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 288 flow [2021-03-26 13:11:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 13:11:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 13:11:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2021-03-26 13:11:54,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40384615384615385 [2021-03-26 13:11:54,105 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 63 transitions. [2021-03-26 13:11:54,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 63 transitions. [2021-03-26 13:11:54,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:54,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 63 transitions. [2021-03-26 13:11:54,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,106 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,106 INFO L185 Difference]: Start difference. First operand has 28 places, 20 transitions, 153 flow. Second operand 6 states and 63 transitions. [2021-03-26 13:11:54,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 288 flow [2021-03-26 13:11:54,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 30 transitions, 278 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-26 13:11:54,108 INFO L241 Difference]: Finished difference. Result has 36 places, 25 transitions, 225 flow [2021-03-26 13:11:54,109 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=225, PETRI_PLACES=36, PETRI_TRANSITIONS=25} [2021-03-26 13:11:54,109 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 19 predicate places. [2021-03-26 13:11:54,109 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:54,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 25 transitions, 225 flow [2021-03-26 13:11:54,109 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 25 transitions, 225 flow [2021-03-26 13:11:54,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 25 transitions, 225 flow [2021-03-26 13:11:54,114 INFO L129 PetriNetUnfolder]: 17/44 cut-off events. [2021-03-26 13:11:54,114 INFO L130 PetriNetUnfolder]: For 134/134 co-relation queries the response was YES. [2021-03-26 13:11:54,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 44 events. 17/44 cut-off events. For 134/134 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 106 event pairs, 3 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 198. Up to 23 conditions per place. [2021-03-26 13:11:54,115 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-26 13:11:54,189 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:11:54,189 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:11:54,189 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-03-26 13:11:54,190 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 23 transitions, 203 flow [2021-03-26 13:11:54,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,190 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:54,190 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2021-03-26 13:11:54,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:54,407 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:54,407 INFO L82 PathProgramCache]: Analyzing trace with hash -153688672, now seen corresponding path program 2 times [2021-03-26 13:11:54,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:54,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793109491] [2021-03-26 13:11:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:54,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:54,435 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:11:54,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:11:54,439 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:54,439 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:54,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:54,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793109491] [2021-03-26 13:11:54,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148376373] [2021-03-26 13:11:54,454 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 [2021-03-26 13:11:54,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 13:11:54,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 13:11:54,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 13:11:54,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:54,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:54,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:54,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:54,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:54,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:54,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:54,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:54,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:54,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:54,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:54,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:54,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:54,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:54,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:54,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:54,511 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:54,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:54,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:54,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:54,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:54,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:54,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:54,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:54,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:11:54,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:11:54,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:54,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:54,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:11:54,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:54,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:54,538 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:54,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:54,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:54,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:54,546 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:11:54,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:54,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:54,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:11:54,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2021-03-26 13:11:54,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772549423] [2021-03-26 13:11:54,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 13:11:54,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:54,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 13:11:54,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:11:54,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 28 [2021-03-26 13:11:54,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 23 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:54,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 28 [2021-03-26 13:11:54,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:54,627 INFO L129 PetriNetUnfolder]: 16/44 cut-off events. [2021-03-26 13:11:54,627 INFO L130 PetriNetUnfolder]: For 186/204 co-relation queries the response was YES. [2021-03-26 13:11:54,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 44 events. 16/44 cut-off events. For 186/204 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 105 event pairs, 3 based on Foata normal form. 7/51 useless extension candidates. Maximal degree in co-relation 238. Up to 25 conditions per place. [2021-03-26 13:11:54,628 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 15 selfloop transitions, 7 changer transitions 4/29 dead transitions. [2021-03-26 13:11:54,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 29 transitions, 312 flow [2021-03-26 13:11:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 13:11:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 13:11:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2021-03-26 13:11:54,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.375 [2021-03-26 13:11:54,629 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 63 transitions. [2021-03-26 13:11:54,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 63 transitions. [2021-03-26 13:11:54,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:54,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 63 transitions. [2021-03-26 13:11:54,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 28.0) internal successors, (196), 7 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,630 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 28.0) internal successors, (196), 7 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,630 INFO L185 Difference]: Start difference. First operand has 35 places, 23 transitions, 203 flow. Second operand 6 states and 63 transitions. [2021-03-26 13:11:54,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 29 transitions, 312 flow [2021-03-26 13:11:54,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 297 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-26 13:11:54,634 INFO L241 Difference]: Finished difference. Result has 41 places, 23 transitions, 214 flow [2021-03-26 13:11:54,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=214, PETRI_PLACES=41, PETRI_TRANSITIONS=23} [2021-03-26 13:11:54,634 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 24 predicate places. [2021-03-26 13:11:54,634 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:54,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 23 transitions, 214 flow [2021-03-26 13:11:54,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 23 transitions, 214 flow [2021-03-26 13:11:54,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 23 transitions, 214 flow [2021-03-26 13:11:54,638 INFO L129 PetriNetUnfolder]: 15/40 cut-off events. [2021-03-26 13:11:54,638 INFO L130 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2021-03-26 13:11:54,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 40 events. 15/40 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 3 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 186. Up to 22 conditions per place. [2021-03-26 13:11:54,639 INFO L142 LiptonReduction]: Number of co-enabled transitions 50 [2021-03-26 13:11:54,640 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:11:54,640 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:11:54,641 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 13:11:54,641 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 23 transitions, 214 flow [2021-03-26 13:11:54,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:54,641 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:54,641 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2021-03-26 13:11:54,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:54,863 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:54,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:54,863 INFO L82 PathProgramCache]: Analyzing trace with hash -167520308, now seen corresponding path program 2 times [2021-03-26 13:11:54,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:54,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221366077] [2021-03-26 13:11:54,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:54,883 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-26 13:11:54,884 INFO L147 QuantifierPusher]: treesize reduction 9, result has 35.7 percent of original size 5 [2021-03-26 13:11:54,896 INFO L142 QuantifierPusher]: treesize reduction 19, result has 48.6 percent of original size [2021-03-26 13:11:54,897 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-26 13:11:54,910 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:54,910 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:54,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:54,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221366077] [2021-03-26 13:11:54,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13975045] [2021-03-26 13:11:54,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:54,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 13:11:54,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 13:11:54,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:11:54,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:54,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:54,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:54,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:55,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:55,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:55,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:55,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:55,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:55,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:55,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:55,033 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:55,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:11:55,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:55,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:11:55,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:55,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:55,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:11:55,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:55,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:55,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:55,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:55,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-26 13:11:55,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:55,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:55,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:11:55,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:11:55,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:11:55,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:55,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:55,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:11:55,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:11:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:55,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-03-26 13:11:55,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:11:55,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:11:55,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:55,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:55,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:55,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:11:55,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:55,191 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:27 [2021-03-26 13:11:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:55,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:11:55,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:55,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:11:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:55,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:11:55,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2021-03-26 13:11:55,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105610437] [2021-03-26 13:11:55,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 13:11:55,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:55,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 13:11:55,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:11:55,219 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 28 [2021-03-26 13:11:55,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 23 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:55,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:55,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 28 [2021-03-26 13:11:55,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:55,279 INFO L129 PetriNetUnfolder]: 19/50 cut-off events. [2021-03-26 13:11:55,279 INFO L130 PetriNetUnfolder]: For 209/226 co-relation queries the response was YES. [2021-03-26 13:11:55,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 50 events. 19/50 cut-off events. For 209/226 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 122 event pairs, 3 based on Foata normal form. 14/64 useless extension candidates. Maximal degree in co-relation 282. Up to 34 conditions per place. [2021-03-26 13:11:55,280 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 16 selfloop transitions, 5 changer transitions 9/33 dead transitions. [2021-03-26 13:11:55,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 33 transitions, 376 flow [2021-03-26 13:11:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 13:11:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 13:11:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2021-03-26 13:11:55,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3630952380952381 [2021-03-26 13:11:55,282 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 61 transitions. [2021-03-26 13:11:55,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 61 transitions. [2021-03-26 13:11:55,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:55,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 61 transitions. [2021-03-26 13:11:55,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:55,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 28.0) internal successors, (196), 7 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:55,283 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 28.0) internal successors, (196), 7 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:55,283 INFO L185 Difference]: Start difference. First operand has 39 places, 23 transitions, 214 flow. Second operand 6 states and 61 transitions. [2021-03-26 13:11:55,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 33 transitions, 376 flow [2021-03-26 13:11:55,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 33 transitions, 354 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 13:11:55,286 INFO L241 Difference]: Finished difference. Result has 43 places, 22 transitions, 214 flow [2021-03-26 13:11:55,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=214, PETRI_PLACES=43, PETRI_TRANSITIONS=22} [2021-03-26 13:11:55,286 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 26 predicate places. [2021-03-26 13:11:55,286 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:55,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 22 transitions, 214 flow [2021-03-26 13:11:55,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 22 transitions, 214 flow [2021-03-26 13:11:55,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 22 transitions, 214 flow [2021-03-26 13:11:55,290 INFO L129 PetriNetUnfolder]: 15/40 cut-off events. [2021-03-26 13:11:55,290 INFO L130 PetriNetUnfolder]: For 155/155 co-relation queries the response was YES. [2021-03-26 13:11:55,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 40 events. 15/40 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 94 event pairs, 3 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 205. Up to 23 conditions per place. [2021-03-26 13:11:55,291 INFO L142 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-26 13:11:55,292 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:11:55,292 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:11:55,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 13:11:55,292 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 22 transitions, 214 flow [2021-03-26 13:11:55,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:55,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:55,293 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:55,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:55,506 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:55,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:55,506 INFO L82 PathProgramCache]: Analyzing trace with hash -153942277, now seen corresponding path program 1 times [2021-03-26 13:11:55,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:55,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345561652] [2021-03-26 13:11:55,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:55,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:55,549 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-03-26 13:11:55,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:11:55,566 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 13:11:55,566 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 13:11:55,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:55,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345561652] [2021-03-26 13:11:55,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320703816] [2021-03-26 13:11:55,598 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) [2021-03-26 13:11:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:55,649 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-26 13:11:55,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:55,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:55,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:55,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:55,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:55,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:55,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:55,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:55,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:55,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:55,701 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:55,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:55,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:11:55,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:11:55,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:55,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:55,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2021-03-26 13:11:55,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:11:55,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:11:55,758 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:55,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:55,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:11:55,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:55,767 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:24 [2021-03-26 13:11:55,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:55,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:11:55,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:55,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:55,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:55,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:11:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:55,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:11:55,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:11:55,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870941026] [2021-03-26 13:11:55,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:11:55,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:55,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:11:55,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:11:55,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 28 [2021-03-26 13:11:55,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 22 transitions, 214 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:11:55,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:55,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 28 [2021-03-26 13:11:55,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:55,975 INFO L129 PetriNetUnfolder]: 26/67 cut-off events. [2021-03-26 13:11:55,976 INFO L130 PetriNetUnfolder]: For 339/346 co-relation queries the response was YES. [2021-03-26 13:11:55,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 67 events. 26/67 cut-off events. For 339/346 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 212 event pairs, 1 based on Foata normal form. 9/76 useless extension candidates. Maximal degree in co-relation 419. Up to 37 conditions per place. [2021-03-26 13:11:55,976 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 14 selfloop transitions, 19 changer transitions 9/45 dead transitions. [2021-03-26 13:11:55,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 45 transitions, 548 flow [2021-03-26 13:11:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:11:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:11:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 111 transitions. [2021-03-26 13:11:55,978 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36038961038961037 [2021-03-26 13:11:55,978 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 111 transitions. [2021-03-26 13:11:55,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 111 transitions. [2021-03-26 13:11:55,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:55,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 111 transitions. [2021-03-26 13:11:55,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:55,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 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) [2021-03-26 13:11:55,979 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 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) [2021-03-26 13:11:55,979 INFO L185 Difference]: Start difference. First operand has 39 places, 22 transitions, 214 flow. Second operand 11 states and 111 transitions. [2021-03-26 13:11:55,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 45 transitions, 548 flow [2021-03-26 13:11:55,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 45 transitions, 463 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-03-26 13:11:55,982 INFO L241 Difference]: Finished difference. Result has 46 places, 30 transitions, 304 flow [2021-03-26 13:11:55,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=304, PETRI_PLACES=46, PETRI_TRANSITIONS=30} [2021-03-26 13:11:55,992 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 29 predicate places. [2021-03-26 13:11:55,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:55,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 30 transitions, 304 flow [2021-03-26 13:11:55,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 30 transitions, 304 flow [2021-03-26 13:11:55,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 30 transitions, 304 flow [2021-03-26 13:11:55,996 INFO L129 PetriNetUnfolder]: 22/57 cut-off events. [2021-03-26 13:11:55,996 INFO L130 PetriNetUnfolder]: For 207/207 co-relation queries the response was YES. [2021-03-26 13:11:55,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 57 events. 22/57 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 153 event pairs, 4 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 289. Up to 34 conditions per place. [2021-03-26 13:11:55,997 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 13:11:56,029 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:11:56,029 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:11:56,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 13:11:56,030 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 29 transitions, 292 flow [2021-03-26 13:11:56,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:11:56,030 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:56,030 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2021-03-26 13:11:56,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:56,240 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:56,240 INFO L82 PathProgramCache]: Analyzing trace with hash -159656482, now seen corresponding path program 3 times [2021-03-26 13:11:56,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:56,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133777796] [2021-03-26 13:11:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:56,259 INFO L142 QuantifierPusher]: treesize reduction 14, result has 41.7 percent of original size [2021-03-26 13:11:56,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:11:56,265 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-26 13:11:56,265 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-26 13:11:56,279 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:56,280 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:56,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:56,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133777796] [2021-03-26 13:11:56,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160832297] [2021-03-26 13:11:56,295 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:56,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 13:11:56,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 13:11:56,327 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:11:56,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:56,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:56,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:56,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:56,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:56,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:56,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:56,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:56,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:56,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:56,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:56,365 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:56,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:11:56,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:56,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:56,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:56,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:56,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:56,391 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-03-26 13:11:56,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:56,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:56,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:56,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:11:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:56,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:56,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:11:56,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:56,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:56,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-03-26 13:11:56,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:11:56,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:11:56,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:56,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:56,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:56,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:56,426 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-26 13:11:56,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:56,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:56,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:11:56,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:11:56,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991157174] [2021-03-26 13:11:56,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:11:56,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:56,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:11:56,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:11:56,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 29 [2021-03-26 13:11:56,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 29 transitions, 292 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:11:56,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:56,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 29 [2021-03-26 13:11:56,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:56,508 INFO L129 PetriNetUnfolder]: 20/50 cut-off events. [2021-03-26 13:11:56,508 INFO L130 PetriNetUnfolder]: For 197/205 co-relation queries the response was YES. [2021-03-26 13:11:56,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 50 events. 20/50 cut-off events. For 197/205 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 125 event pairs, 1 based on Foata normal form. 10/60 useless extension candidates. Maximal degree in co-relation 301. Up to 31 conditions per place. [2021-03-26 13:11:56,509 INFO L132 encePairwiseOnDemand]: 22/29 looper letters, 13 selfloop transitions, 12 changer transitions 5/33 dead transitions. [2021-03-26 13:11:56,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 33 transitions, 395 flow [2021-03-26 13:11:56,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:11:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:11:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 78 transitions. [2021-03-26 13:11:56,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33620689655172414 [2021-03-26 13:11:56,511 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 78 transitions. [2021-03-26 13:11:56,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 78 transitions. [2021-03-26 13:11:56,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:56,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 78 transitions. [2021-03-26 13:11:56,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:56,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:56,513 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:56,513 INFO L185 Difference]: Start difference. First operand has 42 places, 29 transitions, 292 flow. Second operand 8 states and 78 transitions. [2021-03-26 13:11:56,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 33 transitions, 395 flow [2021-03-26 13:11:56,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 33 transitions, 330 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-03-26 13:11:56,515 INFO L241 Difference]: Finished difference. Result has 45 places, 26 transitions, 237 flow [2021-03-26 13:11:56,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=237, PETRI_PLACES=45, PETRI_TRANSITIONS=26} [2021-03-26 13:11:56,515 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 28 predicate places. [2021-03-26 13:11:56,515 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:56,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 26 transitions, 237 flow [2021-03-26 13:11:56,516 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 26 transitions, 237 flow [2021-03-26 13:11:56,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 26 transitions, 237 flow [2021-03-26 13:11:56,518 INFO L129 PetriNetUnfolder]: 18/44 cut-off events. [2021-03-26 13:11:56,518 INFO L130 PetriNetUnfolder]: For 131/131 co-relation queries the response was YES. [2021-03-26 13:11:56,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 44 events. 18/44 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 99 event pairs, 2 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 206. Up to 22 conditions per place. [2021-03-26 13:11:56,519 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-26 13:11:56,520 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:11:56,520 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:11:56,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 13:11:56,521 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 26 transitions, 237 flow [2021-03-26 13:11:56,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:11:56,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:56,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:56,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:56,736 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:56,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:56,737 INFO L82 PathProgramCache]: Analyzing trace with hash -159021261, now seen corresponding path program 1 times [2021-03-26 13:11:56,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:56,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242244378] [2021-03-26 13:11:56,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:56,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:56,764 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:11:56,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:11:56,767 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:56,767 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:56,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:56,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242244378] [2021-03-26 13:11:56,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142684206] [2021-03-26 13:11:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:56,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 13:11:56,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:56,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:56,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:56,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:56,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:56,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:56,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:56,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:56,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:56,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:56,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:56,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:56,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:56,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:56,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:56,834 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:56,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:56,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:56,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:56,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:11:56,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:11:56,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:56,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:56,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:56,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:11:56,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:56,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:56,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:56,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:56,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:56,879 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:11:56,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:56,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:56,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:56,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:56,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:56,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:11:56,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2021-03-26 13:11:56,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231740816] [2021-03-26 13:11:56,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 13:11:56,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:56,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 13:11:56,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:11:56,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 29 [2021-03-26 13:11:56,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 26 transitions, 237 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:56,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:56,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 29 [2021-03-26 13:11:56,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:56,951 INFO L129 PetriNetUnfolder]: 20/47 cut-off events. [2021-03-26 13:11:56,951 INFO L130 PetriNetUnfolder]: For 173/178 co-relation queries the response was YES. [2021-03-26 13:11:56,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 47 events. 20/47 cut-off events. For 173/178 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 106 event pairs, 1 based on Foata normal form. 6/53 useless extension candidates. Maximal degree in co-relation 263. Up to 40 conditions per place. [2021-03-26 13:11:56,952 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 19 selfloop transitions, 8 changer transitions 0/30 dead transitions. [2021-03-26 13:11:56,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 30 transitions, 334 flow [2021-03-26 13:11:56,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 13:11:56,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 13:11:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 60 transitions. [2021-03-26 13:11:56,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3448275862068966 [2021-03-26 13:11:56,953 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 60 transitions. [2021-03-26 13:11:56,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 60 transitions. [2021-03-26 13:11:56,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:56,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 60 transitions. [2021-03-26 13:11:56,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 10.0) internal successors, (60), 6 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) [2021-03-26 13:11:56,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:56,955 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:56,955 INFO L185 Difference]: Start difference. First operand has 41 places, 26 transitions, 237 flow. Second operand 6 states and 60 transitions. [2021-03-26 13:11:56,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 30 transitions, 334 flow [2021-03-26 13:11:56,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 30 transitions, 268 flow, removed 13 selfloop flow, removed 8 redundant places. [2021-03-26 13:11:56,958 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 234 flow [2021-03-26 13:11:56,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-03-26 13:11:56,959 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 23 predicate places. [2021-03-26 13:11:56,959 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:56,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 234 flow [2021-03-26 13:11:56,960 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 234 flow [2021-03-26 13:11:56,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 234 flow [2021-03-26 13:11:56,964 INFO L129 PetriNetUnfolder]: 19/46 cut-off events. [2021-03-26 13:11:56,964 INFO L130 PetriNetUnfolder]: For 113/114 co-relation queries the response was YES. [2021-03-26 13:11:56,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 46 events. 19/46 cut-off events. For 113/114 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 100 event pairs, 1 based on Foata normal form. 1/47 useless extension candidates. Maximal degree in co-relation 186. Up to 23 conditions per place. [2021-03-26 13:11:56,964 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-26 13:11:56,984 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:11:56,985 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:11:56,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-26 13:11:56,986 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 225 flow [2021-03-26 13:11:56,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:56,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:56,986 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:57,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:57,204 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:57,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:57,204 INFO L82 PathProgramCache]: Analyzing trace with hash -635003390, now seen corresponding path program 2 times [2021-03-26 13:11:57,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:57,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110316981] [2021-03-26 13:11:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:57,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,225 INFO L142 QuantifierPusher]: treesize reduction 23, result has 17.9 percent of original size [2021-03-26 13:11:57,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,229 INFO L142 QuantifierPusher]: treesize reduction 19, result has 48.6 percent of original size [2021-03-26 13:11:57,229 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-26 13:11:57,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:57,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110316981] [2021-03-26 13:11:57,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:11:57,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:11:57,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962685212] [2021-03-26 13:11:57,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:11:57,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:57,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:11:57,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:11:57,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 30 [2021-03-26 13:11:57,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 225 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:57,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 30 [2021-03-26 13:11:57,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:57,306 INFO L129 PetriNetUnfolder]: 36/89 cut-off events. [2021-03-26 13:11:57,306 INFO L130 PetriNetUnfolder]: For 265/270 co-relation queries the response was YES. [2021-03-26 13:11:57,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 89 events. 36/89 cut-off events. For 265/270 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 290 event pairs, 1 based on Foata normal form. 8/97 useless extension candidates. Maximal degree in co-relation 453. Up to 47 conditions per place. [2021-03-26 13:11:57,307 INFO L132 encePairwiseOnDemand]: 22/30 looper letters, 22 selfloop transitions, 33 changer transitions 2/60 dead transitions. [2021-03-26 13:11:57,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 60 transitions, 599 flow [2021-03-26 13:11:57,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:11:57,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:11:57,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 99 transitions. [2021-03-26 13:11:57,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36666666666666664 [2021-03-26 13:11:57,308 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 99 transitions. [2021-03-26 13:11:57,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 99 transitions. [2021-03-26 13:11:57,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:57,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 99 transitions. [2021-03-26 13:11:57,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 11.0) internal successors, (99), 9 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) [2021-03-26 13:11:57,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,310 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,310 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 225 flow. Second operand 9 states and 99 transitions. [2021-03-26 13:11:57,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 60 transitions, 599 flow [2021-03-26 13:11:57,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 60 transitions, 581 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 13:11:57,315 INFO L241 Difference]: Finished difference. Result has 49 places, 47 transitions, 502 flow [2021-03-26 13:11:57,315 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=502, PETRI_PLACES=49, PETRI_TRANSITIONS=47} [2021-03-26 13:11:57,315 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 32 predicate places. [2021-03-26 13:11:57,315 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:57,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 47 transitions, 502 flow [2021-03-26 13:11:57,315 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 47 transitions, 502 flow [2021-03-26 13:11:57,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 47 transitions, 502 flow [2021-03-26 13:11:57,323 INFO L129 PetriNetUnfolder]: 35/87 cut-off events. [2021-03-26 13:11:57,324 INFO L130 PetriNetUnfolder]: For 421/421 co-relation queries the response was YES. [2021-03-26 13:11:57,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 87 events. 35/87 cut-off events. For 421/421 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 282 event pairs, 4 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 469. Up to 45 conditions per place. [2021-03-26 13:11:57,325 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-26 13:11:57,331 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:11:57,332 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:11:57,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 13:11:57,333 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 46 transitions, 489 flow [2021-03-26 13:11:57,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:57,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:57,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 13:11:57,334 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:57,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:57,334 INFO L82 PathProgramCache]: Analyzing trace with hash -159021106, now seen corresponding path program 1 times [2021-03-26 13:11:57,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:57,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125817567] [2021-03-26 13:11:57,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,370 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-26 13:11:57,371 INFO L147 QuantifierPusher]: treesize reduction 9, result has 35.7 percent of original size 5 [2021-03-26 13:11:57,380 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 13:11:57,381 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 13:11:57,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:57,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125817567] [2021-03-26 13:11:57,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:11:57,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 13:11:57,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502904301] [2021-03-26 13:11:57,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 13:11:57,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:57,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 13:11:57,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 13:11:57,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 30 [2021-03-26 13:11:57,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 46 transitions, 489 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:57,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 30 [2021-03-26 13:11:57,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:57,463 INFO L129 PetriNetUnfolder]: 45/108 cut-off events. [2021-03-26 13:11:57,464 INFO L130 PetriNetUnfolder]: For 576/579 co-relation queries the response was YES. [2021-03-26 13:11:57,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 108 events. 45/108 cut-off events. For 576/579 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 377 event pairs, 2 based on Foata normal form. 6/114 useless extension candidates. Maximal degree in co-relation 693. Up to 69 conditions per place. [2021-03-26 13:11:57,465 INFO L132 encePairwiseOnDemand]: 23/30 looper letters, 36 selfloop transitions, 25 changer transitions 1/65 dead transitions. [2021-03-26 13:11:57,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 65 transitions, 829 flow [2021-03-26 13:11:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:11:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:11:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 77 transitions. [2021-03-26 13:11:57,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36666666666666664 [2021-03-26 13:11:57,466 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 77 transitions. [2021-03-26 13:11:57,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 77 transitions. [2021-03-26 13:11:57,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:57,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 77 transitions. [2021-03-26 13:11:57,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 30.0) internal successors, (240), 8 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,468 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 30.0) internal successors, (240), 8 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,469 INFO L185 Difference]: Start difference. First operand has 48 places, 46 transitions, 489 flow. Second operand 7 states and 77 transitions. [2021-03-26 13:11:57,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 65 transitions, 829 flow [2021-03-26 13:11:57,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 65 transitions, 723 flow, removed 51 selfloop flow, removed 2 redundant places. [2021-03-26 13:11:57,474 INFO L241 Difference]: Finished difference. Result has 55 places, 57 transitions, 619 flow [2021-03-26 13:11:57,475 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=619, PETRI_PLACES=55, PETRI_TRANSITIONS=57} [2021-03-26 13:11:57,475 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 38 predicate places. [2021-03-26 13:11:57,475 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:57,476 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 57 transitions, 619 flow [2021-03-26 13:11:57,476 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 57 transitions, 619 flow [2021-03-26 13:11:57,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 57 transitions, 619 flow [2021-03-26 13:11:57,489 INFO L129 PetriNetUnfolder]: 45/108 cut-off events. [2021-03-26 13:11:57,489 INFO L130 PetriNetUnfolder]: For 571/571 co-relation queries the response was YES. [2021-03-26 13:11:57,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 108 events. 45/108 cut-off events. For 571/571 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 403 event pairs, 4 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 581. Up to 55 conditions per place. [2021-03-26 13:11:57,491 INFO L142 LiptonReduction]: Number of co-enabled transitions 116 [2021-03-26 13:11:57,523 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 13:11:57,523 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 13:11:57,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 13:11:57,524 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 52 transitions, 562 flow [2021-03-26 13:11:57,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,524 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:57,524 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:57,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 13:11:57,524 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:57,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:57,525 INFO L82 PathProgramCache]: Analyzing trace with hash -468656311, now seen corresponding path program 1 times [2021-03-26 13:11:57,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:57,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115238104] [2021-03-26 13:11:57,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:57,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,557 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:11:57,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:11:57,562 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:57,563 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:57,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:57,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115238104] [2021-03-26 13:11:57,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420961331] [2021-03-26 13:11:57,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:57,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:11:57,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:57,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:57,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:57,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:57,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:57,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:57,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:57,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:57,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:57,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:57,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:57,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:57,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:57,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:57,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:57,643 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:57,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:57,648 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:57,648 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:57,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:57,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:57,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:57,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:57,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:11:57,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:11:57,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:57,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:57,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:11:57,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:57,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:57,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:57,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:57,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:57,683 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:11:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:57,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:57,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:57,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:57,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:57,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:11:57,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:11:57,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770443687] [2021-03-26 13:11:57,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:11:57,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:57,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:11:57,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:11:57,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 31 [2021-03-26 13:11:57,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 52 transitions, 562 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:11:57,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:57,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 31 [2021-03-26 13:11:57,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:57,883 INFO L129 PetriNetUnfolder]: 63/151 cut-off events. [2021-03-26 13:11:57,883 INFO L130 PetriNetUnfolder]: For 786/789 co-relation queries the response was YES. [2021-03-26 13:11:57,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 999 conditions, 151 events. 63/151 cut-off events. For 786/789 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 616 event pairs, 1 based on Foata normal form. 9/160 useless extension candidates. Maximal degree in co-relation 969. Up to 71 conditions per place. [2021-03-26 13:11:57,885 INFO L132 encePairwiseOnDemand]: 23/31 looper letters, 38 selfloop transitions, 61 changer transitions 1/103 dead transitions. [2021-03-26 13:11:57,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 103 transitions, 1316 flow [2021-03-26 13:11:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 13:11:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 13:11:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 171 transitions. [2021-03-26 13:11:57,886 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32447817836812143 [2021-03-26 13:11:57,886 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 171 transitions. [2021-03-26 13:11:57,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 171 transitions. [2021-03-26 13:11:57,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:57,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 171 transitions. [2021-03-26 13:11:57,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 10.058823529411764) internal successors, (171), 17 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) [2021-03-26 13:11:57,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 31.0) internal successors, (558), 18 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,889 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 31.0) internal successors, (558), 18 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:57,889 INFO L185 Difference]: Start difference. First operand has 54 places, 52 transitions, 562 flow. Second operand 17 states and 171 transitions. [2021-03-26 13:11:57,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 103 transitions, 1316 flow [2021-03-26 13:11:57,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 103 transitions, 1239 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-03-26 13:11:57,895 INFO L241 Difference]: Finished difference. Result has 71 places, 83 transitions, 1057 flow [2021-03-26 13:11:57,895 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1057, PETRI_PLACES=71, PETRI_TRANSITIONS=83} [2021-03-26 13:11:57,895 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 54 predicate places. [2021-03-26 13:11:57,896 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:57,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 83 transitions, 1057 flow [2021-03-26 13:11:57,896 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 83 transitions, 1057 flow [2021-03-26 13:11:57,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 83 transitions, 1057 flow [2021-03-26 13:11:57,908 INFO L129 PetriNetUnfolder]: 63/151 cut-off events. [2021-03-26 13:11:57,909 INFO L130 PetriNetUnfolder]: For 907/907 co-relation queries the response was YES. [2021-03-26 13:11:57,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 986 conditions, 151 events. 63/151 cut-off events. For 907/907 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 621 event pairs, 5 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 954. Up to 71 conditions per place. [2021-03-26 13:11:57,910 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-26 13:11:57,968 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 13:11:57,968 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 13:11:57,969 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 13:11:57,969 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 78 transitions, 987 flow [2021-03-26 13:11:57,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:11:57,969 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:57,969 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:58,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:58,189 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:58,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:58,189 INFO L82 PathProgramCache]: Analyzing trace with hash -634079931, now seen corresponding path program 2 times [2021-03-26 13:11:58,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:58,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426113601] [2021-03-26 13:11:58,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:58,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:58,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:58,227 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:11:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:11:58,231 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:11:58,232 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:11:58,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:58,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426113601] [2021-03-26 13:11:58,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885142195] [2021-03-26 13:11:58,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:58,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 13:11:58,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 13:11:58,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:11:58,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:58,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:58,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:58,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:58,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:58,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:58,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:58,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:58,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:58,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:58,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:58,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:58,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:58,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:58,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:58,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:58,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:58,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:58,369 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:58,369 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:58,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:58,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:58,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:58,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:58,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:11:58,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:11:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:58,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:11:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:58,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:58,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:11:58,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:58,408 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:58,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:58,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:58,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:58,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:11:58,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:58,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:58,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:58,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:58,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:11:58,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:58,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:11:58,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:11:58,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856658266] [2021-03-26 13:11:58,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:11:58,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:58,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:11:58,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:11:58,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 33 [2021-03-26 13:11:58,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 78 transitions, 987 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:11:58,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:58,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 33 [2021-03-26 13:11:58,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:58,666 INFO L129 PetriNetUnfolder]: 57/133 cut-off events. [2021-03-26 13:11:58,667 INFO L130 PetriNetUnfolder]: For 824/827 co-relation queries the response was YES. [2021-03-26 13:11:58,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 133 events. 57/133 cut-off events. For 824/827 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 513 event pairs, 2 based on Foata normal form. 6/139 useless extension candidates. Maximal degree in co-relation 978. Up to 96 conditions per place. [2021-03-26 13:11:58,668 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 54 selfloop transitions, 22 changer transitions 11/90 dead transitions. [2021-03-26 13:11:58,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 90 transitions, 1315 flow [2021-03-26 13:11:58,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:11:58,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:11:58,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 139 transitions. [2021-03-26 13:11:58,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3008658008658009 [2021-03-26 13:11:58,670 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 139 transitions. [2021-03-26 13:11:58,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 139 transitions. [2021-03-26 13:11:58,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:58,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 139 transitions. [2021-03-26 13:11:58,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 14 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:58,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 33.0) internal successors, (495), 15 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:58,672 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 33.0) internal successors, (495), 15 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:58,672 INFO L185 Difference]: Start difference. First operand has 69 places, 78 transitions, 987 flow. Second operand 14 states and 139 transitions. [2021-03-26 13:11:58,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 90 transitions, 1315 flow [2021-03-26 13:11:58,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 90 transitions, 1202 flow, removed 50 selfloop flow, removed 6 redundant places. [2021-03-26 13:11:58,692 INFO L241 Difference]: Finished difference. Result has 78 places, 75 transitions, 899 flow [2021-03-26 13:11:58,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=899, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2021-03-26 13:11:58,693 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 61 predicate places. [2021-03-26 13:11:58,693 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:58,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 75 transitions, 899 flow [2021-03-26 13:11:58,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 75 transitions, 899 flow [2021-03-26 13:11:58,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 899 flow [2021-03-26 13:11:58,704 INFO L129 PetriNetUnfolder]: 53/122 cut-off events. [2021-03-26 13:11:58,704 INFO L130 PetriNetUnfolder]: For 640/640 co-relation queries the response was YES. [2021-03-26 13:11:58,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 122 events. 53/122 cut-off events. For 640/640 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 454 event pairs, 3 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 747. Up to 58 conditions per place. [2021-03-26 13:11:58,705 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-26 13:11:58,780 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 13:11:58,780 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 13:11:58,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-26 13:11:58,780 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 69 transitions, 829 flow [2021-03-26 13:11:58,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:11:58,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:58,781 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:58,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-26 13:11:58,996 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:58,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:58,996 INFO L82 PathProgramCache]: Analyzing trace with hash -468656063, now seen corresponding path program 1 times [2021-03-26 13:11:58,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:58,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439124990] [2021-03-26 13:11:58,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:59,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:59,022 INFO L142 QuantifierPusher]: treesize reduction 29, result has 42.0 percent of original size [2021-03-26 13:11:59,022 INFO L147 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size 16 [2021-03-26 13:11:59,039 INFO L142 QuantifierPusher]: treesize reduction 35, result has 49.3 percent of original size [2021-03-26 13:11:59,040 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-03-26 13:11:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:59,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439124990] [2021-03-26 13:11:59,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745708207] [2021-03-26 13:11:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:59,107 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:11:59,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:59,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:59,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:59,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:59,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:59,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:59,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:59,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:59,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:59,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:59,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,181 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:59,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:59,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:11:59,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:11:59,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:11:59,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:11:59,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:59,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:11:59,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:11:59,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:11:59,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:11:59,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:59,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:59,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 26 [2021-03-26 13:11:59,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:11:59,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:11:59,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:59,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:11:59,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:11:59,231 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:29 [2021-03-26 13:11:59,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:59,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:11:59,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:59,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:11:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:59,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:11:59,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:11:59,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998803640] [2021-03-26 13:11:59,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:11:59,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:59,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:11:59,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:11:59,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 34 [2021-03-26 13:11:59,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 69 transitions, 829 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:11:59,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:59,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 34 [2021-03-26 13:11:59,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:11:59,454 INFO L129 PetriNetUnfolder]: 78/183 cut-off events. [2021-03-26 13:11:59,454 INFO L130 PetriNetUnfolder]: For 1109/1112 co-relation queries the response was YES. [2021-03-26 13:11:59,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 183 events. 78/183 cut-off events. For 1109/1112 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 810 event pairs, 1 based on Foata normal form. 8/191 useless extension candidates. Maximal degree in co-relation 1313. Up to 87 conditions per place. [2021-03-26 13:11:59,457 INFO L132 encePairwiseOnDemand]: 25/34 looper letters, 45 selfloop transitions, 45 changer transitions 28/121 dead transitions. [2021-03-26 13:11:59,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 121 transitions, 1711 flow [2021-03-26 13:11:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:11:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:11:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 144 transitions. [2021-03-26 13:11:59,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3025210084033613 [2021-03-26 13:11:59,459 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 144 transitions. [2021-03-26 13:11:59,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 144 transitions. [2021-03-26 13:11:59,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:11:59,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 144 transitions. [2021-03-26 13:11:59,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 14 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:59,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:59,461 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:11:59,461 INFO L185 Difference]: Start difference. First operand has 71 places, 69 transitions, 829 flow. Second operand 14 states and 144 transitions. [2021-03-26 13:11:59,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 121 transitions, 1711 flow [2021-03-26 13:11:59,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 121 transitions, 1562 flow, removed 43 selfloop flow, removed 10 redundant places. [2021-03-26 13:11:59,472 INFO L241 Difference]: Finished difference. Result has 81 places, 78 transitions, 974 flow [2021-03-26 13:11:59,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=974, PETRI_PLACES=81, PETRI_TRANSITIONS=78} [2021-03-26 13:11:59,473 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 64 predicate places. [2021-03-26 13:11:59,473 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:11:59,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions, 974 flow [2021-03-26 13:11:59,474 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 78 transitions, 974 flow [2021-03-26 13:11:59,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 78 transitions, 974 flow [2021-03-26 13:11:59,487 INFO L129 PetriNetUnfolder]: 63/149 cut-off events. [2021-03-26 13:11:59,487 INFO L130 PetriNetUnfolder]: For 1039/1039 co-relation queries the response was YES. [2021-03-26 13:11:59,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 149 events. 63/149 cut-off events. For 1039/1039 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 602 event pairs, 6 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 967. Up to 75 conditions per place. [2021-03-26 13:11:59,490 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-26 13:11:59,508 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:11:59,508 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:11:59,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 13:11:59,511 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 76 transitions, 937 flow [2021-03-26 13:11:59,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:11:59,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:11:59,512 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:11:59,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 13:11:59,728 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:11:59,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:11:59,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1488765330, now seen corresponding path program 1 times [2021-03-26 13:11:59,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:11:59,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843823737] [2021-03-26 13:11:59,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:11:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:59,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:59,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:59,755 INFO L142 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-03-26 13:11:59,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:11:59,761 INFO L142 QuantifierPusher]: treesize reduction 23, result has 45.2 percent of original size [2021-03-26 13:11:59,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:11:59,769 INFO L142 QuantifierPusher]: treesize reduction 29, result has 50.8 percent of original size [2021-03-26 13:11:59,771 INFO L147 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size 19 [2021-03-26 13:11:59,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:59,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843823737] [2021-03-26 13:11:59,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521983080] [2021-03-26 13:11:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:11:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:11:59,825 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:11:59,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:11:59,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,847 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:11:59,847 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:11:59,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:11:59,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:59,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:59,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:59,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:59,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:11:59,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:11:59,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:11:59,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:59,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:11:59,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,872 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:11:59,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:11:59,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:59,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:59,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:59,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:59,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:11:59,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:11:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:11:59,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2021-03-26 13:11:59,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:11:59,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:11:59,893 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:59,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,900 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:24 [2021-03-26 13:11:59,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:59,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:59,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:11:59,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:11:59,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:11:59,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:11:59,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:11:59,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:11:59,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:11:59,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-03-26 13:11:59,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:11:59,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:11:59,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:59,930 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:11:59,931 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2021-03-26 13:11:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:11:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:11:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:11:59,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:11:59,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:11:59,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675659274] [2021-03-26 13:11:59,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:11:59,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:11:59,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:11:59,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:11:59,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 34 [2021-03-26 13:11:59,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 76 transitions, 937 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:11:59,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:11:59,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 34 [2021-03-26 13:11:59,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:00,088 INFO L129 PetriNetUnfolder]: 77/177 cut-off events. [2021-03-26 13:12:00,089 INFO L130 PetriNetUnfolder]: For 1151/1154 co-relation queries the response was YES. [2021-03-26 13:12:00,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 177 events. 77/177 cut-off events. For 1151/1154 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 735 event pairs, 4 based on Foata normal form. 11/188 useless extension candidates. Maximal degree in co-relation 1309. Up to 124 conditions per place. [2021-03-26 13:12:00,090 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 54 selfloop transitions, 50 changer transitions 2/109 dead transitions. [2021-03-26 13:12:00,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 109 transitions, 1587 flow [2021-03-26 13:12:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 13:12:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 13:12:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 151 transitions. [2021-03-26 13:12:00,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.296078431372549 [2021-03-26 13:12:00,092 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 151 transitions. [2021-03-26 13:12:00,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 151 transitions. [2021-03-26 13:12:00,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:00,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 151 transitions. [2021-03-26 13:12:00,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 10.066666666666666) internal successors, (151), 15 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:00,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:00,095 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:00,095 INFO L185 Difference]: Start difference. First operand has 75 places, 76 transitions, 937 flow. Second operand 15 states and 151 transitions. [2021-03-26 13:12:00,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 109 transitions, 1587 flow [2021-03-26 13:12:00,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 109 transitions, 1453 flow, removed 33 selfloop flow, removed 8 redundant places. [2021-03-26 13:12:00,105 INFO L241 Difference]: Finished difference. Result has 90 places, 101 transitions, 1353 flow [2021-03-26 13:12:00,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1353, PETRI_PLACES=90, PETRI_TRANSITIONS=101} [2021-03-26 13:12:00,106 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 73 predicate places. [2021-03-26 13:12:00,106 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:00,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 101 transitions, 1353 flow [2021-03-26 13:12:00,106 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 101 transitions, 1353 flow [2021-03-26 13:12:00,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 101 transitions, 1353 flow [2021-03-26 13:12:00,119 INFO L129 PetriNetUnfolder]: 76/176 cut-off events. [2021-03-26 13:12:00,119 INFO L130 PetriNetUnfolder]: For 1432/1432 co-relation queries the response was YES. [2021-03-26 13:12:00,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1288 conditions, 176 events. 76/176 cut-off events. For 1432/1432 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 738 event pairs, 5 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 1247. Up to 84 conditions per place. [2021-03-26 13:12:00,121 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-26 13:12:00,244 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-26 13:12:00,244 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 13:12:00,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-03-26 13:12:00,245 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 96 transitions, 1310 flow [2021-03-26 13:12:00,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:00,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:00,245 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:00,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-26 13:12:00,460 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:00,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:00,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1480268205, now seen corresponding path program 2 times [2021-03-26 13:12:00,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:00,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478611980] [2021-03-26 13:12:00,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:00,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:00,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:00,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:00,505 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:00,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:00,508 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:00,509 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:00,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:00,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478611980] [2021-03-26 13:12:00,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084979349] [2021-03-26 13:12:00,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:00,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 13:12:00,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 13:12:00,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:00,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:00,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:00,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:00,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:00,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:00,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:00,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:00,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:00,591 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:00,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:00,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:00,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:00,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:00,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:00,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:00,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:00,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:00,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:00,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:00,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:00,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:00,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:00,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:00,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:00,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:00,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:00,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:00,617 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:00,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:00,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:00,624 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:00,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:00,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:00,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:00,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:00,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:00,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:00,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:00,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:00,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526805167] [2021-03-26 13:12:00,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:00,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:00,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:00,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:00,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 40 [2021-03-26 13:12:00,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 96 transitions, 1310 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:00,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:00,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 40 [2021-03-26 13:12:00,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:00,893 INFO L129 PetriNetUnfolder]: 82/191 cut-off events. [2021-03-26 13:12:00,893 INFO L130 PetriNetUnfolder]: For 1670/1692 co-relation queries the response was YES. [2021-03-26 13:12:00,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1624 conditions, 191 events. 82/191 cut-off events. For 1670/1692 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 822 event pairs, 2 based on Foata normal form. 15/205 useless extension candidates. Maximal degree in co-relation 1581. Up to 97 conditions per place. [2021-03-26 13:12:00,895 INFO L132 encePairwiseOnDemand]: 27/40 looper letters, 49 selfloop transitions, 54 changer transitions 17/123 dead transitions. [2021-03-26 13:12:00,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 123 transitions, 1960 flow [2021-03-26 13:12:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 13:12:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 13:12:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 168 transitions. [2021-03-26 13:12:00,897 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24705882352941178 [2021-03-26 13:12:00,897 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 168 transitions. [2021-03-26 13:12:00,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 168 transitions. [2021-03-26 13:12:00,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:00,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 168 transitions. [2021-03-26 13:12:00,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 9.882352941176471) internal successors, (168), 17 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) [2021-03-26 13:12:00,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:00,899 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:00,899 INFO L185 Difference]: Start difference. First operand has 88 places, 96 transitions, 1310 flow. Second operand 17 states and 168 transitions. [2021-03-26 13:12:00,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 123 transitions, 1960 flow [2021-03-26 13:12:00,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 123 transitions, 1822 flow, removed 65 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:00,915 INFO L241 Difference]: Finished difference. Result has 102 places, 99 transitions, 1361 flow [2021-03-26 13:12:00,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=1208, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1361, PETRI_PLACES=102, PETRI_TRANSITIONS=99} [2021-03-26 13:12:00,916 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 85 predicate places. [2021-03-26 13:12:00,916 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:00,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 99 transitions, 1361 flow [2021-03-26 13:12:00,916 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 99 transitions, 1361 flow [2021-03-26 13:12:00,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 99 transitions, 1361 flow [2021-03-26 13:12:00,932 INFO L129 PetriNetUnfolder]: 74/170 cut-off events. [2021-03-26 13:12:00,932 INFO L130 PetriNetUnfolder]: For 1476/1489 co-relation queries the response was YES. [2021-03-26 13:12:00,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1264 conditions, 170 events. 74/170 cut-off events. For 1476/1489 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 672 event pairs, 5 based on Foata normal form. 1/171 useless extension candidates. Maximal degree in co-relation 1222. Up to 77 conditions per place. [2021-03-26 13:12:00,934 INFO L142 LiptonReduction]: Number of co-enabled transitions 204 [2021-03-26 13:12:00,938 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:00,938 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:00,938 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 13:12:00,939 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 99 transitions, 1361 flow [2021-03-26 13:12:00,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:00,939 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:00,939 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:12:01,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-26 13:12:01,156 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:01,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:01,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1667685070, now seen corresponding path program 1 times [2021-03-26 13:12:01,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:01,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603866983] [2021-03-26 13:12:01,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:01,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:01,184 INFO L142 QuantifierPusher]: treesize reduction 28, result has 40.4 percent of original size [2021-03-26 13:12:01,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:01,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:01,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603866983] [2021-03-26 13:12:01,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:01,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:12:01,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585734155] [2021-03-26 13:12:01,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:12:01,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:01,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:12:01,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:12:01,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 40 [2021-03-26 13:12:01,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 99 transitions, 1361 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:01,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:01,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 40 [2021-03-26 13:12:01,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:01,257 INFO L129 PetriNetUnfolder]: 75/172 cut-off events. [2021-03-26 13:12:01,257 INFO L130 PetriNetUnfolder]: For 1543/1552 co-relation queries the response was YES. [2021-03-26 13:12:01,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 172 events. 75/172 cut-off events. For 1543/1552 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 691 event pairs, 4 based on Foata normal form. 9/181 useless extension candidates. Maximal degree in co-relation 1406. Up to 152 conditions per place. [2021-03-26 13:12:01,260 INFO L132 encePairwiseOnDemand]: 30/40 looper letters, 77 selfloop transitions, 22 changer transitions 0/102 dead transitions. [2021-03-26 13:12:01,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 102 transitions, 1605 flow [2021-03-26 13:12:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:12:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:12:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2021-03-26 13:12:01,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.275 [2021-03-26 13:12:01,261 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 55 transitions. [2021-03-26 13:12:01,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 55 transitions. [2021-03-26 13:12:01,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:01,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 55 transitions. [2021-03-26 13:12:01,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:01,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:01,262 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:01,262 INFO L185 Difference]: Start difference. First operand has 96 places, 99 transitions, 1361 flow. Second operand 5 states and 55 transitions. [2021-03-26 13:12:01,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 102 transitions, 1605 flow [2021-03-26 13:12:01,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 102 transitions, 1449 flow, removed 48 selfloop flow, removed 8 redundant places. [2021-03-26 13:12:01,275 INFO L241 Difference]: Finished difference. Result has 93 places, 101 transitions, 1310 flow [2021-03-26 13:12:01,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=1212, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1310, PETRI_PLACES=93, PETRI_TRANSITIONS=101} [2021-03-26 13:12:01,275 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 76 predicate places. [2021-03-26 13:12:01,275 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:01,275 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 101 transitions, 1310 flow [2021-03-26 13:12:01,276 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 101 transitions, 1310 flow [2021-03-26 13:12:01,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 101 transitions, 1310 flow [2021-03-26 13:12:01,290 INFO L129 PetriNetUnfolder]: 74/171 cut-off events. [2021-03-26 13:12:01,290 INFO L130 PetriNetUnfolder]: For 1675/1676 co-relation queries the response was YES. [2021-03-26 13:12:01,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1226 conditions, 171 events. 74/171 cut-off events. For 1675/1676 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 689 event pairs, 5 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 1186. Up to 67 conditions per place. [2021-03-26 13:12:01,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-26 13:12:01,300 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:01,300 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:01,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 13:12:01,302 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 100 transitions, 1290 flow [2021-03-26 13:12:01,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:01,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:01,302 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:01,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 13:12:01,302 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:01,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:01,302 INFO L82 PathProgramCache]: Analyzing trace with hash -141648948, now seen corresponding path program 1 times [2021-03-26 13:12:01,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:01,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700704824] [2021-03-26 13:12:01,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:01,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:01,349 INFO L142 QuantifierPusher]: treesize reduction 28, result has 40.4 percent of original size [2021-03-26 13:12:01,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:01,360 INFO L142 QuantifierPusher]: treesize reduction 88, result has 38.5 percent of original size [2021-03-26 13:12:01,361 INFO L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-03-26 13:12:01,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:01,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700704824] [2021-03-26 13:12:01,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471774147] [2021-03-26 13:12:01,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:01,417 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:12:01,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:01,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:01,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:01,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:01,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:01,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:01,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:01,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:01,428 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-26 13:12:01,428 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-26 13:12:01,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:01,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:01,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:01,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2021-03-26 13:12:01,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:01,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:01,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:01,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:01,443 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:01,443 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:26 [2021-03-26 13:12:01,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:01,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:01,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:01,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:01,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:01,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:01,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:01,457 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size 56 [2021-03-26 13:12:01,457 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size [2021-03-26 13:12:01,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:01,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:12:01,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:01,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:12:01,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 28 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 64 [2021-03-26 13:12:01,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:01,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:01,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:01,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:12:01,501 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:01,501 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:61 [2021-03-26 13:12:01,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:12:01,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:12:01,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:12:01,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:12:01,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:01,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:12:01,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:01,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:01,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:12:01,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:01,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 74 [2021-03-26 13:12:01,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:01,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:01,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:01,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:12:01,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:01,563 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:53 [2021-03-26 13:12:01,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:12:01,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:01,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:12:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:01,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:01,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:12:01,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269434124] [2021-03-26 13:12:01,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:12:01,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:01,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:12:01,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:12:01,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 40 [2021-03-26 13:12:01,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 100 transitions, 1290 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:01,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:01,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 40 [2021-03-26 13:12:01,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:01,739 INFO L129 PetriNetUnfolder]: 75/175 cut-off events. [2021-03-26 13:12:01,740 INFO L130 PetriNetUnfolder]: For 1815/1849 co-relation queries the response was YES. [2021-03-26 13:12:01,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1430 conditions, 175 events. 75/175 cut-off events. For 1815/1849 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 717 event pairs, 4 based on Foata normal form. 16/191 useless extension candidates. Maximal degree in co-relation 1388. Up to 152 conditions per place. [2021-03-26 13:12:01,742 INFO L132 encePairwiseOnDemand]: 30/40 looper letters, 77 selfloop transitions, 24 changer transitions 1/105 dead transitions. [2021-03-26 13:12:01,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 105 transitions, 1572 flow [2021-03-26 13:12:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:12:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:12:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 81 transitions. [2021-03-26 13:12:01,743 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.253125 [2021-03-26 13:12:01,743 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 81 transitions. [2021-03-26 13:12:01,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 81 transitions. [2021-03-26 13:12:01,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:01,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 81 transitions. [2021-03-26 13:12:01,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:01,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:01,744 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:01,744 INFO L185 Difference]: Start difference. First operand has 93 places, 100 transitions, 1290 flow. Second operand 8 states and 81 transitions. [2021-03-26 13:12:01,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 105 transitions, 1572 flow [2021-03-26 13:12:01,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 105 transitions, 1563 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 13:12:01,758 INFO L241 Difference]: Finished difference. Result has 101 places, 103 transitions, 1411 flow [2021-03-26 13:12:01,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=1281, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1411, PETRI_PLACES=101, PETRI_TRANSITIONS=103} [2021-03-26 13:12:01,759 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 84 predicate places. [2021-03-26 13:12:01,759 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:01,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 103 transitions, 1411 flow [2021-03-26 13:12:01,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 103 transitions, 1411 flow [2021-03-26 13:12:01,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 103 transitions, 1411 flow [2021-03-26 13:12:01,773 INFO L129 PetriNetUnfolder]: 74/173 cut-off events. [2021-03-26 13:12:01,774 INFO L130 PetriNetUnfolder]: For 2145/2146 co-relation queries the response was YES. [2021-03-26 13:12:01,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1330 conditions, 173 events. 74/173 cut-off events. For 2145/2146 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 720 event pairs, 6 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 1286. Up to 69 conditions per place. [2021-03-26 13:12:01,776 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 13:12:01,880 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:12:01,880 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:12:01,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-03-26 13:12:01,882 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 100 transitions, 1359 flow [2021-03-26 13:12:01,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:01,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:01,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:02,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:02,099 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:02,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:02,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1203663112, now seen corresponding path program 1 times [2021-03-26 13:12:02,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:02,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158600145] [2021-03-26 13:12:02,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:02,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:02,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:02,135 INFO L142 QuantifierPusher]: treesize reduction 28, result has 15.2 percent of original size [2021-03-26 13:12:02,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:02,141 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-03-26 13:12:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,149 INFO L142 QuantifierPusher]: treesize reduction 33, result has 44.1 percent of original size [2021-03-26 13:12:02,150 INFO L147 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size 19 [2021-03-26 13:12:02,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:02,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158600145] [2021-03-26 13:12:02,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986697832] [2021-03-26 13:12:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:02,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:12:02,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:02,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:02,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:02,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:02,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:02,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:02,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:02,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:02,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:02,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:02,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:02,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:02,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:02,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:02,305 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:02,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:02,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:02,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:02,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:02,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:02,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:02,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:02,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:02,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:02,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:02,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:02,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:02,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:02,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:02,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:02,356 INFO L354 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2021-03-26 13:12:02,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2021-03-26 13:12:02,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:02,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:02,358 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:02,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:02,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:02,366 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:29 [2021-03-26 13:12:02,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:02,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:02,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:02,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:12:02,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:02,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:12:02,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:02,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:02,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:02,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:02,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:12:02,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:02,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:02,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:02,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:02,406 INFO L354 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2021-03-26 13:12:02,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-03-26 13:12:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:02,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:02,408 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:02,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:02,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:02,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:02,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:02,422 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:02,422 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:34 [2021-03-26 13:12:02,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:02,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:02,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:02,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:02,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:02,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:02,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:02,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:02,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:02,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:02,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423043379] [2021-03-26 13:12:02,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:02,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:02,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:02,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:02,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2021-03-26 13:12:02,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 100 transitions, 1359 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:02,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:02,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2021-03-26 13:12:02,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:02,626 INFO L129 PetriNetUnfolder]: 84/196 cut-off events. [2021-03-26 13:12:02,626 INFO L130 PetriNetUnfolder]: For 2508/2518 co-relation queries the response was YES. [2021-03-26 13:12:02,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1684 conditions, 196 events. 84/196 cut-off events. For 2508/2518 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 825 event pairs, 6 based on Foata normal form. 5/201 useless extension candidates. Maximal degree in co-relation 1638. Up to 144 conditions per place. [2021-03-26 13:12:02,628 INFO L132 encePairwiseOnDemand]: 31/42 looper letters, 78 selfloop transitions, 41 changer transitions 0/122 dead transitions. [2021-03-26 13:12:02,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 122 transitions, 1899 flow [2021-03-26 13:12:02,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:12:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:12:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 136 transitions. [2021-03-26 13:12:02,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23129251700680273 [2021-03-26 13:12:02,629 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 136 transitions. [2021-03-26 13:12:02,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 136 transitions. [2021-03-26 13:12:02,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:02,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 136 transitions. [2021-03-26 13:12:02,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 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) [2021-03-26 13:12:02,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 42.0) internal successors, (630), 15 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:02,632 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 42.0) internal successors, (630), 15 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:02,632 INFO L185 Difference]: Start difference. First operand has 98 places, 100 transitions, 1359 flow. Second operand 14 states and 136 transitions. [2021-03-26 13:12:02,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 122 transitions, 1899 flow [2021-03-26 13:12:02,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 122 transitions, 1801 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:02,643 INFO L241 Difference]: Finished difference. Result has 107 places, 111 transitions, 1541 flow [2021-03-26 13:12:02,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1279, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1541, PETRI_PLACES=107, PETRI_TRANSITIONS=111} [2021-03-26 13:12:02,643 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 90 predicate places. [2021-03-26 13:12:02,643 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:02,643 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 111 transitions, 1541 flow [2021-03-26 13:12:02,643 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 111 transitions, 1541 flow [2021-03-26 13:12:02,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 111 transitions, 1541 flow [2021-03-26 13:12:02,656 INFO L129 PetriNetUnfolder]: 83/195 cut-off events. [2021-03-26 13:12:02,656 INFO L130 PetriNetUnfolder]: For 2148/2149 co-relation queries the response was YES. [2021-03-26 13:12:02,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1482 conditions, 195 events. 83/195 cut-off events. For 2148/2149 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 837 event pairs, 8 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 1438. Up to 79 conditions per place. [2021-03-26 13:12:02,658 INFO L142 LiptonReduction]: Number of co-enabled transitions 228 [2021-03-26 13:12:02,708 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:12:02,708 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:12:02,708 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 13:12:02,708 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 108 transitions, 1494 flow [2021-03-26 13:12:02,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:02,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:02,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:02,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-03-26 13:12:02,924 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:02,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:02,924 INFO L82 PathProgramCache]: Analyzing trace with hash -158627214, now seen corresponding path program 1 times [2021-03-26 13:12:02,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:02,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032778401] [2021-03-26 13:12:02,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:02,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:02,955 INFO L142 QuantifierPusher]: treesize reduction 152, result has 24.4 percent of original size [2021-03-26 13:12:02,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:12:02,971 INFO L142 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size [2021-03-26 13:12:02,971 INFO L147 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size 19 [2021-03-26 13:12:02,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:02,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:02,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032778401] [2021-03-26 13:12:02,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149813844] [2021-03-26 13:12:02,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:03,003 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:03,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:03,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:03,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:12:03,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:03,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:12:03,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:03,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:12:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 18 [2021-03-26 13:12:03,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:03,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:03,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:03,030 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,030 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:24 [2021-03-26 13:12:03,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:03,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:03,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:03,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:12:03,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:03,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:12:03,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:03,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:12:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 45 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 64 [2021-03-26 13:12:03,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:03,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:03,060 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:12:03,076 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,076 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:61 [2021-03-26 13:12:03,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:12:03,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:12:03,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:03,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:12:03,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:03,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:12:03,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:03,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:03,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:12:03,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:12:03,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:03,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:12:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:03,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 90 [2021-03-26 13:12:03,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:03,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:03,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:03,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:03,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:03,154 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:66 [2021-03-26 13:12:03,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:03,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:03,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:03,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:03,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:03,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:12:03,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655020854] [2021-03-26 13:12:03,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:12:03,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:03,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:12:03,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:12:03,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 44 [2021-03-26 13:12:03,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 108 transitions, 1494 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:03,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:03,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 44 [2021-03-26 13:12:03,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:03,350 INFO L129 PetriNetUnfolder]: 84/194 cut-off events. [2021-03-26 13:12:03,350 INFO L130 PetriNetUnfolder]: For 2247/2274 co-relation queries the response was YES. [2021-03-26 13:12:03,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 194 events. 84/194 cut-off events. For 2247/2274 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 814 event pairs, 6 based on Foata normal form. 12/206 useless extension candidates. Maximal degree in co-relation 1625. Up to 170 conditions per place. [2021-03-26 13:12:03,353 INFO L132 encePairwiseOnDemand]: 35/44 looper letters, 83 selfloop transitions, 20 changer transitions 5/111 dead transitions. [2021-03-26 13:12:03,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 111 transitions, 1757 flow [2021-03-26 13:12:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:12:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:12:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 71 transitions. [2021-03-26 13:12:03,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2305194805194805 [2021-03-26 13:12:03,355 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 71 transitions. [2021-03-26 13:12:03,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 71 transitions. [2021-03-26 13:12:03,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:03,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 71 transitions. [2021-03-26 13:12:03,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:03,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 44.0) internal successors, (352), 8 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:03,363 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 44.0) internal successors, (352), 8 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:03,363 INFO L185 Difference]: Start difference. First operand has 105 places, 108 transitions, 1494 flow. Second operand 7 states and 71 transitions. [2021-03-26 13:12:03,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 111 transitions, 1757 flow [2021-03-26 13:12:03,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 111 transitions, 1617 flow, removed 33 selfloop flow, removed 11 redundant places. [2021-03-26 13:12:03,377 INFO L241 Difference]: Finished difference. Result has 101 places, 105 transitions, 1359 flow [2021-03-26 13:12:03,377 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1360, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1359, PETRI_PLACES=101, PETRI_TRANSITIONS=105} [2021-03-26 13:12:03,377 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 84 predicate places. [2021-03-26 13:12:03,378 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:03,378 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 105 transitions, 1359 flow [2021-03-26 13:12:03,378 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 105 transitions, 1359 flow [2021-03-26 13:12:03,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 105 transitions, 1359 flow [2021-03-26 13:12:03,394 INFO L129 PetriNetUnfolder]: 83/189 cut-off events. [2021-03-26 13:12:03,394 INFO L130 PetriNetUnfolder]: For 1982/1982 co-relation queries the response was YES. [2021-03-26 13:12:03,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 189 events. 83/189 cut-off events. For 1982/1982 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 785 event pairs, 6 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 1322. Up to 79 conditions per place. [2021-03-26 13:12:03,400 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 13:12:03,406 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:03,406 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:03,406 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-26 13:12:03,407 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 105 transitions, 1359 flow [2021-03-26 13:12:03,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:03,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:03,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:03,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:03,624 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:03,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:03,624 INFO L82 PathProgramCache]: Analyzing trace with hash -177374694, now seen corresponding path program 1 times [2021-03-26 13:12:03,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:03,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017119453] [2021-03-26 13:12:03,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:03,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:03,651 INFO L142 QuantifierPusher]: treesize reduction 76, result has 23.2 percent of original size [2021-03-26 13:12:03,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:03,661 INFO L142 QuantifierPusher]: treesize reduction 79, result has 39.2 percent of original size [2021-03-26 13:12:03,662 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-03-26 13:12:03,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:03,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017119453] [2021-03-26 13:12:03,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118584986] [2021-03-26 13:12:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:03,703 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:03,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:03,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,727 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:03,728 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:03,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:03,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:03,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:03,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:03,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:03,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:03,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:03,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:03,751 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:03,756 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,756 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:03,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:03,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:03,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:03,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:03,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:03,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:03,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:03,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:03,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:03,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:03,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:03,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:03,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:03,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 29 [2021-03-26 13:12:03,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:03,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:03,789 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:03,789 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:29 [2021-03-26 13:12:03,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:03,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:03,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:03,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:03,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:03,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998116177] [2021-03-26 13:12:03,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:03,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:03,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:03,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:03,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 44 [2021-03-26 13:12:03,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 105 transitions, 1359 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:03,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:03,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 44 [2021-03-26 13:12:03,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:03,972 INFO L129 PetriNetUnfolder]: 94/213 cut-off events. [2021-03-26 13:12:03,972 INFO L130 PetriNetUnfolder]: For 2259/2268 co-relation queries the response was YES. [2021-03-26 13:12:03,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1757 conditions, 213 events. 94/213 cut-off events. For 2259/2268 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 929 event pairs, 4 based on Foata normal form. 12/225 useless extension candidates. Maximal degree in co-relation 1712. Up to 176 conditions per place. [2021-03-26 13:12:03,975 INFO L132 encePairwiseOnDemand]: 35/44 looper letters, 78 selfloop transitions, 49 changer transitions 1/131 dead transitions. [2021-03-26 13:12:03,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 131 transitions, 1989 flow [2021-03-26 13:12:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:12:03,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:12:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 122 transitions. [2021-03-26 13:12:03,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23106060606060605 [2021-03-26 13:12:03,976 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 122 transitions. [2021-03-26 13:12:03,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 122 transitions. [2021-03-26 13:12:03,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:03,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 122 transitions. [2021-03-26 13:12:03,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 12 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) [2021-03-26 13:12:03,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 44.0) internal successors, (572), 13 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:03,978 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 44.0) internal successors, (572), 13 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:03,978 INFO L185 Difference]: Start difference. First operand has 97 places, 105 transitions, 1359 flow. Second operand 12 states and 122 transitions. [2021-03-26 13:12:03,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 131 transitions, 1989 flow [2021-03-26 13:12:03,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 131 transitions, 1847 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:03,992 INFO L241 Difference]: Finished difference. Result has 106 places, 128 transitions, 1729 flow [2021-03-26 13:12:03,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1259, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1729, PETRI_PLACES=106, PETRI_TRANSITIONS=128} [2021-03-26 13:12:03,992 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 89 predicate places. [2021-03-26 13:12:03,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:03,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 128 transitions, 1729 flow [2021-03-26 13:12:03,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 128 transitions, 1729 flow [2021-03-26 13:12:03,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 128 transitions, 1729 flow [2021-03-26 13:12:04,012 INFO L129 PetriNetUnfolder]: 94/212 cut-off events. [2021-03-26 13:12:04,012 INFO L130 PetriNetUnfolder]: For 2107/2107 co-relation queries the response was YES. [2021-03-26 13:12:04,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 212 events. 94/212 cut-off events. For 2107/2107 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 922 event pairs, 6 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 1533. Up to 87 conditions per place. [2021-03-26 13:12:04,015 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-26 13:12:04,207 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-26 13:12:04,207 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 13:12:04,207 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-26 13:12:04,209 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 124 transitions, 1692 flow [2021-03-26 13:12:04,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:04,209 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:04,209 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:04,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-26 13:12:04,431 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:04,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:04,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1360476246, now seen corresponding path program 1 times [2021-03-26 13:12:04,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:04,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566460802] [2021-03-26 13:12:04,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:04,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:04,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:04,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:04,464 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:04,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:04,468 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:04,469 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:04,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566460802] [2021-03-26 13:12:04,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716722631] [2021-03-26 13:12:04,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:04,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:04,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:04,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:04,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:04,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:04,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:04,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:04,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:04,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:04,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:04,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:04,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:04,602 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:04,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:04,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:04,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:04,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:04,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:04,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:04,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:04,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:04,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:04,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:04,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:04,644 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:04,644 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:04,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:04,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:04,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:04,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:04,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:04,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398838946] [2021-03-26 13:12:04,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:04,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:04,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:04,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:04,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 51 [2021-03-26 13:12:04,657 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 124 transitions, 1692 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:04,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:04,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 51 [2021-03-26 13:12:04,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:05,046 INFO L129 PetriNetUnfolder]: 126/295 cut-off events. [2021-03-26 13:12:05,046 INFO L130 PetriNetUnfolder]: For 3684/3743 co-relation queries the response was YES. [2021-03-26 13:12:05,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2566 conditions, 295 events. 126/295 cut-off events. For 3684/3743 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1453 event pairs, 3 based on Foata normal form. 29/322 useless extension candidates. Maximal degree in co-relation 2519. Up to 124 conditions per place. [2021-03-26 13:12:05,049 INFO L132 encePairwiseOnDemand]: 39/51 looper letters, 79 selfloop transitions, 105 changer transitions 1/188 dead transitions. [2021-03-26 13:12:05,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 188 transitions, 3075 flow [2021-03-26 13:12:05,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 13:12:05,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 13:12:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 213 transitions. [2021-03-26 13:12:05,051 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19887955182072828 [2021-03-26 13:12:05,051 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 213 transitions. [2021-03-26 13:12:05,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 213 transitions. [2021-03-26 13:12:05,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:05,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 213 transitions. [2021-03-26 13:12:05,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 10.142857142857142) internal successors, (213), 21 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:05,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 51.0) internal successors, (1122), 22 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:05,052 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 51.0) internal successors, (1122), 22 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:05,052 INFO L185 Difference]: Start difference. First operand has 105 places, 124 transitions, 1692 flow. Second operand 21 states and 213 transitions. [2021-03-26 13:12:05,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 188 transitions, 3075 flow [2021-03-26 13:12:05,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 188 transitions, 2983 flow, removed 42 selfloop flow, removed 3 redundant places. [2021-03-26 13:12:05,091 INFO L241 Difference]: Finished difference. Result has 126 places, 162 transitions, 2551 flow [2021-03-26 13:12:05,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=1602, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2551, PETRI_PLACES=126, PETRI_TRANSITIONS=162} [2021-03-26 13:12:05,091 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 109 predicate places. [2021-03-26 13:12:05,091 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:05,091 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 162 transitions, 2551 flow [2021-03-26 13:12:05,091 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 162 transitions, 2551 flow [2021-03-26 13:12:05,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 162 transitions, 2551 flow [2021-03-26 13:12:05,127 INFO L129 PetriNetUnfolder]: 126/294 cut-off events. [2021-03-26 13:12:05,127 INFO L130 PetriNetUnfolder]: For 4564/4574 co-relation queries the response was YES. [2021-03-26 13:12:05,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2561 conditions, 294 events. 126/294 cut-off events. For 4564/4574 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1453 event pairs, 10 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 2512. Up to 123 conditions per place. [2021-03-26 13:12:05,131 INFO L142 LiptonReduction]: Number of co-enabled transitions 336 [2021-03-26 13:12:05,227 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 13:12:05,227 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 13:12:05,227 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-03-26 13:12:05,228 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 159 transitions, 2513 flow [2021-03-26 13:12:05,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:05,228 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:05,229 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:12:05,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:05,453 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:05,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:05,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1666809258, now seen corresponding path program 1 times [2021-03-26 13:12:05,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:05,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581615827] [2021-03-26 13:12:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:05,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:05,488 INFO L142 QuantifierPusher]: treesize reduction 77, result has 45.0 percent of original size [2021-03-26 13:12:05,488 INFO L147 QuantifierPusher]: treesize reduction 17, result has 73.0 percent of original size 46 [2021-03-26 13:12:05,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:05,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581615827] [2021-03-26 13:12:05,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:05,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:12:05,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838318190] [2021-03-26 13:12:05,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:12:05,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:05,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:12:05,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:12:05,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-26 13:12:05,522 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 159 transitions, 2513 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:05,522 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:05,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-26 13:12:05,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:05,663 INFO L129 PetriNetUnfolder]: 125/292 cut-off events. [2021-03-26 13:12:05,663 INFO L130 PetriNetUnfolder]: For 4481/4546 co-relation queries the response was YES. [2021-03-26 13:12:05,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2854 conditions, 292 events. 125/292 cut-off events. For 4481/4546 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1450 event pairs, 8 based on Foata normal form. 21/312 useless extension candidates. Maximal degree in co-relation 2803. Up to 256 conditions per place. [2021-03-26 13:12:05,667 INFO L132 encePairwiseOnDemand]: 44/54 looper letters, 126 selfloop transitions, 29 changer transitions 4/162 dead transitions. [2021-03-26 13:12:05,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 162 transitions, 2882 flow [2021-03-26 13:12:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:12:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:12:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2021-03-26 13:12:05,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2222222222222222 [2021-03-26 13:12:05,688 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 60 transitions. [2021-03-26 13:12:05,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 60 transitions. [2021-03-26 13:12:05,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:05,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 60 transitions. [2021-03-26 13:12:05,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 12.0) internal successors, (60), 5 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) [2021-03-26 13:12:05,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 54.0) internal successors, (324), 6 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:05,689 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 54.0) internal successors, (324), 6 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:05,689 INFO L185 Difference]: Start difference. First operand has 124 places, 159 transitions, 2513 flow. Second operand 5 states and 60 transitions. [2021-03-26 13:12:05,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 162 transitions, 2882 flow [2021-03-26 13:12:05,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 162 transitions, 2712 flow, removed 61 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:05,713 INFO L241 Difference]: Finished difference. Result has 122 places, 157 transitions, 2372 flow [2021-03-26 13:12:05,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2346, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2372, PETRI_PLACES=122, PETRI_TRANSITIONS=157} [2021-03-26 13:12:05,713 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 105 predicate places. [2021-03-26 13:12:05,713 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:05,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 157 transitions, 2372 flow [2021-03-26 13:12:05,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 157 transitions, 2372 flow [2021-03-26 13:12:05,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 157 transitions, 2372 flow [2021-03-26 13:12:05,749 INFO L129 PetriNetUnfolder]: 124/288 cut-off events. [2021-03-26 13:12:05,749 INFO L130 PetriNetUnfolder]: For 4044/4055 co-relation queries the response was YES. [2021-03-26 13:12:05,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 288 events. 124/288 cut-off events. For 4044/4055 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1414 event pairs, 10 based on Foata normal form. 1/288 useless extension candidates. Maximal degree in co-relation 2390. Up to 121 conditions per place. [2021-03-26 13:12:05,755 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-26 13:12:05,764 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:05,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:05,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-26 13:12:05,766 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 157 transitions, 2372 flow [2021-03-26 13:12:05,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:05,766 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:05,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:05,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 13:12:05,766 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:05,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:05,767 INFO L82 PathProgramCache]: Analyzing trace with hash 190320609, now seen corresponding path program 1 times [2021-03-26 13:12:05,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:05,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698870769] [2021-03-26 13:12:05,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:05,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:05,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:05,794 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:05,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:05,798 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:05,799 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:05,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:05,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698870769] [2021-03-26 13:12:05,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753684898] [2021-03-26 13:12:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:05,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:12:05,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:05,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:05,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:05,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:05,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:05,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:05,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:05,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:05,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:05,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:05,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:05,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:05,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:05,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:05,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:05,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:05,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:05,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:05,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:05,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:05,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:05,920 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:05,920 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:05,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:05,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:05,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:05,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:05,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:05,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:05,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:05,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:05,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:05,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:05,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:05,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:05,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:05,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:05,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:05,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:05,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:05,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:05,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:05,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:05,949 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:05,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:05,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:05,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:05,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:05,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:05,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:05,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:05,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:05,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427129492] [2021-03-26 13:12:05,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:05,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:05,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:05,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:05,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-26 13:12:05,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 157 transitions, 2372 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:05,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:05,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-26 13:12:05,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:06,132 INFO L129 PetriNetUnfolder]: 151/352 cut-off events. [2021-03-26 13:12:06,132 INFO L130 PetriNetUnfolder]: For 5152/5219 co-relation queries the response was YES. [2021-03-26 13:12:06,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3298 conditions, 352 events. 151/352 cut-off events. For 5152/5219 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1853 event pairs, 7 based on Foata normal form. 12/363 useless extension candidates. Maximal degree in co-relation 3247. Up to 241 conditions per place. [2021-03-26 13:12:06,136 INFO L132 encePairwiseOnDemand]: 41/54 looper letters, 118 selfloop transitions, 72 changer transitions 8/201 dead transitions. [2021-03-26 13:12:06,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 201 transitions, 3471 flow [2021-03-26 13:12:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:12:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:12:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2021-03-26 13:12:06,137 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19444444444444445 [2021-03-26 13:12:06,137 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 126 transitions. [2021-03-26 13:12:06,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 126 transitions. [2021-03-26 13:12:06,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:06,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 126 transitions. [2021-03-26 13:12:06,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 10.5) internal successors, (126), 12 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:06,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 54.0) internal successors, (702), 13 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:06,138 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 54.0) internal successors, (702), 13 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:06,138 INFO L185 Difference]: Start difference. First operand has 120 places, 157 transitions, 2372 flow. Second operand 12 states and 126 transitions. [2021-03-26 13:12:06,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 201 transitions, 3471 flow [2021-03-26 13:12:06,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 201 transitions, 3391 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:06,157 INFO L241 Difference]: Finished difference. Result has 131 places, 181 transitions, 2871 flow [2021-03-26 13:12:06,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2312, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2871, PETRI_PLACES=131, PETRI_TRANSITIONS=181} [2021-03-26 13:12:06,158 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 114 predicate places. [2021-03-26 13:12:06,158 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:06,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 181 transitions, 2871 flow [2021-03-26 13:12:06,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 181 transitions, 2871 flow [2021-03-26 13:12:06,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 181 transitions, 2871 flow [2021-03-26 13:12:06,184 INFO L129 PetriNetUnfolder]: 149/344 cut-off events. [2021-03-26 13:12:06,185 INFO L130 PetriNetUnfolder]: For 5182/5211 co-relation queries the response was YES. [2021-03-26 13:12:06,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3023 conditions, 344 events. 149/344 cut-off events. For 5182/5211 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1804 event pairs, 13 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 2971. Up to 146 conditions per place. [2021-03-26 13:12:06,189 INFO L142 LiptonReduction]: Number of co-enabled transitions 372 [2021-03-26 13:12:06,195 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:06,195 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:06,195 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 13:12:06,195 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 181 transitions, 2871 flow [2021-03-26 13:12:06,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:06,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:06,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:06,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-26 13:12:06,411 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:06,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:06,411 INFO L82 PathProgramCache]: Analyzing trace with hash 295759644, now seen corresponding path program 1 times [2021-03-26 13:12:06,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:06,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193516195] [2021-03-26 13:12:06,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:06,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:06,441 INFO L142 QuantifierPusher]: treesize reduction 69, result has 33.7 percent of original size [2021-03-26 13:12:06,442 INFO L147 QuantifierPusher]: treesize reduction 7, result has 80.0 percent of original size 28 [2021-03-26 13:12:06,459 INFO L142 QuantifierPusher]: treesize reduction 77, result has 43.0 percent of original size [2021-03-26 13:12:06,460 INFO L147 QuantifierPusher]: treesize reduction 7, result has 87.9 percent of original size 51 [2021-03-26 13:12:06,478 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:06,479 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:06,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:06,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193516195] [2021-03-26 13:12:06,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896547512] [2021-03-26 13:12:06,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 13:12:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:06,530 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:06,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:06,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,542 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:06,542 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:06,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:06,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:06,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:06,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:06,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:06,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:06,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:06,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:06,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:06,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:06,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:06,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:06,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:06,562 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:06,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:06,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:06,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:06,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:06,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:06,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:06,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:06,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:06,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:06,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:06,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:06,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:06,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 29 [2021-03-26 13:12:06,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:06,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:06,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:06,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:06,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:06,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:32 [2021-03-26 13:12:06,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:06,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:06,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:06,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:06,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:06,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:06,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:06,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:06,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:06,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:06,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:06,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:06,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:06,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:06,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:06,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:06,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-03-26 13:12:06,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:06,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:06,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:06,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:06,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:06,630 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:06,630 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:37 [2021-03-26 13:12:06,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:06,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:06,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:06,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:06,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:06,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:06,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:06,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:06,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368998813] [2021-03-26 13:12:06,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:06,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:06,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:06,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:06,651 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-26 13:12:06,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 181 transitions, 2871 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:06,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:06,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-26 13:12:06,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:06,849 INFO L129 PetriNetUnfolder]: 154/358 cut-off events. [2021-03-26 13:12:06,850 INFO L130 PetriNetUnfolder]: For 5456/5526 co-relation queries the response was YES. [2021-03-26 13:12:06,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3523 conditions, 358 events. 154/358 cut-off events. For 5456/5526 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1909 event pairs, 9 based on Foata normal form. 22/380 useless extension candidates. Maximal degree in co-relation 3469. Up to 271 conditions per place. [2021-03-26 13:12:06,854 INFO L132 encePairwiseOnDemand]: 43/54 looper letters, 134 selfloop transitions, 53 changer transitions 17/207 dead transitions. [2021-03-26 13:12:06,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 207 transitions, 3746 flow [2021-03-26 13:12:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 13:12:06,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 13:12:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 105 transitions. [2021-03-26 13:12:06,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19444444444444445 [2021-03-26 13:12:06,855 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 105 transitions. [2021-03-26 13:12:06,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 105 transitions. [2021-03-26 13:12:06,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:06,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 105 transitions. [2021-03-26 13:12:06,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:06,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:06,856 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:06,856 INFO L185 Difference]: Start difference. First operand has 128 places, 181 transitions, 2871 flow. Second operand 10 states and 105 transitions. [2021-03-26 13:12:06,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 207 transitions, 3746 flow [2021-03-26 13:12:06,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 207 transitions, 3610 flow, removed 60 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:06,877 INFO L241 Difference]: Finished difference. Result has 137 places, 183 transitions, 2924 flow [2021-03-26 13:12:06,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2753, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2924, PETRI_PLACES=137, PETRI_TRANSITIONS=183} [2021-03-26 13:12:06,877 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 120 predicate places. [2021-03-26 13:12:06,877 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:06,878 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 183 transitions, 2924 flow [2021-03-26 13:12:06,878 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 183 transitions, 2924 flow [2021-03-26 13:12:06,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 183 transitions, 2924 flow [2021-03-26 13:12:06,903 INFO L129 PetriNetUnfolder]: 148/336 cut-off events. [2021-03-26 13:12:06,903 INFO L130 PetriNetUnfolder]: For 5214/5239 co-relation queries the response was YES. [2021-03-26 13:12:06,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3018 conditions, 336 events. 148/336 cut-off events. For 5214/5239 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1706 event pairs, 12 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 2963. Up to 143 conditions per place. [2021-03-26 13:12:06,907 INFO L142 LiptonReduction]: Number of co-enabled transitions 374 [2021-03-26 13:12:06,913 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:06,913 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:06,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 13:12:06,914 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 183 transitions, 2924 flow [2021-03-26 13:12:06,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:06,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:06,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:07,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-26 13:12:07,131 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:07,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:07,131 INFO L82 PathProgramCache]: Analyzing trace with hash 309320873, now seen corresponding path program 1 times [2021-03-26 13:12:07,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:07,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772924155] [2021-03-26 13:12:07,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:07,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:07,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:07,160 INFO L142 QuantifierPusher]: treesize reduction 71, result has 28.3 percent of original size [2021-03-26 13:12:07,161 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-26 13:12:07,191 INFO L142 QuantifierPusher]: treesize reduction 66, result has 49.2 percent of original size [2021-03-26 13:12:07,191 INFO L147 QuantifierPusher]: treesize reduction 18, result has 71.9 percent of original size 46 [2021-03-26 13:12:07,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:07,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772924155] [2021-03-26 13:12:07,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769204377] [2021-03-26 13:12:07,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:07,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:12:07,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:07,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:07,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:07,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:07,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:07,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:07,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:07,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:07,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:07,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:07,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:07,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:07,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,279 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:07,279 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:07,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:07,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:07,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:07,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:07,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:07,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:12:07,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:07,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:07,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:07,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2021-03-26 13:12:07,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:07,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:07,312 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:07,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:07,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:07,322 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:38 [2021-03-26 13:12:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:07,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:07,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:07,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:07,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:12:07,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:12:07,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617752662] [2021-03-26 13:12:07,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:12:07,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:07,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:12:07,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:07,337 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-26 13:12:07,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 183 transitions, 2924 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:07,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:07,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-26 13:12:07,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:07,427 INFO L129 PetriNetUnfolder]: 149/338 cut-off events. [2021-03-26 13:12:07,427 INFO L130 PetriNetUnfolder]: For 5377/5417 co-relation queries the response was YES. [2021-03-26 13:12:07,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3374 conditions, 338 events. 149/338 cut-off events. For 5377/5417 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1697 event pairs, 11 based on Foata normal form. 7/344 useless extension candidates. Maximal degree in co-relation 3317. Up to 327 conditions per place. [2021-03-26 13:12:07,431 INFO L132 encePairwiseOnDemand]: 43/54 looper letters, 167 selfloop transitions, 16 changer transitions 0/186 dead transitions. [2021-03-26 13:12:07,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 186 transitions, 3354 flow [2021-03-26 13:12:07,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:12:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:12:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 75 transitions. [2021-03-26 13:12:07,432 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1984126984126984 [2021-03-26 13:12:07,432 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 75 transitions. [2021-03-26 13:12:07,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 75 transitions. [2021-03-26 13:12:07,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:07,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 75 transitions. [2021-03-26 13:12:07,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:07,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 54.0) internal successors, (432), 8 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) [2021-03-26 13:12:07,433 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 54.0) internal successors, (432), 8 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) [2021-03-26 13:12:07,433 INFO L185 Difference]: Start difference. First operand has 132 places, 183 transitions, 2924 flow. Second operand 7 states and 75 transitions. [2021-03-26 13:12:07,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 186 transitions, 3354 flow [2021-03-26 13:12:07,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 186 transitions, 3240 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-03-26 13:12:07,453 INFO L241 Difference]: Finished difference. Result has 133 places, 185 transitions, 2893 flow [2021-03-26 13:12:07,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2810, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2893, PETRI_PLACES=133, PETRI_TRANSITIONS=185} [2021-03-26 13:12:07,453 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 116 predicate places. [2021-03-26 13:12:07,453 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:07,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 185 transitions, 2893 flow [2021-03-26 13:12:07,453 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 185 transitions, 2893 flow [2021-03-26 13:12:07,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 185 transitions, 2893 flow [2021-03-26 13:12:07,479 INFO L129 PetriNetUnfolder]: 149/338 cut-off events. [2021-03-26 13:12:07,479 INFO L130 PetriNetUnfolder]: For 4965/4975 co-relation queries the response was YES. [2021-03-26 13:12:07,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2954 conditions, 338 events. 149/338 cut-off events. For 4965/4975 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1732 event pairs, 11 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 2900. Up to 141 conditions per place. [2021-03-26 13:12:07,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 378 [2021-03-26 13:12:07,496 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:07,496 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:07,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 13:12:07,497 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 184 transitions, 2870 flow [2021-03-26 13:12:07,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:07,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:07,497 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:07,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-26 13:12:07,714 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:07,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:07,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2101700304, now seen corresponding path program 1 times [2021-03-26 13:12:07,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:07,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481428120] [2021-03-26 13:12:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:07,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:07,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:07,732 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-03-26 13:12:07,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:07,738 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 13:12:07,738 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 13:12:07,755 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:07,755 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:07,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:07,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481428120] [2021-03-26 13:12:07,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018220717] [2021-03-26 13:12:07,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:07,794 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:12:07,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:07,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,807 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:07,807 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,816 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:07,816 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:07,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:07,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:07,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:07,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:07,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:07,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:07,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:07,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,836 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:07,836 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:07,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:07,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:07,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:07,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:07,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:07,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:07,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:07,854 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:07,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:07,859 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:07,859 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:07,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:07,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:07,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:07,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:07,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:07,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:07,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:07,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:07,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:07,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:07,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:07,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:07,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:07,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-03-26 13:12:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:07,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:07,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:07,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:07,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:07,889 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-26 13:12:07,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:07,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:07,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:07,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:07,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:07,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:07,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:07,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:07,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251908961] [2021-03-26 13:12:07,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:07,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:07,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:07,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:07,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-26 13:12:07,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 184 transitions, 2870 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:07,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:07,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-26 13:12:07,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:08,058 INFO L129 PetriNetUnfolder]: 151/345 cut-off events. [2021-03-26 13:12:08,059 INFO L130 PetriNetUnfolder]: For 5259/5322 co-relation queries the response was YES. [2021-03-26 13:12:08,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3347 conditions, 345 events. 151/345 cut-off events. For 5259/5322 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1760 event pairs, 7 based on Foata normal form. 18/362 useless extension candidates. Maximal degree in co-relation 3291. Up to 285 conditions per place. [2021-03-26 13:12:08,063 INFO L132 encePairwiseOnDemand]: 40/54 looper letters, 131 selfloop transitions, 55 changer transitions 5/194 dead transitions. [2021-03-26 13:12:08,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 194 transitions, 3391 flow [2021-03-26 13:12:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 13:12:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 13:12:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 101 transitions. [2021-03-26 13:12:08,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18703703703703703 [2021-03-26 13:12:08,064 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 101 transitions. [2021-03-26 13:12:08,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 101 transitions. [2021-03-26 13:12:08,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:08,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 101 transitions. [2021-03-26 13:12:08,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:08,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:08,065 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:08,065 INFO L185 Difference]: Start difference. First operand has 133 places, 184 transitions, 2870 flow. Second operand 10 states and 101 transitions. [2021-03-26 13:12:08,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 194 transitions, 3391 flow [2021-03-26 13:12:08,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 194 transitions, 3337 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 13:12:08,085 INFO L241 Difference]: Finished difference. Result has 140 places, 185 transitions, 2960 flow [2021-03-26 13:12:08,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2816, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2960, PETRI_PLACES=140, PETRI_TRANSITIONS=185} [2021-03-26 13:12:08,086 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 123 predicate places. [2021-03-26 13:12:08,086 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:08,086 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 185 transitions, 2960 flow [2021-03-26 13:12:08,086 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 185 transitions, 2960 flow [2021-03-26 13:12:08,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 185 transitions, 2960 flow [2021-03-26 13:12:08,112 INFO L129 PetriNetUnfolder]: 150/340 cut-off events. [2021-03-26 13:12:08,112 INFO L130 PetriNetUnfolder]: For 5451/5464 co-relation queries the response was YES. [2021-03-26 13:12:08,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3046 conditions, 340 events. 150/340 cut-off events. For 5451/5464 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1731 event pairs, 12 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 2989. Up to 142 conditions per place. [2021-03-26 13:12:08,116 INFO L142 LiptonReduction]: Number of co-enabled transitions 378 [2021-03-26 13:12:08,164 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:12:08,165 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:12:08,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-26 13:12:08,166 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 184 transitions, 2964 flow [2021-03-26 13:12:08,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:08,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:08,166 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:08,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-26 13:12:08,382 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:08,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:08,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1642831889, now seen corresponding path program 1 times [2021-03-26 13:12:08,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:08,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299067163] [2021-03-26 13:12:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:08,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:08,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:08,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:08,398 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:08,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:08,401 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:08,402 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:08,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:08,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299067163] [2021-03-26 13:12:08,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247192996] [2021-03-26 13:12:08,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:08,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:08,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:08,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:08,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:08,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:08,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:08,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:08,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:08,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:08,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:08,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:08,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:08,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:08,483 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:08,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:08,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:08,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:08,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:08,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:08,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:08,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:08,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:08,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:08,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:08,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:08,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:08,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:08,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:08,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:08,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:08,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:08,509 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:08,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:08,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:08,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:08,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:08,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:08,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:08,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:08,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640621594] [2021-03-26 13:12:08,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:08,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:08,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:08,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:08,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 56 [2021-03-26 13:12:08,522 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 184 transitions, 2964 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:08,522 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:08,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 56 [2021-03-26 13:12:08,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:08,800 INFO L129 PetriNetUnfolder]: 185/427 cut-off events. [2021-03-26 13:12:08,800 INFO L130 PetriNetUnfolder]: For 7337/7407 co-relation queries the response was YES. [2021-03-26 13:12:08,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4331 conditions, 427 events. 185/427 cut-off events. For 7337/7407 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2333 event pairs, 10 based on Foata normal form. 24/451 useless extension candidates. Maximal degree in co-relation 4272. Up to 222 conditions per place. [2021-03-26 13:12:08,805 INFO L132 encePairwiseOnDemand]: 44/56 looper letters, 126 selfloop transitions, 97 changer transitions 26/252 dead transitions. [2021-03-26 13:12:08,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 252 transitions, 4799 flow [2021-03-26 13:12:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 13:12:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 13:12:08,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 206 transitions. [2021-03-26 13:12:08,807 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18392857142857144 [2021-03-26 13:12:08,807 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 206 transitions. [2021-03-26 13:12:08,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 206 transitions. [2021-03-26 13:12:08,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:08,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 206 transitions. [2021-03-26 13:12:08,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 10.3) internal successors, (206), 20 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:08,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 56.0) internal successors, (1176), 21 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:08,808 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 56.0) internal successors, (1176), 21 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:08,808 INFO L185 Difference]: Start difference. First operand has 136 places, 184 transitions, 2964 flow. Second operand 20 states and 206 transitions. [2021-03-26 13:12:08,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 252 transitions, 4799 flow [2021-03-26 13:12:08,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 252 transitions, 4690 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-26 13:12:08,835 INFO L241 Difference]: Finished difference. Result has 154 places, 207 transitions, 3593 flow [2021-03-26 13:12:08,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=2894, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3593, PETRI_PLACES=154, PETRI_TRANSITIONS=207} [2021-03-26 13:12:08,838 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 137 predicate places. [2021-03-26 13:12:08,838 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:08,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 207 transitions, 3593 flow [2021-03-26 13:12:08,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 207 transitions, 3593 flow [2021-03-26 13:12:08,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 207 transitions, 3593 flow [2021-03-26 13:12:08,871 INFO L129 PetriNetUnfolder]: 171/389 cut-off events. [2021-03-26 13:12:08,871 INFO L130 PetriNetUnfolder]: For 6240/6246 co-relation queries the response was YES. [2021-03-26 13:12:08,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3648 conditions, 389 events. 171/389 cut-off events. For 6240/6246 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2042 event pairs, 20 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 3588. Up to 163 conditions per place. [2021-03-26 13:12:08,875 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-26 13:12:08,909 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:08,909 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:08,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-03-26 13:12:08,910 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 206 transitions, 3589 flow [2021-03-26 13:12:08,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:08,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:08,910 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:09,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-26 13:12:09,126 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:09,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:09,127 INFO L82 PathProgramCache]: Analyzing trace with hash -634055013, now seen corresponding path program 1 times [2021-03-26 13:12:09,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:09,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543470597] [2021-03-26 13:12:09,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:09,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:09,145 INFO L142 QuantifierPusher]: treesize reduction 69, result has 30.3 percent of original size [2021-03-26 13:12:09,145 INFO L147 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size 23 [2021-03-26 13:12:09,161 INFO L142 QuantifierPusher]: treesize reduction 65, result has 50.0 percent of original size [2021-03-26 13:12:09,161 INFO L147 QuantifierPusher]: treesize reduction 19, result has 70.8 percent of original size 46 [2021-03-26 13:12:09,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:09,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543470597] [2021-03-26 13:12:09,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408020450] [2021-03-26 13:12:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:09,202 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:09,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:09,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,223 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:09,224 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:09,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:09,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:09,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:09,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:09,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:09,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:09,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:09,241 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:09,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:09,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:09,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:09,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:09,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:09,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:09,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:09,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:09,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:09,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:09,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:09,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 29 [2021-03-26 13:12:09,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:09,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:09,258 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:09,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:09,265 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:09,265 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:29 [2021-03-26 13:12:09,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:09,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:09,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:09,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:09,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:09,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556022647] [2021-03-26 13:12:09,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:09,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:09,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:09,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:09,280 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 57 [2021-03-26 13:12:09,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 206 transitions, 3589 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:09,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:09,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 57 [2021-03-26 13:12:09,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:09,544 INFO L129 PetriNetUnfolder]: 201/457 cut-off events. [2021-03-26 13:12:09,544 INFO L130 PetriNetUnfolder]: For 7861/7931 co-relation queries the response was YES. [2021-03-26 13:12:09,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4769 conditions, 457 events. 201/457 cut-off events. For 7861/7931 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2516 event pairs, 11 based on Foata normal form. 15/472 useless extension candidates. Maximal degree in co-relation 4707. Up to 346 conditions per place. [2021-03-26 13:12:09,550 INFO L132 encePairwiseOnDemand]: 42/57 looper letters, 151 selfloop transitions, 108 changer transitions 2/264 dead transitions. [2021-03-26 13:12:09,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 264 transitions, 5193 flow [2021-03-26 13:12:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 13:12:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 13:12:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 162 transitions. [2021-03-26 13:12:09,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18947368421052632 [2021-03-26 13:12:09,552 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 162 transitions. [2021-03-26 13:12:09,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 162 transitions. [2021-03-26 13:12:09,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:09,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 162 transitions. [2021-03-26 13:12:09,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 10.8) internal successors, (162), 15 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:09,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 57.0) internal successors, (912), 16 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:09,557 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 57.0) internal successors, (912), 16 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:09,557 INFO L185 Difference]: Start difference. First operand has 148 places, 206 transitions, 3589 flow. Second operand 15 states and 162 transitions. [2021-03-26 13:12:09,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 264 transitions, 5193 flow [2021-03-26 13:12:09,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 264 transitions, 4939 flow, removed 83 selfloop flow, removed 11 redundant places. [2021-03-26 13:12:09,589 INFO L241 Difference]: Finished difference. Result has 159 places, 254 transitions, 4669 flow [2021-03-26 13:12:09,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4669, PETRI_PLACES=159, PETRI_TRANSITIONS=254} [2021-03-26 13:12:09,589 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 142 predicate places. [2021-03-26 13:12:09,590 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:09,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 254 transitions, 4669 flow [2021-03-26 13:12:09,590 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 254 transitions, 4669 flow [2021-03-26 13:12:09,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 254 transitions, 4669 flow [2021-03-26 13:12:09,632 INFO L129 PetriNetUnfolder]: 201/457 cut-off events. [2021-03-26 13:12:09,632 INFO L130 PetriNetUnfolder]: For 8898/8898 co-relation queries the response was YES. [2021-03-26 13:12:09,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4539 conditions, 457 events. 201/457 cut-off events. For 8898/8898 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2537 event pairs, 21 based on Foata normal form. 0/457 useless extension candidates. Maximal degree in co-relation 4475. Up to 178 conditions per place. [2021-03-26 13:12:09,637 INFO L142 LiptonReduction]: Number of co-enabled transitions 516 [2021-03-26 13:12:09,888 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-26 13:12:09,888 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 13:12:09,888 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-03-26 13:12:09,889 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 249 transitions, 4620 flow [2021-03-26 13:12:09,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:09,889 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:09,889 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:10,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:10,104 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:10,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:10,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1732232971, now seen corresponding path program 1 times [2021-03-26 13:12:10,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:10,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612997663] [2021-03-26 13:12:10,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:10,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:10,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:10,133 INFO L142 QuantifierPusher]: treesize reduction 99, result has 4.8 percent of original size [2021-03-26 13:12:10,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:10,137 INFO L142 QuantifierPusher]: treesize reduction 106, result has 21.5 percent of original size [2021-03-26 13:12:10,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:10,145 INFO L142 QuantifierPusher]: treesize reduction 18, result has 41.9 percent of original size [2021-03-26 13:12:10,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:10,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:10,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612997663] [2021-03-26 13:12:10,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286775690] [2021-03-26 13:12:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:10,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:12:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:10,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:10,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:10,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:10,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:10,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:10,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:10,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:10,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:10,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:10,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:10,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:10,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:10,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:10,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:10,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:10,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:10,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:10,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:10,272 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:10,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:10,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:10,277 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:10,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:10,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:10,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:10,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:10,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:12:10,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:10,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:10,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2021-03-26 13:12:10,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:10,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:10,314 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:10,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:12:10,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:10,328 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:43 [2021-03-26 13:12:10,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:12:10,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:12:10,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:10,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:10,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:10,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:10,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:10,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:12:10,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:10,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:10,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:10,406 INFO L354 Elim1Store]: treesize reduction 74, result has 26.7 percent of original size [2021-03-26 13:12:10,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2021-03-26 13:12:10,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:12:10,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:12:10,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:10,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:10,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:10,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:10,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:10,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:10,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:10,428 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:48 [2021-03-26 13:12:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:10,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:10,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:10,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:10,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:10,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:10,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:10,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:10,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:10,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:10,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326583256] [2021-03-26 13:12:10,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:10,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:10,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:10,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:10,453 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 66 [2021-03-26 13:12:10,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 249 transitions, 4620 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:10,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:10,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 66 [2021-03-26 13:12:10,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:10,691 INFO L129 PetriNetUnfolder]: 212/483 cut-off events. [2021-03-26 13:12:10,691 INFO L130 PetriNetUnfolder]: For 9259/9325 co-relation queries the response was YES. [2021-03-26 13:12:10,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5268 conditions, 483 events. 212/483 cut-off events. For 9259/9325 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2679 event pairs, 19 based on Foata normal form. 9/491 useless extension candidates. Maximal degree in co-relation 5202. Up to 397 conditions per place. [2021-03-26 13:12:10,700 INFO L132 encePairwiseOnDemand]: 51/66 looper letters, 209 selfloop transitions, 64 changer transitions 1/277 dead transitions. [2021-03-26 13:12:10,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 277 transitions, 5586 flow [2021-03-26 13:12:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 13:12:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 13:12:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 138 transitions. [2021-03-26 13:12:10,702 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16083916083916083 [2021-03-26 13:12:10,702 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 138 transitions. [2021-03-26 13:12:10,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 138 transitions. [2021-03-26 13:12:10,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:10,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 138 transitions. [2021-03-26 13:12:10,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 10.615384615384615) internal successors, (138), 13 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:10,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 66.0) internal successors, (924), 14 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:10,703 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 66.0) internal successors, (924), 14 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:10,703 INFO L185 Difference]: Start difference. First operand has 158 places, 249 transitions, 4620 flow. Second operand 13 states and 138 transitions. [2021-03-26 13:12:10,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 277 transitions, 5586 flow [2021-03-26 13:12:10,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 277 transitions, 5424 flow, removed 72 selfloop flow, removed 5 redundant places. [2021-03-26 13:12:10,762 INFO L241 Difference]: Finished difference. Result has 167 places, 263 transitions, 4808 flow [2021-03-26 13:12:10,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=4368, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4808, PETRI_PLACES=167, PETRI_TRANSITIONS=263} [2021-03-26 13:12:10,762 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 150 predicate places. [2021-03-26 13:12:10,762 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:10,762 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 263 transitions, 4808 flow [2021-03-26 13:12:10,763 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 263 transitions, 4808 flow [2021-03-26 13:12:10,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 263 transitions, 4808 flow [2021-03-26 13:12:10,815 INFO L129 PetriNetUnfolder]: 212/482 cut-off events. [2021-03-26 13:12:10,815 INFO L130 PetriNetUnfolder]: For 9039/9039 co-relation queries the response was YES. [2021-03-26 13:12:10,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4791 conditions, 482 events. 212/482 cut-off events. For 9039/9039 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2675 event pairs, 23 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 4725. Up to 189 conditions per place. [2021-03-26 13:12:10,822 INFO L142 LiptonReduction]: Number of co-enabled transitions 534 [2021-03-26 13:12:10,945 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:12:10,945 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:12:10,945 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 183 [2021-03-26 13:12:10,950 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 260 transitions, 4756 flow [2021-03-26 13:12:10,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:10,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:10,950 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:12:11,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-26 13:12:11,166 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:11,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:11,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1667659408, now seen corresponding path program 1 times [2021-03-26 13:12:11,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:11,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329592346] [2021-03-26 13:12:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:11,186 INFO L142 QuantifierPusher]: treesize reduction 104, result has 13.3 percent of original size [2021-03-26 13:12:11,187 INFO L147 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size 11 [2021-03-26 13:12:11,196 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-03-26 13:12:11,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:11,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:11,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329592346] [2021-03-26 13:12:11,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:11,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:12:11,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193493485] [2021-03-26 13:12:11,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:12:11,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:11,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:12:11,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:12:11,214 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 68 [2021-03-26 13:12:11,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 260 transitions, 4756 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:11,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:11,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 68 [2021-03-26 13:12:11,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:11,392 INFO L129 PetriNetUnfolder]: 212/480 cut-off events. [2021-03-26 13:12:11,392 INFO L130 PetriNetUnfolder]: For 9439/9563 co-relation queries the response was YES. [2021-03-26 13:12:11,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5263 conditions, 480 events. 212/480 cut-off events. For 9439/9563 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2652 event pairs, 14 based on Foata normal form. 13/493 useless extension candidates. Maximal degree in co-relation 5195. Up to 414 conditions per place. [2021-03-26 13:12:11,401 INFO L132 encePairwiseOnDemand]: 54/68 looper letters, 201 selfloop transitions, 55 changer transitions 4/263 dead transitions. [2021-03-26 13:12:11,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 263 transitions, 5338 flow [2021-03-26 13:12:11,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:12:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:12:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2021-03-26 13:12:11,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18823529411764706 [2021-03-26 13:12:11,402 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 64 transitions. [2021-03-26 13:12:11,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 64 transitions. [2021-03-26 13:12:11,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:11,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 64 transitions. [2021-03-26 13:12:11,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 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) [2021-03-26 13:12:11,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:11,402 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:11,402 INFO L185 Difference]: Start difference. First operand has 163 places, 260 transitions, 4756 flow. Second operand 5 states and 64 transitions. [2021-03-26 13:12:11,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 263 transitions, 5338 flow [2021-03-26 13:12:11,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 263 transitions, 5262 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:11,476 INFO L241 Difference]: Finished difference. Result has 161 places, 258 transitions, 4759 flow [2021-03-26 13:12:11,476 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=4686, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4759, PETRI_PLACES=161, PETRI_TRANSITIONS=258} [2021-03-26 13:12:11,476 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 144 predicate places. [2021-03-26 13:12:11,476 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:11,476 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 258 transitions, 4759 flow [2021-03-26 13:12:11,476 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 258 transitions, 4759 flow [2021-03-26 13:12:11,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 258 transitions, 4759 flow [2021-03-26 13:12:11,525 INFO L129 PetriNetUnfolder]: 211/476 cut-off events. [2021-03-26 13:12:11,525 INFO L130 PetriNetUnfolder]: For 8972/8972 co-relation queries the response was YES. [2021-03-26 13:12:11,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4688 conditions, 476 events. 211/476 cut-off events. For 8972/8972 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2622 event pairs, 23 based on Foata normal form. 0/476 useless extension candidates. Maximal degree in co-relation 4623. Up to 188 conditions per place. [2021-03-26 13:12:11,532 INFO L142 LiptonReduction]: Number of co-enabled transitions 524 [2021-03-26 13:12:11,545 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:11,545 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:11,545 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-26 13:12:11,546 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 258 transitions, 4759 flow [2021-03-26 13:12:11,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:11,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:11,546 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:11,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 13:12:11,546 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:11,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:11,546 INFO L82 PathProgramCache]: Analyzing trace with hash 309321617, now seen corresponding path program 1 times [2021-03-26 13:12:11,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:11,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541114895] [2021-03-26 13:12:11,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:11,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:11,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:11,567 INFO L142 QuantifierPusher]: treesize reduction 98, result has 10.1 percent of original size [2021-03-26 13:12:11,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:11,579 INFO L142 QuantifierPusher]: treesize reduction 106, result has 24.3 percent of original size [2021-03-26 13:12:11,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:12:11,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:11,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:11,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541114895] [2021-03-26 13:12:11,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610353006] [2021-03-26 13:12:11,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:11,610 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:12:11,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:11,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,624 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:11,624 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:11,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,633 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:11,634 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:11,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:11,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:11,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:11,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:11,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:11,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:11,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:11,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:11,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:11,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:11,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:11,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:11,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:11,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:11,654 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:11,654 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:11,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:11,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:11,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:11,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:11,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:11,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:11,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:11,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:11,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:11,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:11,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:11,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:11,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:11,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2021-03-26 13:12:11,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:11,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:11,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:11,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:11,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:11,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:39 [2021-03-26 13:12:11,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:11,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:11,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:11,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:11,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:11,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346537603] [2021-03-26 13:12:11,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:11,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:11,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:11,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:11,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 68 [2021-03-26 13:12:11,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 258 transitions, 4759 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:11,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:11,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 68 [2021-03-26 13:12:11,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:11,866 INFO L129 PetriNetUnfolder]: 220/494 cut-off events. [2021-03-26 13:12:11,866 INFO L130 PetriNetUnfolder]: For 9563/9610 co-relation queries the response was YES. [2021-03-26 13:12:11,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5347 conditions, 494 events. 220/494 cut-off events. For 9563/9610 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2737 event pairs, 18 based on Foata normal form. 17/511 useless extension candidates. Maximal degree in co-relation 5280. Up to 445 conditions per place. [2021-03-26 13:12:11,873 INFO L132 encePairwiseOnDemand]: 55/68 looper letters, 217 selfloop transitions, 55 changer transitions 0/275 dead transitions. [2021-03-26 13:12:11,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 275 transitions, 5594 flow [2021-03-26 13:12:11,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 13:12:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 13:12:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 107 transitions. [2021-03-26 13:12:11,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15735294117647058 [2021-03-26 13:12:11,874 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 107 transitions. [2021-03-26 13:12:11,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 107 transitions. [2021-03-26 13:12:11,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:11,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 107 transitions. [2021-03-26 13:12:11,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:11,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:11,875 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:11,875 INFO L185 Difference]: Start difference. First operand has 159 places, 258 transitions, 4759 flow. Second operand 10 states and 107 transitions. [2021-03-26 13:12:11,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 275 transitions, 5594 flow [2021-03-26 13:12:11,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 275 transitions, 5478 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:11,917 INFO L241 Difference]: Finished difference. Result has 168 places, 274 transitions, 5086 flow [2021-03-26 13:12:11,917 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=4647, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5086, PETRI_PLACES=168, PETRI_TRANSITIONS=274} [2021-03-26 13:12:11,918 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 151 predicate places. [2021-03-26 13:12:11,918 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:11,918 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 274 transitions, 5086 flow [2021-03-26 13:12:11,918 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 274 transitions, 5086 flow [2021-03-26 13:12:11,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 274 transitions, 5086 flow [2021-03-26 13:12:11,970 INFO L129 PetriNetUnfolder]: 220/494 cut-off events. [2021-03-26 13:12:11,970 INFO L130 PetriNetUnfolder]: For 9285/9313 co-relation queries the response was YES. [2021-03-26 13:12:11,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4937 conditions, 494 events. 220/494 cut-off events. For 9285/9313 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2759 event pairs, 22 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 4869. Up to 193 conditions per place. [2021-03-26 13:12:11,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 560 [2021-03-26 13:12:12,133 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 13:12:12,134 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 13:12:12,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 216 [2021-03-26 13:12:12,134 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 273 transitions, 5099 flow [2021-03-26 13:12:12,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:12,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:12,134 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:12,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:12,349 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:12,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:12,349 INFO L82 PathProgramCache]: Analyzing trace with hash -598037694, now seen corresponding path program 1 times [2021-03-26 13:12:12,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:12,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370166365] [2021-03-26 13:12:12,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:12,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:12,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:12,381 INFO L142 QuantifierPusher]: treesize reduction 76, result has 23.2 percent of original size [2021-03-26 13:12:12,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:12,390 INFO L142 QuantifierPusher]: treesize reduction 77, result has 40.8 percent of original size [2021-03-26 13:12:12,390 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.8 percent of original size 46 [2021-03-26 13:12:12,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:12,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370166365] [2021-03-26 13:12:12,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556197725] [2021-03-26 13:12:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order 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) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:12,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:12:12,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:12,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:12,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:12,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:12,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:12,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:12,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:12,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:12,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:12,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:12,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:12,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:12,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:12,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:12,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:12,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:12,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:12,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:12,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:12,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:12,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:12,475 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:12,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:12,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:12,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:12,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:12,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:12:12,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:12,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:12,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:12,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:12,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2021-03-26 13:12:12,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:12,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:12,502 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:12,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:12,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:12,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:12,512 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:38 [2021-03-26 13:12:12,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:12,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:12,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:12,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:12,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:12,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:12,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:12:12,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:12:12,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878268109] [2021-03-26 13:12:12,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:12:12,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:12,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:12:12,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:12,527 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 71 [2021-03-26 13:12:12,527 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 273 transitions, 5099 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:12,527 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:12,527 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 71 [2021-03-26 13:12:12,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:12,734 INFO L129 PetriNetUnfolder]: 220/495 cut-off events. [2021-03-26 13:12:12,734 INFO L130 PetriNetUnfolder]: For 10093/10347 co-relation queries the response was YES. [2021-03-26 13:12:12,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5473 conditions, 495 events. 220/495 cut-off events. For 10093/10347 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2715 event pairs, 22 based on Foata normal form. 16/511 useless extension candidates. Maximal degree in co-relation 5403. Up to 484 conditions per place. [2021-03-26 13:12:12,740 INFO L132 encePairwiseOnDemand]: 58/71 looper letters, 255 selfloop transitions, 18 changer transitions 1/277 dead transitions. [2021-03-26 13:12:12,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 277 transitions, 5743 flow [2021-03-26 13:12:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:12:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:12:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 84 transitions. [2021-03-26 13:12:12,741 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16901408450704225 [2021-03-26 13:12:12,741 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 84 transitions. [2021-03-26 13:12:12,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 84 transitions. [2021-03-26 13:12:12,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:12,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 84 transitions. [2021-03-26 13:12:12,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 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) [2021-03-26 13:12:12,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 71.0) internal successors, (568), 8 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:12,742 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 71.0) internal successors, (568), 8 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:12,742 INFO L185 Difference]: Start difference. First operand has 168 places, 273 transitions, 5099 flow. Second operand 7 states and 84 transitions. [2021-03-26 13:12:12,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 277 transitions, 5743 flow [2021-03-26 13:12:12,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 277 transitions, 5651 flow, removed 40 selfloop flow, removed 2 redundant places. [2021-03-26 13:12:12,786 INFO L241 Difference]: Finished difference. Result has 174 places, 275 transitions, 5099 flow [2021-03-26 13:12:12,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=5007, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5099, PETRI_PLACES=174, PETRI_TRANSITIONS=275} [2021-03-26 13:12:12,786 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 157 predicate places. [2021-03-26 13:12:12,786 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:12,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 275 transitions, 5099 flow [2021-03-26 13:12:12,786 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 275 transitions, 5099 flow [2021-03-26 13:12:12,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 275 transitions, 5099 flow [2021-03-26 13:12:12,835 INFO L129 PetriNetUnfolder]: 220/494 cut-off events. [2021-03-26 13:12:12,835 INFO L130 PetriNetUnfolder]: For 9585/9589 co-relation queries the response was YES. [2021-03-26 13:12:12,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4965 conditions, 494 events. 220/494 cut-off events. For 9585/9589 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2749 event pairs, 22 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 4894. Up to 190 conditions per place. [2021-03-26 13:12:12,841 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-26 13:12:12,896 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:12:12,896 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:12:12,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 13:12:12,896 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 274 transitions, 5080 flow [2021-03-26 13:12:12,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:12,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:12,896 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:12:13,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-03-26 13:12:13,112 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:13,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:13,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1666153267, now seen corresponding path program 1 times [2021-03-26 13:12:13,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:13,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086581104] [2021-03-26 13:12:13,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:13,135 INFO L142 QuantifierPusher]: treesize reduction 88, result has 39.3 percent of original size [2021-03-26 13:12:13,136 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.7 percent of original size 46 [2021-03-26 13:12:13,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:13,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:13,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086581104] [2021-03-26 13:12:13,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:13,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:12:13,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027959571] [2021-03-26 13:12:13,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:12:13,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:13,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:12:13,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:12:13,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 72 [2021-03-26 13:12:13,164 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 274 transitions, 5080 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:13,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:13,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 72 [2021-03-26 13:12:13,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:13,331 INFO L129 PetriNetUnfolder]: 220/495 cut-off events. [2021-03-26 13:12:13,331 INFO L130 PetriNetUnfolder]: For 10007/10166 co-relation queries the response was YES. [2021-03-26 13:12:13,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5479 conditions, 495 events. 220/495 cut-off events. For 10007/10166 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2725 event pairs, 18 based on Foata normal form. 24/519 useless extension candidates. Maximal degree in co-relation 5406. Up to 455 conditions per place. [2021-03-26 13:12:13,338 INFO L132 encePairwiseOnDemand]: 56/72 looper letters, 231 selfloop transitions, 42 changer transitions 1/277 dead transitions. [2021-03-26 13:12:13,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 277 transitions, 5694 flow [2021-03-26 13:12:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:12:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:12:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2021-03-26 13:12:13,339 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18055555555555555 [2021-03-26 13:12:13,339 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 65 transitions. [2021-03-26 13:12:13,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 65 transitions. [2021-03-26 13:12:13,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:13,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 65 transitions. [2021-03-26 13:12:13,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:13,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 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) [2021-03-26 13:12:13,340 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 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) [2021-03-26 13:12:13,340 INFO L185 Difference]: Start difference. First operand has 173 places, 274 transitions, 5080 flow. Second operand 5 states and 65 transitions. [2021-03-26 13:12:13,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 277 transitions, 5694 flow [2021-03-26 13:12:13,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 277 transitions, 5639 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-03-26 13:12:13,399 INFO L241 Difference]: Finished difference. Result has 175 places, 275 transitions, 5177 flow [2021-03-26 13:12:13,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=5029, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=5177, PETRI_PLACES=175, PETRI_TRANSITIONS=275} [2021-03-26 13:12:13,399 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 158 predicate places. [2021-03-26 13:12:13,399 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:13,399 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 275 transitions, 5177 flow [2021-03-26 13:12:13,399 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 275 transitions, 5177 flow [2021-03-26 13:12:13,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 275 transitions, 5177 flow [2021-03-26 13:12:13,453 INFO L129 PetriNetUnfolder]: 220/494 cut-off events. [2021-03-26 13:12:13,454 INFO L130 PetriNetUnfolder]: For 10554/10564 co-relation queries the response was YES. [2021-03-26 13:12:13,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5037 conditions, 494 events. 220/494 cut-off events. For 10554/10564 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2747 event pairs, 22 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 4966. Up to 188 conditions per place. [2021-03-26 13:12:13,460 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-26 13:12:13,488 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:13,489 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:13,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-26 13:12:13,489 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 274 transitions, 5150 flow [2021-03-26 13:12:13,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:13,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:13,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:13,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 13:12:13,489 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:13,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:13,489 INFO L82 PathProgramCache]: Analyzing trace with hash -111143243, now seen corresponding path program 1 times [2021-03-26 13:12:13,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:13,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094729588] [2021-03-26 13:12:13,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:13,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:13,506 INFO L142 QuantifierPusher]: treesize reduction 93, result has 38.0 percent of original size [2021-03-26 13:12:13,507 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.7 percent of original size 46 [2021-03-26 13:12:13,532 INFO L142 QuantifierPusher]: treesize reduction 72, result has 37.4 percent of original size [2021-03-26 13:12:13,533 INFO L147 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size 31 [2021-03-26 13:12:13,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:13,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094729588] [2021-03-26 13:12:13,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647275256] [2021-03-26 13:12:13,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:13,583 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:12:13,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:13,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:13,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:13,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:13,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:13,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:13,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:13,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:13,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:13,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:13,595 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-03-26 13:12:13,596 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-03-26 13:12:13,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:13,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:13,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:13,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 41 [2021-03-26 13:12:13,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:13,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:13,610 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:13,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:13,621 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:13,621 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:47 [2021-03-26 13:12:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:13,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:13,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:13,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:13,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:13,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:13,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:13,639 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size 87 [2021-03-26 13:12:13,640 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-26 13:12:13,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:13,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:12:13,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:13,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:12:13,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 78 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 108 [2021-03-26 13:12:13,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:12:13,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:12:13,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:13,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:12:13,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:13,714 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:96 [2021-03-26 13:12:13,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:12:13,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:12:13,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:12:13,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:12:13,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:12:13,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:12:13,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:13,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:12:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:12:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:13,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 120 [2021-03-26 13:12:13,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-26 13:12:13,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-26 13:12:13,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:13,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 13:12:13,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:13,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2021-03-26 13:12:13,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 13:12:13,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:13,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 13:12:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:13,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:13,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:12:13,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191902697] [2021-03-26 13:12:13,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:12:13,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:13,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:12:13,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:12:13,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 72 [2021-03-26 13:12:13,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 274 transitions, 5150 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:13,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:13,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 72 [2021-03-26 13:12:13,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:14,154 INFO L129 PetriNetUnfolder]: 220/497 cut-off events. [2021-03-26 13:12:14,154 INFO L130 PetriNetUnfolder]: For 10885/10969 co-relation queries the response was YES. [2021-03-26 13:12:14,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5570 conditions, 497 events. 220/497 cut-off events. For 10885/10969 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2765 event pairs, 19 based on Foata normal form. 14/511 useless extension candidates. Maximal degree in co-relation 5497. Up to 454 conditions per place. [2021-03-26 13:12:14,159 INFO L132 encePairwiseOnDemand]: 56/72 looper letters, 231 selfloop transitions, 44 changer transitions 1/279 dead transitions. [2021-03-26 13:12:14,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 279 transitions, 5822 flow [2021-03-26 13:12:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:12:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:12:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 91 transitions. [2021-03-26 13:12:14,160 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1579861111111111 [2021-03-26 13:12:14,160 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 91 transitions. [2021-03-26 13:12:14,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 91 transitions. [2021-03-26 13:12:14,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:14,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 91 transitions. [2021-03-26 13:12:14,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:14,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 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) [2021-03-26 13:12:14,161 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 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) [2021-03-26 13:12:14,161 INFO L185 Difference]: Start difference. First operand has 174 places, 274 transitions, 5150 flow. Second operand 8 states and 91 transitions. [2021-03-26 13:12:14,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 279 transitions, 5822 flow [2021-03-26 13:12:14,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 279 transitions, 5798 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 13:12:14,206 INFO L241 Difference]: Finished difference. Result has 181 places, 277 transitions, 5344 flow [2021-03-26 13:12:14,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=5128, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5344, PETRI_PLACES=181, PETRI_TRANSITIONS=277} [2021-03-26 13:12:14,207 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 164 predicate places. [2021-03-26 13:12:14,207 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:14,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 277 transitions, 5344 flow [2021-03-26 13:12:14,207 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 277 transitions, 5344 flow [2021-03-26 13:12:14,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 180 places, 277 transitions, 5344 flow [2021-03-26 13:12:14,255 INFO L129 PetriNetUnfolder]: 220/496 cut-off events. [2021-03-26 13:12:14,255 INFO L130 PetriNetUnfolder]: For 11488/11489 co-relation queries the response was YES. [2021-03-26 13:12:14,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5210 conditions, 496 events. 220/496 cut-off events. For 11488/11489 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2806 event pairs, 23 based on Foata normal form. 1/497 useless extension candidates. Maximal degree in co-relation 5136. Up to 188 conditions per place. [2021-03-26 13:12:14,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 566 [2021-03-26 13:12:14,404 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:12:14,404 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:12:14,404 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197 [2021-03-26 13:12:14,405 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 274 transitions, 5271 flow [2021-03-26 13:12:14,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:14,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:14,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:14,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-03-26 13:12:14,619 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:14,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:14,619 INFO L82 PathProgramCache]: Analyzing trace with hash 796017184, now seen corresponding path program 1 times [2021-03-26 13:12:14,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:14,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979866508] [2021-03-26 13:12:14,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:14,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:14,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:14,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:14,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:14,653 INFO L142 QuantifierPusher]: treesize reduction 99, result has 4.8 percent of original size [2021-03-26 13:12:14,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:14,657 INFO L142 QuantifierPusher]: treesize reduction 106, result has 21.5 percent of original size [2021-03-26 13:12:14,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:14,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:14,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:14,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979866508] [2021-03-26 13:12:14,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:14,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:12:14,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678631691] [2021-03-26 13:12:14,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:12:14,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:14,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:12:14,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:12:14,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-26 13:12:14,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 274 transitions, 5271 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:14,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:14,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-26 13:12:14,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:14,833 INFO L129 PetriNetUnfolder]: 238/538 cut-off events. [2021-03-26 13:12:14,833 INFO L130 PetriNetUnfolder]: For 13102/13347 co-relation queries the response was YES. [2021-03-26 13:12:14,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6165 conditions, 538 events. 238/538 cut-off events. For 13102/13347 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3049 event pairs, 21 based on Foata normal form. 28/566 useless extension candidates. Maximal degree in co-relation 6089. Up to 448 conditions per place. [2021-03-26 13:12:14,839 INFO L132 encePairwiseOnDemand]: 58/74 looper letters, 233 selfloop transitions, 69 changer transitions 0/305 dead transitions. [2021-03-26 13:12:14,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 305 transitions, 6455 flow [2021-03-26 13:12:14,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:12:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:12:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 103 transitions. [2021-03-26 13:12:14,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15465465465465467 [2021-03-26 13:12:14,840 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 103 transitions. [2021-03-26 13:12:14,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 103 transitions. [2021-03-26 13:12:14,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:14,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 103 transitions. [2021-03-26 13:12:14,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:14,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 74.0) internal successors, (740), 10 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:14,840 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 74.0) internal successors, (740), 10 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:14,840 INFO L185 Difference]: Start difference. First operand has 178 places, 274 transitions, 5271 flow. Second operand 9 states and 103 transitions. [2021-03-26 13:12:14,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 305 transitions, 6455 flow [2021-03-26 13:12:14,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 305 transitions, 6291 flow, removed 23 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:14,890 INFO L241 Difference]: Finished difference. Result has 183 places, 292 transitions, 5691 flow [2021-03-26 13:12:14,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=5128, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5691, PETRI_PLACES=183, PETRI_TRANSITIONS=292} [2021-03-26 13:12:14,891 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 166 predicate places. [2021-03-26 13:12:14,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:14,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 292 transitions, 5691 flow [2021-03-26 13:12:14,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 292 transitions, 5691 flow [2021-03-26 13:12:14,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 292 transitions, 5691 flow [2021-03-26 13:12:14,944 INFO L129 PetriNetUnfolder]: 238/538 cut-off events. [2021-03-26 13:12:14,944 INFO L130 PetriNetUnfolder]: For 11876/11932 co-relation queries the response was YES. [2021-03-26 13:12:14,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5621 conditions, 538 events. 238/538 cut-off events. For 11876/11932 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3074 event pairs, 25 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 5546. Up to 213 conditions per place. [2021-03-26 13:12:14,951 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 13:12:14,983 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:14,983 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:14,983 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-03-26 13:12:14,983 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 291 transitions, 5661 flow [2021-03-26 13:12:14,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:14,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:14,984 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:14,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 13:12:14,984 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:14,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:14,984 INFO L82 PathProgramCache]: Analyzing trace with hash -111139399, now seen corresponding path program 1 times [2021-03-26 13:12:14,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:14,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877489961] [2021-03-26 13:12:14,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:14,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:14,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:14,999 INFO L142 QuantifierPusher]: treesize reduction 198, result has 34.0 percent of original size [2021-03-26 13:12:15,000 INFO L147 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size 82 [2021-03-26 13:12:15,037 INFO L142 QuantifierPusher]: treesize reduction 18, result has 41.9 percent of original size [2021-03-26 13:12:15,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:15,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:15,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:15,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877489961] [2021-03-26 13:12:15,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58236070] [2021-03-26 13:12:15,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:15,061 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:15,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:15,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:15,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:15,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:15,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:15,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:15,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:15,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:15,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:15,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:15,076 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-03-26 13:12:15,076 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-03-26 13:12:15,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:15,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:15,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:15,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:15,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 41 [2021-03-26 13:12:15,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:15,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:15,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:15,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:15,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:15,100 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:47 [2021-03-26 13:12:15,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:15,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:15,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:15,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:15,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:15,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:15,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:12:15,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:15,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:12:15,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:15,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:12:15,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 105 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 104 [2021-03-26 13:12:15,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-26 13:12:15,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-26 13:12:15,188 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:15,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:12:15,226 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:15,226 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:92 [2021-03-26 13:12:15,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:12:15,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:12:15,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:12:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:12:15,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:12:15,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:12:15,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:15,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:12:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:12:15,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:12:15,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:12:15,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:15,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 136 [2021-03-26 13:12:15,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-26 13:12:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-26 13:12:15,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:15,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:15,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:15,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:98, output treesize:97 [2021-03-26 13:12:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:15,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:15,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:15,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:15,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:15,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:12:15,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390361712] [2021-03-26 13:12:15,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:12:15,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:15,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:12:15,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:12:15,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-26 13:12:15,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 291 transitions, 5661 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:15,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:15,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-26 13:12:15,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:15,711 INFO L129 PetriNetUnfolder]: 238/538 cut-off events. [2021-03-26 13:12:15,711 INFO L130 PetriNetUnfolder]: For 12670/12885 co-relation queries the response was YES. [2021-03-26 13:12:15,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6166 conditions, 538 events. 238/538 cut-off events. For 12670/12885 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3055 event pairs, 21 based on Foata normal form. 26/564 useless extension candidates. Maximal degree in co-relation 6089. Up to 493 conditions per place. [2021-03-26 13:12:15,716 INFO L132 encePairwiseOnDemand]: 59/74 looper letters, 245 selfloop transitions, 41 changer transitions 5/294 dead transitions. [2021-03-26 13:12:15,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 294 transitions, 6311 flow [2021-03-26 13:12:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:12:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:12:15,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 81 transitions. [2021-03-26 13:12:15,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15637065637065636 [2021-03-26 13:12:15,740 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 81 transitions. [2021-03-26 13:12:15,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 81 transitions. [2021-03-26 13:12:15,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:15,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 81 transitions. [2021-03-26 13:12:15,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:15,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 74.0) internal successors, (592), 8 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:15,741 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 74.0) internal successors, (592), 8 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:15,741 INFO L185 Difference]: Start difference. First operand has 183 places, 291 transitions, 5661 flow. Second operand 7 states and 81 transitions. [2021-03-26 13:12:15,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 294 transitions, 6311 flow [2021-03-26 13:12:15,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 294 transitions, 6234 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:15,789 INFO L241 Difference]: Finished difference. Result has 186 places, 288 transitions, 5594 flow [2021-03-26 13:12:15,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=5584, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5594, PETRI_PLACES=186, PETRI_TRANSITIONS=288} [2021-03-26 13:12:15,790 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 169 predicate places. [2021-03-26 13:12:15,790 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:15,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 288 transitions, 5594 flow [2021-03-26 13:12:15,790 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 288 transitions, 5594 flow [2021-03-26 13:12:15,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 288 transitions, 5594 flow [2021-03-26 13:12:15,842 INFO L129 PetriNetUnfolder]: 237/533 cut-off events. [2021-03-26 13:12:15,842 INFO L130 PetriNetUnfolder]: For 12548/12548 co-relation queries the response was YES. [2021-03-26 13:12:15,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5589 conditions, 533 events. 237/533 cut-off events. For 12548/12548 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3043 event pairs, 25 based on Foata normal form. 0/533 useless extension candidates. Maximal degree in co-relation 5512. Up to 213 conditions per place. [2021-03-26 13:12:15,849 INFO L142 LiptonReduction]: Number of co-enabled transitions 586 [2021-03-26 13:12:15,863 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:15,864 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:15,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-26 13:12:15,864 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 288 transitions, 5594 flow [2021-03-26 13:12:15,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:15,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:15,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:16,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-26 13:12:16,079 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:16,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:16,080 INFO L82 PathProgramCache]: Analyzing trace with hash -598645015, now seen corresponding path program 1 times [2021-03-26 13:12:16,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:16,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016729332] [2021-03-26 13:12:16,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:16,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:16,100 INFO L142 QuantifierPusher]: treesize reduction 77, result has 31.3 percent of original size [2021-03-26 13:12:16,101 INFO L147 QuantifierPusher]: treesize reduction 7, result has 80.0 percent of original size 28 [2021-03-26 13:12:16,119 INFO L142 QuantifierPusher]: treesize reduction 73, result has 46.3 percent of original size [2021-03-26 13:12:16,119 INFO L147 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size 51 [2021-03-26 13:12:16,156 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:16,156 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:16,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:16,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016729332] [2021-03-26 13:12:16,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349313889] [2021-03-26 13:12:16,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:16,198 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:16,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:16,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:16,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:16,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:16,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:16,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:16,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:16,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:16,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:16,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:16,230 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:16,230 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:16,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:16,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:16,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:16,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:16,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:16,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 29 [2021-03-26 13:12:16,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:16,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:16,247 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:16,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:16,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:16,256 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:32 [2021-03-26 13:12:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:16,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:16,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:16,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:16,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:16,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:12:16,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:16,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:16,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:16,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-03-26 13:12:16,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:16,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:16,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:16,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:16,299 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:37 [2021-03-26 13:12:16,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:16,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:16,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:16,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:16,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:16,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:16,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366924202] [2021-03-26 13:12:16,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:16,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:16,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:16,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:16,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-26 13:12:16,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 288 transitions, 5594 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:16,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:16,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-26 13:12:16,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:16,586 INFO L129 PetriNetUnfolder]: 254/574 cut-off events. [2021-03-26 13:12:16,586 INFO L130 PetriNetUnfolder]: For 14777/14848 co-relation queries the response was YES. [2021-03-26 13:12:16,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6693 conditions, 574 events. 254/574 cut-off events. For 14777/14848 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3343 event pairs, 16 based on Foata normal form. 15/589 useless extension candidates. Maximal degree in co-relation 6614. Up to 460 conditions per place. [2021-03-26 13:12:16,593 INFO L132 encePairwiseOnDemand]: 55/74 looper letters, 219 selfloop transitions, 85 changer transitions 17/324 dead transitions. [2021-03-26 13:12:16,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 324 transitions, 7121 flow [2021-03-26 13:12:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 13:12:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 13:12:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 110 transitions. [2021-03-26 13:12:16,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14864864864864866 [2021-03-26 13:12:16,594 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 110 transitions. [2021-03-26 13:12:16,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 110 transitions. [2021-03-26 13:12:16,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:16,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 110 transitions. [2021-03-26 13:12:16,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 11.0) internal successors, (110), 10 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) [2021-03-26 13:12:16,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:16,595 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:16,595 INFO L185 Difference]: Start difference. First operand has 182 places, 288 transitions, 5594 flow. Second operand 10 states and 110 transitions. [2021-03-26 13:12:16,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 324 transitions, 7121 flow [2021-03-26 13:12:16,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 324 transitions, 6866 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:16,653 INFO L241 Difference]: Finished difference. Result has 187 places, 298 transitions, 5894 flow [2021-03-26 13:12:16,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=5397, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5894, PETRI_PLACES=187, PETRI_TRANSITIONS=298} [2021-03-26 13:12:16,654 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 170 predicate places. [2021-03-26 13:12:16,654 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:16,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 298 transitions, 5894 flow [2021-03-26 13:12:16,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 298 transitions, 5894 flow [2021-03-26 13:12:16,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 298 transitions, 5894 flow [2021-03-26 13:12:16,736 INFO L129 PetriNetUnfolder]: 249/556 cut-off events. [2021-03-26 13:12:16,736 INFO L130 PetriNetUnfolder]: For 12790/12796 co-relation queries the response was YES. [2021-03-26 13:12:16,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5898 conditions, 556 events. 249/556 cut-off events. For 12790/12796 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3175 event pairs, 25 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 5821. Up to 223 conditions per place. [2021-03-26 13:12:16,743 INFO L142 LiptonReduction]: Number of co-enabled transitions 608 [2021-03-26 13:12:16,758 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:16,758 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:16,758 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-26 13:12:16,759 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 298 transitions, 5894 flow [2021-03-26 13:12:16,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:16,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:16,759 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:16,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-26 13:12:16,975 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:16,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:16,975 INFO L82 PathProgramCache]: Analyzing trace with hash -598037167, now seen corresponding path program 1 times [2021-03-26 13:12:16,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:16,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580365538] [2021-03-26 13:12:16,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:16,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:16,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:16,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:16,989 INFO L142 QuantifierPusher]: treesize reduction 82, result has 22.6 percent of original size [2021-03-26 13:12:16,989 INFO L147 QuantifierPusher]: treesize reduction 19, result has 20.8 percent of original size 5 [2021-03-26 13:12:17,002 INFO L142 QuantifierPusher]: treesize reduction 83, result has 38.5 percent of original size [2021-03-26 13:12:17,004 INFO L147 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size 35 [2021-03-26 13:12:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:17,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580365538] [2021-03-26 13:12:17,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:17,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:12:17,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249877461] [2021-03-26 13:12:17,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:12:17,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:17,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:12:17,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:12:17,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-26 13:12:17,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 298 transitions, 5894 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:17,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:17,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-26 13:12:17,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:17,264 INFO L129 PetriNetUnfolder]: 274/614 cut-off events. [2021-03-26 13:12:17,264 INFO L130 PetriNetUnfolder]: For 15007/15122 co-relation queries the response was YES. [2021-03-26 13:12:17,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7143 conditions, 614 events. 274/614 cut-off events. For 15007/15122 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3587 event pairs, 16 based on Foata normal form. 12/626 useless extension candidates. Maximal degree in co-relation 7064. Up to 496 conditions per place. [2021-03-26 13:12:17,272 INFO L132 encePairwiseOnDemand]: 60/74 looper letters, 248 selfloop transitions, 85 changer transitions 0/336 dead transitions. [2021-03-26 13:12:17,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 336 transitions, 7363 flow [2021-03-26 13:12:17,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:12:17,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:12:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 93 transitions. [2021-03-26 13:12:17,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1570945945945946 [2021-03-26 13:12:17,273 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 93 transitions. [2021-03-26 13:12:17,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 93 transitions. [2021-03-26 13:12:17,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:17,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 93 transitions. [2021-03-26 13:12:17,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:17,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:17,274 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:17,274 INFO L185 Difference]: Start difference. First operand has 183 places, 298 transitions, 5894 flow. Second operand 8 states and 93 transitions. [2021-03-26 13:12:17,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 336 transitions, 7363 flow [2021-03-26 13:12:17,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 336 transitions, 7258 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:17,336 INFO L241 Difference]: Finished difference. Result has 187 places, 324 transitions, 6622 flow [2021-03-26 13:12:17,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=5797, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6622, PETRI_PLACES=187, PETRI_TRANSITIONS=324} [2021-03-26 13:12:17,337 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 170 predicate places. [2021-03-26 13:12:17,337 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:17,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 324 transitions, 6622 flow [2021-03-26 13:12:17,337 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 324 transitions, 6622 flow [2021-03-26 13:12:17,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 324 transitions, 6622 flow [2021-03-26 13:12:17,405 INFO L129 PetriNetUnfolder]: 274/614 cut-off events. [2021-03-26 13:12:17,405 INFO L130 PetriNetUnfolder]: For 16323/16333 co-relation queries the response was YES. [2021-03-26 13:12:17,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6737 conditions, 614 events. 274/614 cut-off events. For 16323/16333 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3604 event pairs, 28 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 6657. Up to 243 conditions per place. [2021-03-26 13:12:17,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-26 13:12:17,454 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:12:17,454 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:12:17,455 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 118 [2021-03-26 13:12:17,455 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 322 transitions, 6559 flow [2021-03-26 13:12:17,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:17,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:17,455 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:17,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 13:12:17,455 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:17,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:17,455 INFO L82 PathProgramCache]: Analyzing trace with hash 842184443, now seen corresponding path program 1 times [2021-03-26 13:12:17,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:17,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905817953] [2021-03-26 13:12:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:17,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:17,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:17,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:17,471 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:17,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:17,475 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:17,476 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:17,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:17,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905817953] [2021-03-26 13:12:17,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680418502] [2021-03-26 13:12:17,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:17,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:17,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:17,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:17,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:17,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:17,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:17,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:17,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:17,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:17,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:17,563 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:17,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:17,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:17,568 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:17,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:17,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:17,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:17,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:17,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:17,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:17,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:17,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:17,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:17,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:17,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:17,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:17,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:17,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:17,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:17,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:17,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:17,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:17,599 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:17,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:17,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:17,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:17,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:17,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:17,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:17,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:17,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009536230] [2021-03-26 13:12:17,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:17,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:17,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:17,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:17,612 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-26 13:12:17,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 322 transitions, 6559 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:17,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:17,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-26 13:12:17,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:18,014 INFO L129 PetriNetUnfolder]: 284/645 cut-off events. [2021-03-26 13:12:18,014 INFO L130 PetriNetUnfolder]: For 18068/18261 co-relation queries the response was YES. [2021-03-26 13:12:18,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7754 conditions, 645 events. 284/645 cut-off events. For 18068/18261 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 3893 event pairs, 12 based on Foata normal form. 38/683 useless extension candidates. Maximal degree in co-relation 7672. Up to 425 conditions per place. [2021-03-26 13:12:18,024 INFO L132 encePairwiseOnDemand]: 57/74 looper letters, 214 selfloop transitions, 144 changer transitions 12/373 dead transitions. [2021-03-26 13:12:18,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 373 transitions, 8303 flow [2021-03-26 13:12:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 13:12:18,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 13:12:18,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 185 transitions. [2021-03-26 13:12:18,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1388888888888889 [2021-03-26 13:12:18,028 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 185 transitions. [2021-03-26 13:12:18,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 185 transitions. [2021-03-26 13:12:18,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:18,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 185 transitions. [2021-03-26 13:12:18,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 10.277777777777779) internal successors, (185), 18 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) [2021-03-26 13:12:18,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 74.0) internal successors, (1406), 19 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:18,031 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 74.0) internal successors, (1406), 19 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:18,031 INFO L185 Difference]: Start difference. First operand has 187 places, 322 transitions, 6559 flow. Second operand 18 states and 185 transitions. [2021-03-26 13:12:18,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 373 transitions, 8303 flow [2021-03-26 13:12:18,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 373 transitions, 8271 flow, removed 15 selfloop flow, removed 1 redundant places. [2021-03-26 13:12:18,107 INFO L241 Difference]: Finished difference. Result has 212 places, 343 transitions, 7329 flow [2021-03-26 13:12:18,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=6527, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=7329, PETRI_PLACES=212, PETRI_TRANSITIONS=343} [2021-03-26 13:12:18,107 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 195 predicate places. [2021-03-26 13:12:18,107 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:18,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 343 transitions, 7329 flow [2021-03-26 13:12:18,108 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 343 transitions, 7329 flow [2021-03-26 13:12:18,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 343 transitions, 7329 flow [2021-03-26 13:12:18,199 INFO L129 PetriNetUnfolder]: 275/613 cut-off events. [2021-03-26 13:12:18,199 INFO L130 PetriNetUnfolder]: For 18304/18337 co-relation queries the response was YES. [2021-03-26 13:12:18,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7115 conditions, 613 events. 275/613 cut-off events. For 18304/18337 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 3607 event pairs, 25 based on Foata normal form. 0/613 useless extension candidates. Maximal degree in co-relation 7024. Up to 240 conditions per place. [2021-03-26 13:12:18,208 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 13:12:18,247 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:12:18,247 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:12:18,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-03-26 13:12:18,248 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 341 transitions, 7264 flow [2021-03-26 13:12:18,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:18,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:18,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:18,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-03-26 13:12:18,464 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:18,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1642807653, now seen corresponding path program 1 times [2021-03-26 13:12:18,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:18,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455472770] [2021-03-26 13:12:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:18,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:18,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:18,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:18,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:18,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:18,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:18,480 INFO L142 QuantifierPusher]: treesize reduction 38, result has 32.1 percent of original size [2021-03-26 13:12:18,482 INFO L147 QuantifierPusher]: treesize reduction 13, result has 27.8 percent of original size 5 [2021-03-26 13:12:18,490 INFO L142 QuantifierPusher]: treesize reduction 36, result has 48.6 percent of original size [2021-03-26 13:12:18,490 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-03-26 13:12:18,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:18,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:18,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455472770] [2021-03-26 13:12:18,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:18,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:12:18,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928701925] [2021-03-26 13:12:18,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:12:18,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:18,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:12:18,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:12:18,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-26 13:12:18,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 341 transitions, 7264 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:18,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:18,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-26 13:12:18,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:18,776 INFO L129 PetriNetUnfolder]: 337/774 cut-off events. [2021-03-26 13:12:18,776 INFO L130 PetriNetUnfolder]: For 24429/24636 co-relation queries the response was YES. [2021-03-26 13:12:18,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9871 conditions, 774 events. 337/774 cut-off events. For 24429/24636 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 4783 event pairs, 6 based on Foata normal form. 33/807 useless extension candidates. Maximal degree in co-relation 9778. Up to 338 conditions per place. [2021-03-26 13:12:18,787 INFO L132 encePairwiseOnDemand]: 58/74 looper letters, 184 selfloop transitions, 256 changer transitions 3/446 dead transitions. [2021-03-26 13:12:18,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 446 transitions, 10769 flow [2021-03-26 13:12:18,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:12:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:12:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 133 transitions. [2021-03-26 13:12:18,788 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16339066339066338 [2021-03-26 13:12:18,788 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 133 transitions. [2021-03-26 13:12:18,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 133 transitions. [2021-03-26 13:12:18,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:18,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 133 transitions. [2021-03-26 13:12:18,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.090909090909092) internal successors, (133), 11 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) [2021-03-26 13:12:18,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:18,790 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:18,790 INFO L185 Difference]: Start difference. First operand has 208 places, 341 transitions, 7264 flow. Second operand 11 states and 133 transitions. [2021-03-26 13:12:18,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 446 transitions, 10769 flow [2021-03-26 13:12:18,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 446 transitions, 10487 flow, removed 82 selfloop flow, removed 9 redundant places. [2021-03-26 13:12:18,894 INFO L241 Difference]: Finished difference. Result has 213 places, 430 transitions, 10051 flow [2021-03-26 13:12:18,894 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=6996, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10051, PETRI_PLACES=213, PETRI_TRANSITIONS=430} [2021-03-26 13:12:18,895 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 196 predicate places. [2021-03-26 13:12:18,895 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:18,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 430 transitions, 10051 flow [2021-03-26 13:12:18,896 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 430 transitions, 10051 flow [2021-03-26 13:12:18,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 430 transitions, 10051 flow [2021-03-26 13:12:19,012 INFO L129 PetriNetUnfolder]: 337/774 cut-off events. [2021-03-26 13:12:19,013 INFO L130 PetriNetUnfolder]: For 26426/26479 co-relation queries the response was YES. [2021-03-26 13:12:19,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9544 conditions, 774 events. 337/774 cut-off events. For 26426/26479 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 4867 event pairs, 37 based on Foata normal form. 0/774 useless extension candidates. Maximal degree in co-relation 9452. Up to 338 conditions per place. [2021-03-26 13:12:19,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 872 [2021-03-26 13:12:19,102 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 13:12:19,103 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 13:12:19,103 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 208 [2021-03-26 13:12:19,105 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 422 transitions, 9795 flow [2021-03-26 13:12:19,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:19,105 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:19,105 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:19,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 13:12:19,105 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:19,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:19,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1605607435, now seen corresponding path program 1 times [2021-03-26 13:12:19,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:19,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393700812] [2021-03-26 13:12:19,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:19,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:19,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:19,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:19,120 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:19,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:19,124 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:19,125 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:19,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:19,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393700812] [2021-03-26 13:12:19,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224525469] [2021-03-26 13:12:19,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:19,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:19,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:19,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:19,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:19,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:19,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:19,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:19,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:19,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:19,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:19,199 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:19,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:19,203 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:19,203 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:19,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:19,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:19,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:19,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:19,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:19,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:19,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:19,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:19,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:19,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:19,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:19,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:19,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:19,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:19,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:19,223 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:19,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:19,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:19,229 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:19,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:19,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:19,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:19,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:19,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:19,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:19,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:19,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506327044] [2021-03-26 13:12:19,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:19,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:19,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:19,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:19,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-26 13:12:19,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 422 transitions, 9795 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:19,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:19,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-26 13:12:19,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:19,756 INFO L129 PetriNetUnfolder]: 446/1025 cut-off events. [2021-03-26 13:12:19,756 INFO L130 PetriNetUnfolder]: For 37453/37646 co-relation queries the response was YES. [2021-03-26 13:12:19,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13820 conditions, 1025 events. 446/1025 cut-off events. For 37453/37646 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6822 event pairs, 21 based on Foata normal form. 36/1061 useless extension candidates. Maximal degree in co-relation 13726. Up to 520 conditions per place. [2021-03-26 13:12:19,770 INFO L132 encePairwiseOnDemand]: 55/74 looper letters, 307 selfloop transitions, 266 changer transitions 0/576 dead transitions. [2021-03-26 13:12:19,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 576 transitions, 14959 flow [2021-03-26 13:12:19,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 13:12:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 13:12:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 217 transitions. [2021-03-26 13:12:19,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13963963963963963 [2021-03-26 13:12:19,771 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 217 transitions. [2021-03-26 13:12:19,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 217 transitions. [2021-03-26 13:12:19,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:19,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 217 transitions. [2021-03-26 13:12:19,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 10.333333333333334) internal successors, (217), 21 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:19,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 74.0) internal successors, (1628), 22 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:19,773 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 74.0) internal successors, (1628), 22 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:19,773 INFO L185 Difference]: Start difference. First operand has 213 places, 422 transitions, 9795 flow. Second operand 21 states and 217 transitions. [2021-03-26 13:12:19,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 576 transitions, 14959 flow [2021-03-26 13:12:19,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 576 transitions, 14544 flow, removed 181 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:19,930 INFO L241 Difference]: Finished difference. Result has 234 places, 517 transitions, 12814 flow [2021-03-26 13:12:19,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=9140, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=12814, PETRI_PLACES=234, PETRI_TRANSITIONS=517} [2021-03-26 13:12:19,931 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 217 predicate places. [2021-03-26 13:12:19,931 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:19,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 517 transitions, 12814 flow [2021-03-26 13:12:19,931 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 517 transitions, 12814 flow [2021-03-26 13:12:19,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 234 places, 517 transitions, 12814 flow [2021-03-26 13:12:20,095 INFO L129 PetriNetUnfolder]: 446/1025 cut-off events. [2021-03-26 13:12:20,095 INFO L130 PetriNetUnfolder]: For 38300/38331 co-relation queries the response was YES. [2021-03-26 13:12:20,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13156 conditions, 1025 events. 446/1025 cut-off events. For 38300/38331 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 6936 event pairs, 54 based on Foata normal form. 0/1025 useless extension candidates. Maximal degree in co-relation 13060. Up to 482 conditions per place. [2021-03-26 13:12:20,113 INFO L142 LiptonReduction]: Number of co-enabled transitions 1046 [2021-03-26 13:12:20,311 INFO L154 LiptonReduction]: Checked pairs total: 26 [2021-03-26 13:12:20,311 INFO L156 LiptonReduction]: Total number of compositions: 26 [2021-03-26 13:12:20,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 13:12:20,312 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 492 transitions, 11966 flow [2021-03-26 13:12:20,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:20,312 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:20,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:20,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:20,527 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:20,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:20,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1093270590, now seen corresponding path program 1 times [2021-03-26 13:12:20,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:20,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968801727] [2021-03-26 13:12:20,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:20,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:20,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:20,546 INFO L142 QuantifierPusher]: treesize reduction 106, result has 9.4 percent of original size [2021-03-26 13:12:20,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:20,552 INFO L142 QuantifierPusher]: treesize reduction 107, result has 24.1 percent of original size [2021-03-26 13:12:20,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:12:20,562 INFO L142 QuantifierPusher]: treesize reduction 51, result has 41.4 percent of original size [2021-03-26 13:12:20,562 INFO L147 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size 25 [2021-03-26 13:12:20,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:20,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968801727] [2021-03-26 13:12:20,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072580503] [2021-03-26 13:12:20,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:20,607 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:12:20,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:20,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,629 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:20,630 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:20,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:20,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:20,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:20,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:20,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:20,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:20,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:20,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:20,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:20,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:20,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:20,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:20,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:20,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:20,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:20,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:20,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:20,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:20,663 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.9 percent of original size 47 [2021-03-26 13:12:20,664 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.9 percent of original size [2021-03-26 13:12:20,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:20,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:20,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:12:20,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:20,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 51 [2021-03-26 13:12:20,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:20,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:20,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:20,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:20,693 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:20,693 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:54 [2021-03-26 13:12:20,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:20,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:20,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:12:20,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:20,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:12:20,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:20,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:20,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:12:20,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:20,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2021-03-26 13:12:20,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:20,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:20,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:20,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:20,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:20,734 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2021-03-26 13:12:20,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:20,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:20,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:20,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:20,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:20,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024530657] [2021-03-26 13:12:20,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:20,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:20,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:20,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:20,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 76 [2021-03-26 13:12:20,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 492 transitions, 11966 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:20,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:20,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 76 [2021-03-26 13:12:20,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:21,206 INFO L129 PetriNetUnfolder]: 410/918 cut-off events. [2021-03-26 13:12:21,207 INFO L130 PetriNetUnfolder]: For 31542/31649 co-relation queries the response was YES. [2021-03-26 13:12:21,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12584 conditions, 918 events. 410/918 cut-off events. For 31542/31649 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5918 event pairs, 31 based on Foata normal form. 21/939 useless extension candidates. Maximal degree in co-relation 12486. Up to 815 conditions per place. [2021-03-26 13:12:21,219 INFO L132 encePairwiseOnDemand]: 62/76 looper letters, 385 selfloop transitions, 84 changer transitions 1/473 dead transitions. [2021-03-26 13:12:21,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 473 transitions, 12257 flow [2021-03-26 13:12:21,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:12:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:12:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 128 transitions. [2021-03-26 13:12:21,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14035087719298245 [2021-03-26 13:12:21,221 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 128 transitions. [2021-03-26 13:12:21,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 128 transitions. [2021-03-26 13:12:21,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:21,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 128 transitions. [2021-03-26 13:12:21,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 12 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) [2021-03-26 13:12:21,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 76.0) internal successors, (988), 13 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:21,222 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 76.0) internal successors, (988), 13 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:21,222 INFO L185 Difference]: Start difference. First operand has 233 places, 492 transitions, 11966 flow. Second operand 12 states and 128 transitions. [2021-03-26 13:12:21,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 473 transitions, 12257 flow [2021-03-26 13:12:21,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 473 transitions, 11956 flow, removed 98 selfloop flow, removed 9 redundant places. [2021-03-26 13:12:21,366 INFO L241 Difference]: Finished difference. Result has 240 places, 471 transitions, 11194 flow [2021-03-26 13:12:21,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=10532, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11194, PETRI_PLACES=240, PETRI_TRANSITIONS=471} [2021-03-26 13:12:21,367 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 223 predicate places. [2021-03-26 13:12:21,367 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:21,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 471 transitions, 11194 flow [2021-03-26 13:12:21,367 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 471 transitions, 11194 flow [2021-03-26 13:12:21,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 471 transitions, 11194 flow [2021-03-26 13:12:21,500 INFO L129 PetriNetUnfolder]: 410/918 cut-off events. [2021-03-26 13:12:21,500 INFO L130 PetriNetUnfolder]: For 31050/31083 co-relation queries the response was YES. [2021-03-26 13:12:21,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11729 conditions, 918 events. 410/918 cut-off events. For 31050/31083 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 5988 event pairs, 37 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 11629. Up to 435 conditions per place. [2021-03-26 13:12:21,516 INFO L142 LiptonReduction]: Number of co-enabled transitions 958 [2021-03-26 13:12:21,842 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 13:12:21,842 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 13:12:21,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 475 [2021-03-26 13:12:21,842 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 467 transitions, 11155 flow [2021-03-26 13:12:21,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:21,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:21,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:22,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-03-26 13:12:22,057 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:22,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:22,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1605609016, now seen corresponding path program 1 times [2021-03-26 13:12:22,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:22,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267738494] [2021-03-26 13:12:22,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:22,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:22,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:22,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:22,094 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-03-26 13:12:22,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:22,102 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 13:12:22,102 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 13:12:22,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:22,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267738494] [2021-03-26 13:12:22,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801850997] [2021-03-26 13:12:22,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:22,152 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:12:22,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:22,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,166 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:22,166 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:22,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,188 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:22,189 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:22,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:22,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:22,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:22,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:22,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:22,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:22,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:22,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:22,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:22,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:22,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:22,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:22,209 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:22,209 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:22,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:22,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:22,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:22,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:22,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:22,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:22,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:22,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:22,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:22,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:22,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2021-03-26 13:12:22,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:22,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:22,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:22,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:22,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:22,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:22,239 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:24 [2021-03-26 13:12:22,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:22,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:22,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:22,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:22,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:22,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:22,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:22,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:22,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995562661] [2021-03-26 13:12:22,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:22,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:22,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:22,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:22,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 82 [2021-03-26 13:12:22,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 467 transitions, 11155 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:22,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:22,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 82 [2021-03-26 13:12:22,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:22,783 INFO L129 PetriNetUnfolder]: 417/935 cut-off events. [2021-03-26 13:12:22,783 INFO L130 PetriNetUnfolder]: For 32521/32885 co-relation queries the response was YES. [2021-03-26 13:12:22,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13043 conditions, 935 events. 417/935 cut-off events. For 32521/32885 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6019 event pairs, 23 based on Foata normal form. 45/979 useless extension candidates. Maximal degree in co-relation 12941. Up to 796 conditions per place. [2021-03-26 13:12:22,796 INFO L132 encePairwiseOnDemand]: 58/82 looper letters, 360 selfloop transitions, 116 changer transitions 17/496 dead transitions. [2021-03-26 13:12:22,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 496 transitions, 13026 flow [2021-03-26 13:12:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 13:12:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 13:12:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 164 transitions. [2021-03-26 13:12:22,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13333333333333333 [2021-03-26 13:12:22,797 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 164 transitions. [2021-03-26 13:12:22,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 164 transitions. [2021-03-26 13:12:22,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:22,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 164 transitions. [2021-03-26 13:12:22,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 10.933333333333334) internal successors, (164), 15 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:22,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 82.0) internal successors, (1312), 16 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:22,798 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 82.0) internal successors, (1312), 16 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:22,798 INFO L185 Difference]: Start difference. First operand has 238 places, 467 transitions, 11155 flow. Second operand 15 states and 164 transitions. [2021-03-26 13:12:22,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 496 transitions, 13026 flow [2021-03-26 13:12:22,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 496 transitions, 12881 flow, removed 66 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:22,970 INFO L241 Difference]: Finished difference. Result has 253 places, 471 transitions, 11453 flow [2021-03-26 13:12:22,971 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=10967, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11453, PETRI_PLACES=253, PETRI_TRANSITIONS=471} [2021-03-26 13:12:22,971 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 236 predicate places. [2021-03-26 13:12:22,971 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:22,971 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 471 transitions, 11453 flow [2021-03-26 13:12:22,971 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 471 transitions, 11453 flow [2021-03-26 13:12:22,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 471 transitions, 11453 flow [2021-03-26 13:12:23,110 INFO L129 PetriNetUnfolder]: 412/916 cut-off events. [2021-03-26 13:12:23,110 INFO L130 PetriNetUnfolder]: For 32390/32478 co-relation queries the response was YES. [2021-03-26 13:12:23,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11907 conditions, 916 events. 412/916 cut-off events. For 32390/32478 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 5895 event pairs, 35 based on Foata normal form. 1/917 useless extension candidates. Maximal degree in co-relation 11804. Up to 435 conditions per place. [2021-03-26 13:12:23,128 INFO L142 LiptonReduction]: Number of co-enabled transitions 958 [2021-03-26 13:12:23,224 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:12:23,224 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:12:23,224 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-03-26 13:12:23,225 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 470 transitions, 11432 flow [2021-03-26 13:12:23,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:23,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:23,225 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:12:23,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-26 13:12:23,440 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:23,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:23,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1665884776, now seen corresponding path program 1 times [2021-03-26 13:12:23,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:23,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735566330] [2021-03-26 13:12:23,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:23,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:23,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:23,454 INFO L142 QuantifierPusher]: treesize reduction 110, result has 26.7 percent of original size [2021-03-26 13:12:23,454 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-26 13:12:23,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:23,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:23,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735566330] [2021-03-26 13:12:23,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:23,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:12:23,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374510386] [2021-03-26 13:12:23,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:12:23,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:23,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:12:23,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:12:23,471 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 83 [2021-03-26 13:12:23,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 470 transitions, 11432 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:23,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:23,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 83 [2021-03-26 13:12:23,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:23,798 INFO L129 PetriNetUnfolder]: 412/914 cut-off events. [2021-03-26 13:12:23,798 INFO L130 PetriNetUnfolder]: For 32392/32795 co-relation queries the response was YES. [2021-03-26 13:12:23,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12815 conditions, 914 events. 412/914 cut-off events. For 32392/32795 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 5760 event pairs, 25 based on Foata normal form. 28/942 useless extension candidates. Maximal degree in co-relation 12710. Up to 825 conditions per place. [2021-03-26 13:12:23,811 INFO L132 encePairwiseOnDemand]: 66/83 looper letters, 398 selfloop transitions, 72 changer transitions 0/473 dead transitions. [2021-03-26 13:12:23,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 473 transitions, 12468 flow [2021-03-26 13:12:23,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:12:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:12:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2021-03-26 13:12:23,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1614457831325301 [2021-03-26 13:12:23,812 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 67 transitions. [2021-03-26 13:12:23,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 67 transitions. [2021-03-26 13:12:23,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:23,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 67 transitions. [2021-03-26 13:12:23,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:23,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:23,813 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:23,813 INFO L185 Difference]: Start difference. First operand has 247 places, 470 transitions, 11432 flow. Second operand 5 states and 67 transitions. [2021-03-26 13:12:23,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 473 transitions, 12468 flow [2021-03-26 13:12:24,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 473 transitions, 12228 flow, removed 47 selfloop flow, removed 9 redundant places. [2021-03-26 13:12:24,033 INFO L241 Difference]: Finished difference. Result has 243 places, 472 transitions, 11483 flow [2021-03-26 13:12:24,034 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=11200, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=11483, PETRI_PLACES=243, PETRI_TRANSITIONS=472} [2021-03-26 13:12:24,034 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 226 predicate places. [2021-03-26 13:12:24,034 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:24,034 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 472 transitions, 11483 flow [2021-03-26 13:12:24,034 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 472 transitions, 11483 flow [2021-03-26 13:12:24,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 472 transitions, 11483 flow [2021-03-26 13:12:24,172 INFO L129 PetriNetUnfolder]: 412/914 cut-off events. [2021-03-26 13:12:24,173 INFO L130 PetriNetUnfolder]: For 33791/33997 co-relation queries the response was YES. [2021-03-26 13:12:24,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11947 conditions, 914 events. 412/914 cut-off events. For 33791/33997 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5864 event pairs, 30 based on Foata normal form. 1/915 useless extension candidates. Maximal degree in co-relation 11845. Up to 432 conditions per place. [2021-03-26 13:12:24,190 INFO L142 LiptonReduction]: Number of co-enabled transitions 960 [2021-03-26 13:12:24,282 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:24,282 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:24,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 249 [2021-03-26 13:12:24,283 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 471 transitions, 11446 flow [2021-03-26 13:12:24,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:24,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:24,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:24,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 13:12:24,283 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:24,283 INFO L82 PathProgramCache]: Analyzing trace with hash -102820704, now seen corresponding path program 1 times [2021-03-26 13:12:24,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:24,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400319553] [2021-03-26 13:12:24,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:24,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:24,332 INFO L142 QuantifierPusher]: treesize reduction 116, result has 25.6 percent of original size [2021-03-26 13:12:24,332 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-26 13:12:24,345 INFO L142 QuantifierPusher]: treesize reduction 103, result has 39.8 percent of original size [2021-03-26 13:12:24,361 INFO L147 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size 43 [2021-03-26 13:12:24,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:24,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400319553] [2021-03-26 13:12:24,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965879410] [2021-03-26 13:12:24,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 13:12:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:24,472 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:12:24,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:24,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:24,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:24,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:24,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:24,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:24,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:24,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:24,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:24,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:24,483 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 13:12:24,484 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 13:12:24,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:24,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:24,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:24,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:24,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 48 [2021-03-26 13:12:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:24,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:24,517 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:24,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:24,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:24,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:54 [2021-03-26 13:12:24,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:24,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:24,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:24,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:24,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:24,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:24,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:12:24,549 INFO L147 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size 104 [2021-03-26 13:12:24,550 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-26 13:12:24,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:12:24,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-26 13:12:24,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:12:24,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-26 13:12:24,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 120 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 132 [2021-03-26 13:12:24,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-26 13:12:24,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-26 13:12:24,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:24,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:12:24,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:24,652 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:117 [2021-03-26 13:12:24,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:12:24,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:12:24,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:12:24,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-03-26 13:12:24,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:24,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-26 13:12:24,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:24,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:24,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-26 13:12:24,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:24,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 146 [2021-03-26 13:12:24,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:12:24,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:12:24,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:24,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-26 13:12:24,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:24,773 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:101 [2021-03-26 13:12:24,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-26 13:12:24,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:24,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-26 13:12:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:24,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:24,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:12:24,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175598709] [2021-03-26 13:12:24,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:12:24,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:24,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:12:24,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:12:24,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 83 [2021-03-26 13:12:24,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 471 transitions, 11446 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:24,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:24,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 83 [2021-03-26 13:12:24,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:25,309 INFO L129 PetriNetUnfolder]: 412/917 cut-off events. [2021-03-26 13:12:25,309 INFO L130 PetriNetUnfolder]: For 35014/35520 co-relation queries the response was YES. [2021-03-26 13:12:25,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12914 conditions, 917 events. 412/917 cut-off events. For 35014/35520 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 5804 event pairs, 26 based on Foata normal form. 34/951 useless extension candidates. Maximal degree in co-relation 12810. Up to 825 conditions per place. [2021-03-26 13:12:25,322 INFO L132 encePairwiseOnDemand]: 66/83 looper letters, 398 selfloop transitions, 74 changer transitions 1/476 dead transitions. [2021-03-26 13:12:25,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 476 transitions, 12560 flow [2021-03-26 13:12:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:12:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:12:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 93 transitions. [2021-03-26 13:12:25,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14006024096385541 [2021-03-26 13:12:25,323 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 93 transitions. [2021-03-26 13:12:25,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 93 transitions. [2021-03-26 13:12:25,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:25,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 93 transitions. [2021-03-26 13:12:25,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:25,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 83.0) internal successors, (747), 9 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:25,324 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 83.0) internal successors, (747), 9 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:25,324 INFO L185 Difference]: Start difference. First operand has 243 places, 471 transitions, 11446 flow. Second operand 8 states and 93 transitions. [2021-03-26 13:12:25,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 476 transitions, 12560 flow [2021-03-26 13:12:25,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 476 transitions, 12545 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 13:12:25,589 INFO L241 Difference]: Finished difference. Result has 251 places, 474 transitions, 11770 flow [2021-03-26 13:12:25,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=11431, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11770, PETRI_PLACES=251, PETRI_TRANSITIONS=474} [2021-03-26 13:12:25,590 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 234 predicate places. [2021-03-26 13:12:25,590 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:25,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 474 transitions, 11770 flow [2021-03-26 13:12:25,591 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 474 transitions, 11770 flow [2021-03-26 13:12:25,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 474 transitions, 11770 flow [2021-03-26 13:12:25,841 INFO L129 PetriNetUnfolder]: 412/916 cut-off events. [2021-03-26 13:12:25,842 INFO L130 PetriNetUnfolder]: For 37453/37540 co-relation queries the response was YES. [2021-03-26 13:12:25,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12427 conditions, 916 events. 412/916 cut-off events. For 37453/37540 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 5943 event pairs, 33 based on Foata normal form. 0/916 useless extension candidates. Maximal degree in co-relation 12321. Up to 434 conditions per place. [2021-03-26 13:12:25,872 INFO L142 LiptonReduction]: Number of co-enabled transitions 964 [2021-03-26 13:12:26,343 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:12:26,343 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:12:26,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 753 [2021-03-26 13:12:26,344 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 471 transitions, 11667 flow [2021-03-26 13:12:26,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:26,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:26,344 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:26,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-26 13:12:26,546 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:26,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:26,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1639779262, now seen corresponding path program 1 times [2021-03-26 13:12:26,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:26,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447928522] [2021-03-26 13:12:26,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:26,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:26,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:26,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:26,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:26,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:26,585 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-26 13:12:26,585 INFO L147 QuantifierPusher]: treesize reduction 9, result has 35.7 percent of original size 5 [2021-03-26 13:12:26,598 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 13:12:26,601 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 13:12:26,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:26,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:26,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447928522] [2021-03-26 13:12:26,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:26,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:12:26,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226517041] [2021-03-26 13:12:26,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:12:26,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:26,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:12:26,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:12:26,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 85 [2021-03-26 13:12:26,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 471 transitions, 11667 flow. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:26,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:26,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 85 [2021-03-26 13:12:26,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:27,078 INFO L129 PetriNetUnfolder]: 454/1020 cut-off events. [2021-03-26 13:12:27,078 INFO L130 PetriNetUnfolder]: For 44066/44450 co-relation queries the response was YES. [2021-03-26 13:12:27,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14872 conditions, 1020 events. 454/1020 cut-off events. For 44066/44450 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 6700 event pairs, 24 based on Foata normal form. 26/1046 useless extension candidates. Maximal degree in co-relation 14764. Up to 757 conditions per place. [2021-03-26 13:12:27,093 INFO L132 encePairwiseOnDemand]: 66/85 looper letters, 374 selfloop transitions, 159 changer transitions 0/536 dead transitions. [2021-03-26 13:12:27,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 536 transitions, 14631 flow [2021-03-26 13:12:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:12:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:12:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-03-26 13:12:27,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1477124183006536 [2021-03-26 13:12:27,094 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-03-26 13:12:27,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-03-26 13:12:27,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:27,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-03-26 13:12:27,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 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) [2021-03-26 13:12:27,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:27,095 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:27,095 INFO L185 Difference]: Start difference. First operand has 248 places, 471 transitions, 11667 flow. Second operand 9 states and 113 transitions. [2021-03-26 13:12:27,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 536 transitions, 14631 flow [2021-03-26 13:12:27,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 536 transitions, 14328 flow, removed 36 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:27,492 INFO L241 Difference]: Finished difference. Result has 253 places, 506 transitions, 12948 flow [2021-03-26 13:12:27,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=11431, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=12948, PETRI_PLACES=253, PETRI_TRANSITIONS=506} [2021-03-26 13:12:27,493 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 236 predicate places. [2021-03-26 13:12:27,493 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:27,493 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 506 transitions, 12948 flow [2021-03-26 13:12:27,493 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 506 transitions, 12948 flow [2021-03-26 13:12:27,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 506 transitions, 12948 flow [2021-03-26 13:12:27,744 INFO L129 PetriNetUnfolder]: 454/1020 cut-off events. [2021-03-26 13:12:27,744 INFO L130 PetriNetUnfolder]: For 41807/41924 co-relation queries the response was YES. [2021-03-26 13:12:27,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13709 conditions, 1020 events. 454/1020 cut-off events. For 41807/41924 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6759 event pairs, 42 based on Foata normal form. 1/1021 useless extension candidates. Maximal degree in co-relation 13602. Up to 502 conditions per place. [2021-03-26 13:12:27,764 INFO L142 LiptonReduction]: Number of co-enabled transitions 1028 [2021-03-26 13:12:27,848 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:12:27,849 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 13:12:27,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 356 [2021-03-26 13:12:27,849 INFO L480 AbstractCegarLoop]: Abstraction has has 253 places, 502 transitions, 12798 flow [2021-03-26 13:12:27,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:27,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:27,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:27,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 13:12:27,849 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:27,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:27,850 INFO L82 PathProgramCache]: Analyzing trace with hash -102817139, now seen corresponding path program 1 times [2021-03-26 13:12:27,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:27,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212324354] [2021-03-26 13:12:27,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:27,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:27,864 INFO L142 QuantifierPusher]: treesize reduction 249, result has 32.0 percent of original size [2021-03-26 13:12:27,865 INFO L147 QuantifierPusher]: treesize reduction 19, result has 83.8 percent of original size 98 [2021-03-26 13:12:27,910 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:27,910 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:27,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:27,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212324354] [2021-03-26 13:12:27,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806870842] [2021-03-26 13:12:27,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:27,941 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:27,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:27,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:27,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:27,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:27,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:27,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:27,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:27,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:27,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:12:27,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:27,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:27,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:12:27,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:27,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:27,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:12:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:27,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 38 [2021-03-26 13:12:27,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:12:27,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:12:27,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:27,973 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:27,974 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:27,974 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:44 [2021-03-26 13:12:27,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:27,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:27,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:27,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:27,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:27,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:12:27,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:27,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:12:27,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:12:27,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:27,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:12:27,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:12:27,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:27,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:27,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:12:27,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:12:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 153 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 114 [2021-03-26 13:12:28,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:12:28,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:12:28,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:28,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:28,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:28,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:99 [2021-03-26 13:12:28,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:28,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:12:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:12:28,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:12:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:12:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:28,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:12:28,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:12:28,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:12:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:12:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:28,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 152 [2021-03-26 13:12:28,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:12:28,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:12:28,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:28,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:28,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-26 13:12:28,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:28,152 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:104 [2021-03-26 13:12:28,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:28,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-26 13:12:28,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:28,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:28,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:28,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-26 13:12:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:28,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:28,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:12:28,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597840796] [2021-03-26 13:12:28,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:12:28,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:28,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:12:28,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:12:28,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 85 [2021-03-26 13:12:28,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 502 transitions, 12798 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:28,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:28,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 85 [2021-03-26 13:12:28,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:28,726 INFO L129 PetriNetUnfolder]: 449/1008 cut-off events. [2021-03-26 13:12:28,726 INFO L130 PetriNetUnfolder]: For 41670/42062 co-relation queries the response was YES. [2021-03-26 13:12:28,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14561 conditions, 1008 events. 449/1008 cut-off events. For 41670/42062 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 6596 event pairs, 35 based on Foata normal form. 17/1025 useless extension candidates. Maximal degree in co-relation 14452. Up to 910 conditions per place. [2021-03-26 13:12:28,741 INFO L132 encePairwiseOnDemand]: 69/85 looper letters, 425 selfloop transitions, 69 changer transitions 5/502 dead transitions. [2021-03-26 13:12:28,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 502 transitions, 13799 flow [2021-03-26 13:12:28,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:12:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:12:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 83 transitions. [2021-03-26 13:12:28,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13949579831932774 [2021-03-26 13:12:28,742 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 83 transitions. [2021-03-26 13:12:28,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 83 transitions. [2021-03-26 13:12:28,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:28,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 83 transitions. [2021-03-26 13:12:28,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 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) [2021-03-26 13:12:28,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 85.0) internal successors, (680), 8 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:28,743 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 85.0) internal successors, (680), 8 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:28,743 INFO L185 Difference]: Start difference. First operand has 253 places, 502 transitions, 12798 flow. Second operand 7 states and 83 transitions. [2021-03-26 13:12:28,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 502 transitions, 13799 flow [2021-03-26 13:12:28,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 502 transitions, 13771 flow, removed 14 selfloop flow, removed 0 redundant places. [2021-03-26 13:12:28,943 INFO L241 Difference]: Finished difference. Result has 260 places, 496 transitions, 12708 flow [2021-03-26 13:12:28,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=12677, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12708, PETRI_PLACES=260, PETRI_TRANSITIONS=496} [2021-03-26 13:12:28,943 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 243 predicate places. [2021-03-26 13:12:28,944 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:28,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 496 transitions, 12708 flow [2021-03-26 13:12:28,944 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 496 transitions, 12708 flow [2021-03-26 13:12:28,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 496 transitions, 12708 flow [2021-03-26 13:12:29,134 INFO L129 PetriNetUnfolder]: 448/1003 cut-off events. [2021-03-26 13:12:29,135 INFO L130 PetriNetUnfolder]: For 41703/41851 co-relation queries the response was YES. [2021-03-26 13:12:29,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13686 conditions, 1003 events. 448/1003 cut-off events. For 41703/41851 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6644 event pairs, 40 based on Foata normal form. 1/1004 useless extension candidates. Maximal degree in co-relation 13576. Up to 492 conditions per place. [2021-03-26 13:12:29,156 INFO L142 LiptonReduction]: Number of co-enabled transitions 1006 [2021-03-26 13:12:29,316 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:12:29,317 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 13:12:29,317 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 373 [2021-03-26 13:12:29,317 INFO L480 AbstractCegarLoop]: Abstraction has has 255 places, 492 transitions, 12588 flow [2021-03-26 13:12:29,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:29,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:29,317 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:29,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-26 13:12:29,532 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:29,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:29,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1335540218, now seen corresponding path program 1 times [2021-03-26 13:12:29,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:29,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246194263] [2021-03-26 13:12:29,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:29,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:29,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:29,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:29,545 INFO L142 QuantifierPusher]: treesize reduction 34, result has 24.4 percent of original size [2021-03-26 13:12:29,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:29,550 INFO L142 QuantifierPusher]: treesize reduction 40, result has 37.5 percent of original size [2021-03-26 13:12:29,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:29,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:29,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:29,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246194263] [2021-03-26 13:12:29,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471756374] [2021-03-26 13:12:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:29,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:29,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:29,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:29,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:29,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:29,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:29,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:29,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:29,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:29,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:29,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:29,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:29,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:29,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:29,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:29,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:29,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:29,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:29,633 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:29,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:29,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:29,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:29,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:29,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:29,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:29,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:29,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:29,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:29,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:29,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:29,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:29,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:29,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:29,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:29,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2021-03-26 13:12:29,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:29,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:29,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:29,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:29,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:29,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:29,663 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:24 [2021-03-26 13:12:29,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:29,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:29,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:29,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:29,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:12:29,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:29,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:29,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-26 13:12:29,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7236986] [2021-03-26 13:12:29,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 13:12:29,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:29,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 13:12:29,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-03-26 13:12:29,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 86 [2021-03-26 13:12:29,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 492 transitions, 12588 flow. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:29,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:29,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 86 [2021-03-26 13:12:29,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:30,368 INFO L129 PetriNetUnfolder]: 526/1182 cut-off events. [2021-03-26 13:12:30,368 INFO L130 PetriNetUnfolder]: For 51560/51952 co-relation queries the response was YES. [2021-03-26 13:12:30,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17392 conditions, 1182 events. 526/1182 cut-off events. For 51560/51952 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 7999 event pairs, 32 based on Foata normal form. 31/1213 useless extension candidates. Maximal degree in co-relation 17282. Up to 858 conditions per place. [2021-03-26 13:12:30,386 INFO L132 encePairwiseOnDemand]: 66/86 looper letters, 420 selfloop transitions, 192 changer transitions 0/615 dead transitions. [2021-03-26 13:12:30,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 615 transitions, 17312 flow [2021-03-26 13:12:30,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 13:12:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 13:12:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 200 transitions. [2021-03-26 13:12:30,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12239902080783353 [2021-03-26 13:12:30,387 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 200 transitions. [2021-03-26 13:12:30,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 200 transitions. [2021-03-26 13:12:30,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:30,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 200 transitions. [2021-03-26 13:12:30,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 10.526315789473685) internal successors, (200), 19 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:30,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 86.0) internal successors, (1720), 20 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:30,389 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 86.0) internal successors, (1720), 20 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:30,389 INFO L185 Difference]: Start difference. First operand has 255 places, 492 transitions, 12588 flow. Second operand 19 states and 200 transitions. [2021-03-26 13:12:30,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 615 transitions, 17312 flow [2021-03-26 13:12:30,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 615 transitions, 16754 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-03-26 13:12:30,637 INFO L241 Difference]: Finished difference. Result has 268 places, 560 transitions, 14698 flow [2021-03-26 13:12:30,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=12160, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=14698, PETRI_PLACES=268, PETRI_TRANSITIONS=560} [2021-03-26 13:12:30,638 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 251 predicate places. [2021-03-26 13:12:30,638 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:30,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 560 transitions, 14698 flow [2021-03-26 13:12:30,638 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 560 transitions, 14698 flow [2021-03-26 13:12:30,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 560 transitions, 14698 flow [2021-03-26 13:12:30,938 INFO L129 PetriNetUnfolder]: 526/1182 cut-off events. [2021-03-26 13:12:30,938 INFO L130 PetriNetUnfolder]: For 48680/48726 co-relation queries the response was YES. [2021-03-26 13:12:30,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15913 conditions, 1182 events. 526/1182 cut-off events. For 48680/48726 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8080 event pairs, 49 based on Foata normal form. 1/1183 useless extension candidates. Maximal degree in co-relation 15803. Up to 605 conditions per place. [2021-03-26 13:12:30,971 INFO L142 LiptonReduction]: Number of co-enabled transitions 1134 [2021-03-26 13:12:31,128 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 13:12:31,128 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 13:12:31,128 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-26 13:12:31,129 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 555 transitions, 14531 flow [2021-03-26 13:12:31,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:31,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:31,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:31,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-26 13:12:31,335 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:31,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:31,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1711791562, now seen corresponding path program 1 times [2021-03-26 13:12:31,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:31,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710815605] [2021-03-26 13:12:31,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:31,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:31,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:31,354 INFO L142 QuantifierPusher]: treesize reduction 112, result has 4.3 percent of original size [2021-03-26 13:12:31,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:31,359 INFO L142 QuantifierPusher]: treesize reduction 112, result has 20.6 percent of original size [2021-03-26 13:12:31,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:31,368 INFO L142 QuantifierPusher]: treesize reduction 48, result has 44.8 percent of original size [2021-03-26 13:12:31,369 INFO L147 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size 25 [2021-03-26 13:12:31,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:31,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710815605] [2021-03-26 13:12:31,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143830966] [2021-03-26 13:12:31,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:31,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:12:31,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:31,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:31,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:31,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:31,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:31,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:31,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:31,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:31,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:31,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:31,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:31,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:31,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:31,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:31,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:31,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:31,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:31,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:31,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:31,458 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:31,458 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:31,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:31,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:31,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:31,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:31,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:31,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:31,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:12:31,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:31,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:12:31,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:31,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:12:31,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:12:31,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:12:31,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:31,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:12:31,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:31,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,536 INFO L354 Elim1Store]: treesize reduction 202, result has 11.8 percent of original size [2021-03-26 13:12:31,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 49 [2021-03-26 13:12:31,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:31,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:31,538 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:31,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:31,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:12:31,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:31,554 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:57 [2021-03-26 13:12:31,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:12:31,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:12:31,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:31,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:12:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:31,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:12:31,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:31,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:31,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:31,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:31,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:12:31,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:12:31,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:31,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:12:31,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:31,638 INFO L354 Elim1Store]: treesize reduction 166, result has 14.0 percent of original size [2021-03-26 13:12:31,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 72 [2021-03-26 13:12:31,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:31,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:31,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:31,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:31,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:31,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:31,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:31,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:31,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:31,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:31,660 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:63, output treesize:62 [2021-03-26 13:12:31,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:31,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:31,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:31,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:12:31,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:31,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:31,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:31,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:31,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:12:31,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:31,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:31,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:31,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369645872] [2021-03-26 13:12:31,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:31,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:31,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:31,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:31,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 88 [2021-03-26 13:12:31,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 555 transitions, 14531 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:31,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:31,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 88 [2021-03-26 13:12:31,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:32,291 INFO L129 PetriNetUnfolder]: 532/1193 cut-off events. [2021-03-26 13:12:32,291 INFO L130 PetriNetUnfolder]: For 48445/48839 co-relation queries the response was YES. [2021-03-26 13:12:32,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17246 conditions, 1193 events. 532/1193 cut-off events. For 48445/48839 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8130 event pairs, 42 based on Foata normal form. 16/1209 useless extension candidates. Maximal degree in co-relation 17134. Up to 1048 conditions per place. [2021-03-26 13:12:32,309 INFO L132 encePairwiseOnDemand]: 73/88 looper letters, 473 selfloop transitions, 103 changer transitions 1/580 dead transitions. [2021-03-26 13:12:32,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 580 transitions, 16232 flow [2021-03-26 13:12:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 13:12:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 13:12:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 139 transitions. [2021-03-26 13:12:32,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1215034965034965 [2021-03-26 13:12:32,310 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 139 transitions. [2021-03-26 13:12:32,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 139 transitions. [2021-03-26 13:12:32,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:32,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 139 transitions. [2021-03-26 13:12:32,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 10.692307692307692) internal successors, (139), 13 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:32,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 88.0) internal successors, (1232), 14 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:32,312 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 88.0) internal successors, (1232), 14 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:32,312 INFO L185 Difference]: Start difference. First operand has 268 places, 555 transitions, 14531 flow. Second operand 13 states and 139 transitions. [2021-03-26 13:12:32,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 580 transitions, 16232 flow [2021-03-26 13:12:32,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 580 transitions, 16103 flow, removed 31 selfloop flow, removed 9 redundant places. [2021-03-26 13:12:32,553 INFO L241 Difference]: Finished difference. Result has 275 places, 569 transitions, 14979 flow [2021-03-26 13:12:32,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=14302, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14979, PETRI_PLACES=275, PETRI_TRANSITIONS=569} [2021-03-26 13:12:32,554 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 258 predicate places. [2021-03-26 13:12:32,554 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:32,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 569 transitions, 14979 flow [2021-03-26 13:12:32,554 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 569 transitions, 14979 flow [2021-03-26 13:12:32,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 274 places, 569 transitions, 14979 flow [2021-03-26 13:12:32,791 INFO L129 PetriNetUnfolder]: 532/1192 cut-off events. [2021-03-26 13:12:32,791 INFO L130 PetriNetUnfolder]: For 50919/51005 co-relation queries the response was YES. [2021-03-26 13:12:32,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16389 conditions, 1192 events. 532/1192 cut-off events. For 50919/51005 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8165 event pairs, 50 based on Foata normal form. 0/1192 useless extension candidates. Maximal degree in co-relation 16274. Up to 603 conditions per place. [2021-03-26 13:12:32,816 INFO L142 LiptonReduction]: Number of co-enabled transitions 1152 [2021-03-26 13:12:32,946 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:12:32,946 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:12:32,946 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 392 [2021-03-26 13:12:32,947 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 567 transitions, 14923 flow [2021-03-26 13:12:32,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:32,947 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:32,947 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:33,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:33,162 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:33,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:33,162 INFO L82 PathProgramCache]: Analyzing trace with hash -595292049, now seen corresponding path program 1 times [2021-03-26 13:12:33,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:33,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769163975] [2021-03-26 13:12:33,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:33,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:33,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:33,172 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:33,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:33,175 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:33,175 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:33,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:33,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769163975] [2021-03-26 13:12:33,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967898888] [2021-03-26 13:12:33,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 13:12:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:33,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:12:33,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:33,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:33,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:33,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:33,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:33,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:33,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:33,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:33,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:33,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:33,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:33,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:33,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:33,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:33,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:33,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:33,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:33,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:33,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:33,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:33,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:33,272 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:33,272 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:33,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:33,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:33,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:33,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:33,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:33,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:33,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:33,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:33,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:33,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:33,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:33,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:33,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:33,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:33,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:33,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:33,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:33,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:33,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:33,301 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:33,301 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:33,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:33,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:33,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:33,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:33,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:33,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:33,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:33,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:33,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888362450] [2021-03-26 13:12:33,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:33,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:33,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:33,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:33,315 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 89 [2021-03-26 13:12:33,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 567 transitions, 14923 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:33,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:33,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 89 [2021-03-26 13:12:33,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:33,814 INFO L129 PetriNetUnfolder]: 529/1183 cut-off events. [2021-03-26 13:12:33,814 INFO L130 PetriNetUnfolder]: For 51035/51381 co-relation queries the response was YES. [2021-03-26 13:12:33,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17494 conditions, 1183 events. 529/1183 cut-off events. For 51035/51381 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 8017 event pairs, 39 based on Foata normal form. 16/1199 useless extension candidates. Maximal degree in co-relation 17377. Up to 1048 conditions per place. [2021-03-26 13:12:33,831 INFO L132 encePairwiseOnDemand]: 73/89 looper letters, 479 selfloop transitions, 89 changer transitions 5/576 dead transitions. [2021-03-26 13:12:33,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 576 transitions, 16276 flow [2021-03-26 13:12:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:12:33,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:12:33,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 94 transitions. [2021-03-26 13:12:33,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13202247191011235 [2021-03-26 13:12:33,834 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 94 transitions. [2021-03-26 13:12:33,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 94 transitions. [2021-03-26 13:12:33,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:33,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 94 transitions. [2021-03-26 13:12:33,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:33,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 89.0) internal successors, (801), 9 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:33,835 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 89.0) internal successors, (801), 9 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:33,835 INFO L185 Difference]: Start difference. First operand has 273 places, 567 transitions, 14923 flow. Second operand 8 states and 94 transitions. [2021-03-26 13:12:33,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 576 transitions, 16276 flow [2021-03-26 13:12:34,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 576 transitions, 16149 flow, removed 48 selfloop flow, removed 6 redundant places. [2021-03-26 13:12:34,092 INFO L241 Difference]: Finished difference. Result has 275 places, 566 transitions, 14943 flow [2021-03-26 13:12:34,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=14804, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14943, PETRI_PLACES=275, PETRI_TRANSITIONS=566} [2021-03-26 13:12:34,092 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 258 predicate places. [2021-03-26 13:12:34,092 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:34,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 566 transitions, 14943 flow [2021-03-26 13:12:34,093 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 566 transitions, 14943 flow [2021-03-26 13:12:34,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 566 transitions, 14943 flow [2021-03-26 13:12:34,295 INFO L129 PetriNetUnfolder]: 528/1178 cut-off events. [2021-03-26 13:12:34,295 INFO L130 PetriNetUnfolder]: For 50456/50551 co-relation queries the response was YES. [2021-03-26 13:12:34,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16184 conditions, 1178 events. 528/1178 cut-off events. For 50456/50551 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8011 event pairs, 43 based on Foata normal form. 0/1178 useless extension candidates. Maximal degree in co-relation 16070. Up to 595 conditions per place. [2021-03-26 13:12:34,318 INFO L142 LiptonReduction]: Number of co-enabled transitions 1146 [2021-03-26 13:12:34,369 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:34,370 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:34,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 278 [2021-03-26 13:12:34,370 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 566 transitions, 14943 flow [2021-03-26 13:12:34,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:34,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:34,370 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:34,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-03-26 13:12:34,586 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:34,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:34,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1335539226, now seen corresponding path program 1 times [2021-03-26 13:12:34,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:34,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160287017] [2021-03-26 13:12:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:34,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:34,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:34,602 INFO L142 QuantifierPusher]: treesize reduction 56, result has 23.3 percent of original size [2021-03-26 13:12:34,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:34,609 INFO L142 QuantifierPusher]: treesize reduction 62, result has 36.1 percent of original size [2021-03-26 13:12:34,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:34,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:34,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160287017] [2021-03-26 13:12:34,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90887907] [2021-03-26 13:12:34,625 INFO L95 rtionOrderModulation]: Keeping assertion order 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) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:34,638 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:12:34,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:34,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,682 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:34,682 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:34,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,692 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:34,692 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:34,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:34,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:34,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:34,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:34,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:34,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:34,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:34,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:34,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:34,712 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:34,712 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:34,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:34,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:34,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:34,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:34,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:34,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:34,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:34,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:34,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2021-03-26 13:12:34,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:34,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:34,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:34,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:34,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:34,735 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:24 [2021-03-26 13:12:34,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:34,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:12:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:34,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:34,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-26 13:12:34,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738541003] [2021-03-26 13:12:34,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 13:12:34,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:34,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 13:12:34,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-03-26 13:12:34,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 89 [2021-03-26 13:12:34,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 566 transitions, 14943 flow. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:34,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:34,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 89 [2021-03-26 13:12:34,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:35,355 INFO L129 PetriNetUnfolder]: 545/1220 cut-off events. [2021-03-26 13:12:35,355 INFO L130 PetriNetUnfolder]: For 53631/53927 co-relation queries the response was YES. [2021-03-26 13:12:35,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18084 conditions, 1220 events. 545/1220 cut-off events. For 53631/53927 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8346 event pairs, 30 based on Foata normal form. 32/1252 useless extension candidates. Maximal degree in co-relation 17968. Up to 1092 conditions per place. [2021-03-26 13:12:35,373 INFO L132 encePairwiseOnDemand]: 67/89 looper letters, 457 selfloop transitions, 141 changer transitions 2/603 dead transitions. [2021-03-26 13:12:35,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 603 transitions, 17321 flow [2021-03-26 13:12:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 13:12:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 13:12:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 165 transitions. [2021-03-26 13:12:35,375 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12359550561797752 [2021-03-26 13:12:35,375 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 165 transitions. [2021-03-26 13:12:35,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 165 transitions. [2021-03-26 13:12:35,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:35,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 165 transitions. [2021-03-26 13:12:35,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 11.0) internal successors, (165), 15 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) [2021-03-26 13:12:35,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 89.0) internal successors, (1424), 16 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:35,376 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 89.0) internal successors, (1424), 16 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:35,376 INFO L185 Difference]: Start difference. First operand has 273 places, 566 transitions, 14943 flow. Second operand 15 states and 165 transitions. [2021-03-26 13:12:35,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 603 transitions, 17321 flow [2021-03-26 13:12:35,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 603 transitions, 17209 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:35,632 INFO L241 Difference]: Finished difference. Result has 290 places, 596 transitions, 16289 flow [2021-03-26 13:12:35,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=14846, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16289, PETRI_PLACES=290, PETRI_TRANSITIONS=596} [2021-03-26 13:12:35,632 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 273 predicate places. [2021-03-26 13:12:35,632 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:35,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 596 transitions, 16289 flow [2021-03-26 13:12:35,633 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 596 transitions, 16289 flow [2021-03-26 13:12:35,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 596 transitions, 16289 flow [2021-03-26 13:12:35,871 INFO L129 PetriNetUnfolder]: 545/1220 cut-off events. [2021-03-26 13:12:35,871 INFO L130 PetriNetUnfolder]: For 60102/60254 co-relation queries the response was YES. [2021-03-26 13:12:35,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17251 conditions, 1220 events. 545/1220 cut-off events. For 60102/60254 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 8410 event pairs, 49 based on Foata normal form. 0/1220 useless extension candidates. Maximal degree in co-relation 17130. Up to 621 conditions per place. [2021-03-26 13:12:35,898 INFO L142 LiptonReduction]: Number of co-enabled transitions 1206 [2021-03-26 13:12:36,294 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-26 13:12:36,294 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 13:12:36,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 662 [2021-03-26 13:12:36,294 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 590 transitions, 16141 flow [2021-03-26 13:12:36,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:36,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:36,294 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:36,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:36,509 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:36,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:36,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1250116361, now seen corresponding path program 1 times [2021-03-26 13:12:36,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:36,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954070057] [2021-03-26 13:12:36,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:36,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:36,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:36,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:36,523 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:36,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:36,527 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:36,527 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:36,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:36,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954070057] [2021-03-26 13:12:36,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493179623] [2021-03-26 13:12:36,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:36,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:36,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:36,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:36,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:36,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:36,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:36,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:36,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:36,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:36,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:36,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:36,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:36,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:36,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:36,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:36,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:36,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:36,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:36,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:36,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:36,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:36,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:36,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:36,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:36,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:36,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:36,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:36,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:36,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:36,637 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:36,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:36,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:36,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:36,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:36,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:36,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:36,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:36,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306468853] [2021-03-26 13:12:36,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:36,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:36,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:36,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:36,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 97 [2021-03-26 13:12:36,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 590 transitions, 16141 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:36,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:36,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 97 [2021-03-26 13:12:36,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:37,320 INFO L129 PetriNetUnfolder]: 550/1227 cut-off events. [2021-03-26 13:12:37,321 INFO L130 PetriNetUnfolder]: For 59849/60223 co-relation queries the response was YES. [2021-03-26 13:12:37,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18591 conditions, 1227 events. 550/1227 cut-off events. For 59849/60223 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8323 event pairs, 42 based on Foata normal form. 31/1257 useless extension candidates. Maximal degree in co-relation 18468. Up to 999 conditions per place. [2021-03-26 13:12:37,340 INFO L132 encePairwiseOnDemand]: 77/97 looper letters, 445 selfloop transitions, 170 changer transitions 1/619 dead transitions. [2021-03-26 13:12:37,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 619 transitions, 18031 flow [2021-03-26 13:12:37,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 13:12:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 13:12:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 199 transitions. [2021-03-26 13:12:37,343 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1079761258817146 [2021-03-26 13:12:37,343 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 199 transitions. [2021-03-26 13:12:37,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 199 transitions. [2021-03-26 13:12:37,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:37,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 199 transitions. [2021-03-26 13:12:37,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 10.473684210526315) internal successors, (199), 19 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:37,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 97.0) internal successors, (1940), 20 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:37,344 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 97.0) internal successors, (1940), 20 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:37,344 INFO L185 Difference]: Start difference. First operand has 288 places, 590 transitions, 16141 flow. Second operand 19 states and 199 transitions. [2021-03-26 13:12:37,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 619 transitions, 18031 flow [2021-03-26 13:12:37,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 619 transitions, 17849 flow, removed 83 selfloop flow, removed 5 redundant places. [2021-03-26 13:12:37,647 INFO L241 Difference]: Finished difference. Result has 307 places, 606 transitions, 16859 flow [2021-03-26 13:12:37,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=15865, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=16859, PETRI_PLACES=307, PETRI_TRANSITIONS=606} [2021-03-26 13:12:37,648 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 290 predicate places. [2021-03-26 13:12:37,648 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:37,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 606 transitions, 16859 flow [2021-03-26 13:12:37,648 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 606 transitions, 16859 flow [2021-03-26 13:12:37,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 306 places, 606 transitions, 16859 flow [2021-03-26 13:12:37,886 INFO L129 PetriNetUnfolder]: 550/1226 cut-off events. [2021-03-26 13:12:37,887 INFO L130 PetriNetUnfolder]: For 64887/65091 co-relation queries the response was YES. [2021-03-26 13:12:37,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17985 conditions, 1226 events. 550/1226 cut-off events. For 64887/65091 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8456 event pairs, 48 based on Foata normal form. 0/1226 useless extension candidates. Maximal degree in co-relation 17859. Up to 623 conditions per place. [2021-03-26 13:12:37,913 INFO L142 LiptonReduction]: Number of co-enabled transitions 1226 [2021-03-26 13:12:38,069 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 13:12:38,069 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 13:12:38,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 421 [2021-03-26 13:12:38,070 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 597 transitions, 16536 flow [2021-03-26 13:12:38,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:38,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:38,070 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:38,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:38,284 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:38,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:38,284 INFO L82 PathProgramCache]: Analyzing trace with hash -144363810, now seen corresponding path program 1 times [2021-03-26 13:12:38,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:38,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708305672] [2021-03-26 13:12:38,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:38,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:38,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:38,309 INFO L142 QuantifierPusher]: treesize reduction 95, result has 32.1 percent of original size [2021-03-26 13:12:38,309 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-03-26 13:12:38,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:38,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708305672] [2021-03-26 13:12:38,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374997874] [2021-03-26 13:12:38,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:38,362 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:12:38,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:38,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:38,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:38,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:38,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:38,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:38,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:38,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 25 [2021-03-26 13:12:38,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:38,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:38,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:38,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:38,402 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:38,402 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:31 [2021-03-26 13:12:38,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:38,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:12:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:12:38,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:12:38,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:12:38,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:12:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:38,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:38,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:38,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:12:38,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:12:38,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:38,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 45 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 71 [2021-03-26 13:12:38,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:12:38,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:12:38,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:38,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:12:38,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:38,462 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:65 [2021-03-26 13:12:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:38,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:12:38,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:38,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:38,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:38,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:12:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:38,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:38,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:12:38,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128183071] [2021-03-26 13:12:38,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:12:38,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:38,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:12:38,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:12:38,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 98 [2021-03-26 13:12:38,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 597 transitions, 16536 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:38,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:38,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 98 [2021-03-26 13:12:38,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:39,227 INFO L129 PetriNetUnfolder]: 540/1208 cut-off events. [2021-03-26 13:12:39,228 INFO L130 PetriNetUnfolder]: For 64486/64965 co-relation queries the response was YES. [2021-03-26 13:12:39,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18900 conditions, 1208 events. 540/1208 cut-off events. For 64486/64965 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8220 event pairs, 32 based on Foata normal form. 34/1242 useless extension candidates. Maximal degree in co-relation 18772. Up to 1113 conditions per place. [2021-03-26 13:12:39,254 INFO L132 encePairwiseOnDemand]: 77/98 looper letters, 487 selfloop transitions, 97 changer transitions 5/592 dead transitions. [2021-03-26 13:12:39,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 592 transitions, 17554 flow [2021-03-26 13:12:39,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:12:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:12:39,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 96 transitions. [2021-03-26 13:12:39,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12244897959183673 [2021-03-26 13:12:39,266 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 96 transitions. [2021-03-26 13:12:39,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 96 transitions. [2021-03-26 13:12:39,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:39,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 96 transitions. [2021-03-26 13:12:39,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.0) internal successors, (96), 8 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) [2021-03-26 13:12:39,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:39,267 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:39,267 INFO L185 Difference]: Start difference. First operand has 306 places, 597 transitions, 16536 flow. Second operand 8 states and 96 transitions. [2021-03-26 13:12:39,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 592 transitions, 17554 flow [2021-03-26 13:12:39,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 592 transitions, 17216 flow, removed 48 selfloop flow, removed 10 redundant places. [2021-03-26 13:12:39,698 INFO L241 Difference]: Finished difference. Result has 303 places, 586 transitions, 16062 flow [2021-03-26 13:12:39,699 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=15945, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16062, PETRI_PLACES=303, PETRI_TRANSITIONS=586} [2021-03-26 13:12:39,699 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 286 predicate places. [2021-03-26 13:12:39,699 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:39,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 586 transitions, 16062 flow [2021-03-26 13:12:39,700 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 586 transitions, 16062 flow [2021-03-26 13:12:39,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 586 transitions, 16062 flow [2021-03-26 13:12:40,004 INFO L129 PetriNetUnfolder]: 539/1203 cut-off events. [2021-03-26 13:12:40,004 INFO L130 PetriNetUnfolder]: For 60402/60444 co-relation queries the response was YES. [2021-03-26 13:12:40,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17290 conditions, 1203 events. 539/1203 cut-off events. For 60402/60444 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8241 event pairs, 46 based on Foata normal form. 0/1203 useless extension candidates. Maximal degree in co-relation 17164. Up to 609 conditions per place. [2021-03-26 13:12:40,036 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-26 13:12:40,183 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:40,183 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:40,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 484 [2021-03-26 13:12:40,183 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 585 transitions, 16058 flow [2021-03-26 13:12:40,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:12:40,183 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:40,184 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:40,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:40,400 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:40,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:40,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1300471369, now seen corresponding path program 1 times [2021-03-26 13:12:40,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:40,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757698540] [2021-03-26 13:12:40,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:40,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:40,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:40,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:40,442 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:40,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:40,446 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:40,446 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:40,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:40,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757698540] [2021-03-26 13:12:40,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793026954] [2021-03-26 13:12:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:40,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:40,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:40,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:40,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:40,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:40,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:40,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:40,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:40,525 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:40,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:40,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:40,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:40,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:40,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:40,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:40,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:40,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:40,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:40,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:40,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:40,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:40,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:40,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:40,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:40,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:40,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:40,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:40,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:40,554 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:40,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:40,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:40,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:40,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:40,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:40,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:40,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:40,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30038673] [2021-03-26 13:12:40,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:40,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:40,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:40,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:40,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 99 [2021-03-26 13:12:40,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 585 transitions, 16058 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:40,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:40,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 99 [2021-03-26 13:12:40,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:41,284 INFO L129 PetriNetUnfolder]: 556/1249 cut-off events. [2021-03-26 13:12:41,285 INFO L130 PetriNetUnfolder]: For 63949/64231 co-relation queries the response was YES. [2021-03-26 13:12:41,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19298 conditions, 1249 events. 556/1249 cut-off events. For 63949/64231 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8586 event pairs, 39 based on Foata normal form. 43/1292 useless extension candidates. Maximal degree in co-relation 19170. Up to 758 conditions per place. [2021-03-26 13:12:41,304 INFO L132 encePairwiseOnDemand]: 75/99 looper letters, 395 selfloop transitions, 248 changer transitions 25/671 dead transitions. [2021-03-26 13:12:41,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 671 transitions, 20003 flow [2021-03-26 13:12:41,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 13:12:41,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 13:12:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 229 transitions. [2021-03-26 13:12:41,305 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.11014911014911015 [2021-03-26 13:12:41,305 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 229 transitions. [2021-03-26 13:12:41,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 229 transitions. [2021-03-26 13:12:41,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:41,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 229 transitions. [2021-03-26 13:12:41,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 10.904761904761905) internal successors, (229), 21 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:41,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 99.0) internal successors, (2178), 22 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:41,307 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 99.0) internal successors, (2178), 22 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:41,307 INFO L185 Difference]: Start difference. First operand has 298 places, 585 transitions, 16058 flow. Second operand 21 states and 229 transitions. [2021-03-26 13:12:41,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 671 transitions, 20003 flow [2021-03-26 13:12:41,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 671 transitions, 19763 flow, removed 16 selfloop flow, removed 8 redundant places. [2021-03-26 13:12:41,638 INFO L241 Difference]: Finished difference. Result has 315 places, 608 transitions, 17252 flow [2021-03-26 13:12:41,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=15850, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=17252, PETRI_PLACES=315, PETRI_TRANSITIONS=608} [2021-03-26 13:12:41,639 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 298 predicate places. [2021-03-26 13:12:41,639 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:41,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 608 transitions, 17252 flow [2021-03-26 13:12:41,639 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 608 transitions, 17252 flow [2021-03-26 13:12:41,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 310 places, 608 transitions, 17252 flow [2021-03-26 13:12:41,877 INFO L129 PetriNetUnfolder]: 544/1210 cut-off events. [2021-03-26 13:12:41,878 INFO L130 PetriNetUnfolder]: For 60274/60371 co-relation queries the response was YES. [2021-03-26 13:12:41,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17767 conditions, 1210 events. 544/1210 cut-off events. For 60274/60371 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8275 event pairs, 45 based on Foata normal form. 0/1210 useless extension candidates. Maximal degree in co-relation 17639. Up to 617 conditions per place. [2021-03-26 13:12:41,906 INFO L142 LiptonReduction]: Number of co-enabled transitions 1230 [2021-03-26 13:12:42,086 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:42,086 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:42,086 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 447 [2021-03-26 13:12:42,087 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 607 transitions, 17250 flow [2021-03-26 13:12:42,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:42,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:42,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:42,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-03-26 13:12:42,301 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:42,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:42,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1298251496, now seen corresponding path program 1 times [2021-03-26 13:12:42,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:42,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051755179] [2021-03-26 13:12:42,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:42,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:42,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:42,325 INFO L142 QuantifierPusher]: treesize reduction 49, result has 35.5 percent of original size [2021-03-26 13:12:42,326 INFO L147 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size 22 [2021-03-26 13:12:42,345 INFO L142 QuantifierPusher]: treesize reduction 44, result has 56.9 percent of original size [2021-03-26 13:12:42,345 INFO L147 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size 40 [2021-03-26 13:12:42,386 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:42,386 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:42,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:42,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051755179] [2021-03-26 13:12:42,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851867186] [2021-03-26 13:12:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:42,419 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:12:42,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:42,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:42,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:42,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:42,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:42,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:42,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:42,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:42,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:42,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:42,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:42,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:42,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:42,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:42,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:42,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:42,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:42,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:42,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:42,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:42,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:42,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:12:42,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:42,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2021-03-26 13:12:42,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:42,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:42,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:42,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:42,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:42,497 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:27 [2021-03-26 13:12:42,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:42,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:42,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:42,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:42,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:42,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:42,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:42,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:12:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:12:42,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:42,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:12:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:42,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-03-26 13:12:42,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:42,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:12:42,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:42,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:42,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:12:42,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:42,541 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:32 [2021-03-26 13:12:42,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:42,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:12:42,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:42,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:42,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:42,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:12:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:42,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:42,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:42,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529226163] [2021-03-26 13:12:42,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:42,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:42,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:42,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:42,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 100 [2021-03-26 13:12:42,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 607 transitions, 17250 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:42,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:42,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 100 [2021-03-26 13:12:42,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:43,369 INFO L129 PetriNetUnfolder]: 554/1234 cut-off events. [2021-03-26 13:12:43,369 INFO L130 PetriNetUnfolder]: For 63325/63741 co-relation queries the response was YES. [2021-03-26 13:12:43,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19476 conditions, 1234 events. 554/1234 cut-off events. For 63325/63741 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8401 event pairs, 32 based on Foata normal form. 34/1268 useless extension candidates. Maximal degree in co-relation 19346. Up to 1087 conditions per place. [2021-03-26 13:12:43,395 INFO L132 encePairwiseOnDemand]: 77/100 looper letters, 485 selfloop transitions, 134 changer transitions 14/636 dead transitions. [2021-03-26 13:12:43,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 636 transitions, 19538 flow [2021-03-26 13:12:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:12:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:12:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 134 transitions. [2021-03-26 13:12:43,396 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.11166666666666666 [2021-03-26 13:12:43,397 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 134 transitions. [2021-03-26 13:12:43,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 134 transitions. [2021-03-26 13:12:43,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:43,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 134 transitions. [2021-03-26 13:12:43,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:43,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 100.0) internal successors, (1300), 13 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:43,402 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 100.0) internal successors, (1300), 13 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:43,402 INFO L185 Difference]: Start difference. First operand has 309 places, 607 transitions, 17250 flow. Second operand 12 states and 134 transitions. [2021-03-26 13:12:43,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 636 transitions, 19538 flow [2021-03-26 13:12:43,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 636 transitions, 19073 flow, removed 176 selfloop flow, removed 7 redundant places. [2021-03-26 13:12:43,756 INFO L241 Difference]: Finished difference. Result has 317 places, 612 transitions, 17333 flow [2021-03-26 13:12:43,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=16829, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17333, PETRI_PLACES=317, PETRI_TRANSITIONS=612} [2021-03-26 13:12:43,756 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 300 predicate places. [2021-03-26 13:12:43,756 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:43,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 612 transitions, 17333 flow [2021-03-26 13:12:43,757 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 612 transitions, 17333 flow [2021-03-26 13:12:43,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 312 places, 612 transitions, 17333 flow [2021-03-26 13:12:44,028 INFO L129 PetriNetUnfolder]: 550/1220 cut-off events. [2021-03-26 13:12:44,028 INFO L130 PetriNetUnfolder]: For 61974/62188 co-relation queries the response was YES. [2021-03-26 13:12:44,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17694 conditions, 1220 events. 550/1220 cut-off events. For 61974/62188 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8289 event pairs, 48 based on Foata normal form. 0/1220 useless extension candidates. Maximal degree in co-relation 17565. Up to 616 conditions per place. [2021-03-26 13:12:44,054 INFO L142 LiptonReduction]: Number of co-enabled transitions 1238 [2021-03-26 13:12:44,113 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:44,113 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:44,113 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 357 [2021-03-26 13:12:44,113 INFO L480 AbstractCegarLoop]: Abstraction has has 312 places, 612 transitions, 17333 flow [2021-03-26 13:12:44,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:44,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:44,114 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:44,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:44,339 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:44,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1025051384, now seen corresponding path program 1 times [2021-03-26 13:12:44,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:44,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578803987] [2021-03-26 13:12:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:44,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:44,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:44,374 INFO L142 QuantifierPusher]: treesize reduction 150, result has 28.9 percent of original size [2021-03-26 13:12:44,375 INFO L147 QuantifierPusher]: treesize reduction 14, result has 77.0 percent of original size 47 [2021-03-26 13:12:44,422 INFO L142 QuantifierPusher]: treesize reduction 145, result has 44.7 percent of original size [2021-03-26 13:12:44,423 INFO L147 QuantifierPusher]: treesize reduction 27, result has 76.9 percent of original size 90 [2021-03-26 13:12:44,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:44,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578803987] [2021-03-26 13:12:44,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802998609] [2021-03-26 13:12:44,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:44,503 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:44,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:44,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,517 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:12:44,517 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:12:44,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:44,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:44,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:44,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:44,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:44,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:44,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:44,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:44,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:44,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:44,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:44,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:44,547 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:44,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:44,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:44,553 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:44,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:44,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:44,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:44,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:12:44,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:44,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:44,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:12:44,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:44,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:44,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:12:44,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 49 [2021-03-26 13:12:44,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:44,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:44,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:44,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:12:44,593 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:44,593 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:49 [2021-03-26 13:12:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:12:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:12:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:44,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:44,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:44,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959924443] [2021-03-26 13:12:44,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:44,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:44,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:44,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:44,618 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 100 [2021-03-26 13:12:44,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 612 transitions, 17333 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:44,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:44,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 100 [2021-03-26 13:12:44,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:45,545 INFO L129 PetriNetUnfolder]: 559/1240 cut-off events. [2021-03-26 13:12:45,545 INFO L130 PetriNetUnfolder]: For 63530/64145 co-relation queries the response was YES. [2021-03-26 13:12:45,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19267 conditions, 1240 events. 559/1240 cut-off events. For 63530/64145 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8400 event pairs, 41 based on Foata normal form. 34/1274 useless extension candidates. Maximal degree in co-relation 19136. Up to 1112 conditions per place. [2021-03-26 13:12:45,564 INFO L132 encePairwiseOnDemand]: 77/100 looper letters, 510 selfloop transitions, 118 changer transitions 1/632 dead transitions. [2021-03-26 13:12:45,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 632 transitions, 19251 flow [2021-03-26 13:12:45,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:12:45,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:12:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 137 transitions. [2021-03-26 13:12:45,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.11416666666666667 [2021-03-26 13:12:45,565 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 137 transitions. [2021-03-26 13:12:45,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 137 transitions. [2021-03-26 13:12:45,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:45,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 137 transitions. [2021-03-26 13:12:45,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:45,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 100.0) internal successors, (1300), 13 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:45,580 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 100.0) internal successors, (1300), 13 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:45,580 INFO L185 Difference]: Start difference. First operand has 312 places, 612 transitions, 17333 flow. Second operand 12 states and 137 transitions. [2021-03-26 13:12:45,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 632 transitions, 19251 flow [2021-03-26 13:12:45,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 632 transitions, 18811 flow, removed 31 selfloop flow, removed 9 redundant places. [2021-03-26 13:12:45,913 INFO L241 Difference]: Finished difference. Result has 319 places, 630 transitions, 17871 flow [2021-03-26 13:12:45,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=16915, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17871, PETRI_PLACES=319, PETRI_TRANSITIONS=630} [2021-03-26 13:12:45,914 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 302 predicate places. [2021-03-26 13:12:45,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:45,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 630 transitions, 17871 flow [2021-03-26 13:12:45,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 630 transitions, 17871 flow [2021-03-26 13:12:45,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 630 transitions, 17871 flow [2021-03-26 13:12:46,222 INFO L129 PetriNetUnfolder]: 559/1239 cut-off events. [2021-03-26 13:12:46,223 INFO L130 PetriNetUnfolder]: For 63812/63842 co-relation queries the response was YES. [2021-03-26 13:12:46,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18316 conditions, 1239 events. 559/1239 cut-off events. For 63812/63842 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8525 event pairs, 44 based on Foata normal form. 0/1239 useless extension candidates. Maximal degree in co-relation 18185. Up to 626 conditions per place. [2021-03-26 13:12:46,251 INFO L142 LiptonReduction]: Number of co-enabled transitions 1282 [2021-03-26 13:12:46,855 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-26 13:12:46,855 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 13:12:46,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 942 [2021-03-26 13:12:46,856 INFO L480 AbstractCegarLoop]: Abstraction has has 318 places, 627 transitions, 17878 flow [2021-03-26 13:12:46,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:46,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:46,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:47,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:47,071 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:47,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:47,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1639753724, now seen corresponding path program 1 times [2021-03-26 13:12:47,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:47,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492737444] [2021-03-26 13:12:47,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:47,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:47,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:47,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:47,106 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:12:47,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:12:47,113 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:47,113 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:47,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 13:12:47,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492737444] [2021-03-26 13:12:47,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361216564] [2021-03-26 13:12:47,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:47,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:47,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:47,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:47,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:47,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:47,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:47,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:47,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:47,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:47,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:47,230 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:47,230 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:47,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:47,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:47,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:47,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:47,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:47,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:47,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:47,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:47,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:12:47,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:47,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:12:47,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:47,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:47,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:47,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:47,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:47,258 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:12:47,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:47,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:47,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:47,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:47,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:12:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:47,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:47,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-26 13:12:47,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263321298] [2021-03-26 13:12:47,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 13:12:47,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:47,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 13:12:47,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-03-26 13:12:47,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-26 13:12:47,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 627 transitions, 17878 flow. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:47,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:47,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-26 13:12:47,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:48,226 INFO L129 PetriNetUnfolder]: 586/1304 cut-off events. [2021-03-26 13:12:48,227 INFO L130 PetriNetUnfolder]: For 69760/70756 co-relation queries the response was YES. [2021-03-26 13:12:48,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20827 conditions, 1304 events. 586/1304 cut-off events. For 69760/70756 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8923 event pairs, 39 based on Foata normal form. 54/1356 useless extension candidates. Maximal degree in co-relation 20694. Up to 1045 conditions per place. [2021-03-26 13:12:48,300 INFO L132 encePairwiseOnDemand]: 80/107 looper letters, 488 selfloop transitions, 199 changer transitions 1/691 dead transitions. [2021-03-26 13:12:48,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 691 transitions, 21146 flow [2021-03-26 13:12:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 13:12:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 13:12:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 189 transitions. [2021-03-26 13:12:48,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10390324354040682 [2021-03-26 13:12:48,301 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 189 transitions. [2021-03-26 13:12:48,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 189 transitions. [2021-03-26 13:12:48,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:48,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 189 transitions. [2021-03-26 13:12:48,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:48,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 107.0) internal successors, (1926), 18 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:48,303 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 107.0) internal successors, (1926), 18 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:48,303 INFO L185 Difference]: Start difference. First operand has 318 places, 627 transitions, 17878 flow. Second operand 17 states and 189 transitions. [2021-03-26 13:12:48,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 691 transitions, 21146 flow [2021-03-26 13:12:48,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 691 transitions, 21025 flow, removed 52 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:48,657 INFO L241 Difference]: Finished difference. Result has 334 places, 668 transitions, 19658 flow [2021-03-26 13:12:48,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=17767, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=19658, PETRI_PLACES=334, PETRI_TRANSITIONS=668} [2021-03-26 13:12:48,658 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 317 predicate places. [2021-03-26 13:12:48,658 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:48,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 334 places, 668 transitions, 19658 flow [2021-03-26 13:12:48,658 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 334 places, 668 transitions, 19658 flow [2021-03-26 13:12:48,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 668 transitions, 19658 flow [2021-03-26 13:12:48,931 INFO L129 PetriNetUnfolder]: 586/1303 cut-off events. [2021-03-26 13:12:48,931 INFO L130 PetriNetUnfolder]: For 76127/76592 co-relation queries the response was YES. [2021-03-26 13:12:48,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20170 conditions, 1303 events. 586/1303 cut-off events. For 76127/76592 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 9023 event pairs, 44 based on Foata normal form. 0/1303 useless extension candidates. Maximal degree in co-relation 20035. Up to 663 conditions per place. [2021-03-26 13:12:48,960 INFO L142 LiptonReduction]: Number of co-enabled transitions 1358 [2021-03-26 13:12:49,144 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 13:12:49,144 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 13:12:49,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 486 [2021-03-26 13:12:49,145 INFO L480 AbstractCegarLoop]: Abstraction has has 333 places, 663 transitions, 19450 flow [2021-03-26 13:12:49,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:49,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:49,145 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:12:49,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-26 13:12:49,360 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:49,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:49,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1665169017, now seen corresponding path program 1 times [2021-03-26 13:12:49,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:49,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26123453] [2021-03-26 13:12:49,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:49,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:49,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:49,373 INFO L142 QuantifierPusher]: treesize reduction 164, result has 39.7 percent of original size [2021-03-26 13:12:49,373 INFO L147 QuantifierPusher]: treesize reduction 19, result has 82.4 percent of original size 89 [2021-03-26 13:12:49,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:49,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:49,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26123453] [2021-03-26 13:12:49,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:12:49,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:12:49,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824805891] [2021-03-26 13:12:49,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:12:49,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:49,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:12:49,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:12:49,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-26 13:12:49,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 663 transitions, 19450 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:49,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:49,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-26 13:12:49,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:50,057 INFO L129 PetriNetUnfolder]: 583/1297 cut-off events. [2021-03-26 13:12:50,057 INFO L130 PetriNetUnfolder]: For 77007/78871 co-relation queries the response was YES. [2021-03-26 13:12:50,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21388 conditions, 1297 events. 583/1297 cut-off events. For 77007/78871 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8882 event pairs, 39 based on Foata normal form. 40/1337 useless extension candidates. Maximal degree in co-relation 21251. Up to 1175 conditions per place. [2021-03-26 13:12:50,078 INFO L132 encePairwiseOnDemand]: 89/107 looper letters, 563 selfloop transitions, 95 changer transitions 4/665 dead transitions. [2021-03-26 13:12:50,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 665 transitions, 20852 flow [2021-03-26 13:12:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:12:50,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:12:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2021-03-26 13:12:50,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14205607476635515 [2021-03-26 13:12:50,079 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 76 transitions. [2021-03-26 13:12:50,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 76 transitions. [2021-03-26 13:12:50,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:50,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 76 transitions. [2021-03-26 13:12:50,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:50,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:50,080 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:50,080 INFO L185 Difference]: Start difference. First operand has 333 places, 663 transitions, 19450 flow. Second operand 5 states and 76 transitions. [2021-03-26 13:12:50,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 665 transitions, 20852 flow [2021-03-26 13:12:50,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 665 transitions, 20494 flow, removed 144 selfloop flow, removed 9 redundant places. [2021-03-26 13:12:50,482 INFO L241 Difference]: Finished difference. Result has 329 places, 660 transitions, 19171 flow [2021-03-26 13:12:50,483 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=19059, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=19171, PETRI_PLACES=329, PETRI_TRANSITIONS=660} [2021-03-26 13:12:50,483 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 312 predicate places. [2021-03-26 13:12:50,483 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:50,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 329 places, 660 transitions, 19171 flow [2021-03-26 13:12:50,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 329 places, 660 transitions, 19171 flow [2021-03-26 13:12:50,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 327 places, 660 transitions, 19171 flow [2021-03-26 13:12:50,761 INFO L129 PetriNetUnfolder]: 582/1293 cut-off events. [2021-03-26 13:12:50,761 INFO L130 PetriNetUnfolder]: For 75836/75916 co-relation queries the response was YES. [2021-03-26 13:12:50,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19965 conditions, 1293 events. 582/1293 cut-off events. For 75836/75916 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8949 event pairs, 45 based on Foata normal form. 1/1294 useless extension candidates. Maximal degree in co-relation 19829. Up to 654 conditions per place. [2021-03-26 13:12:50,789 INFO L142 LiptonReduction]: Number of co-enabled transitions 1340 [2021-03-26 13:12:50,860 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:50,860 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:50,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 377 [2021-03-26 13:12:50,860 INFO L480 AbstractCegarLoop]: Abstraction has has 327 places, 660 transitions, 19171 flow [2021-03-26 13:12:50,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:50,860 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:50,860 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:50,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 13:12:50,861 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:50,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:50,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1813158463, now seen corresponding path program 1 times [2021-03-26 13:12:50,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:50,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171830673] [2021-03-26 13:12:50,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:50,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:50,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:50,874 INFO L142 QuantifierPusher]: treesize reduction 159, result has 26.4 percent of original size [2021-03-26 13:12:50,874 INFO L147 QuantifierPusher]: treesize reduction 5, result has 91.2 percent of original size 52 [2021-03-26 13:12:50,904 INFO L142 QuantifierPusher]: treesize reduction 139, result has 47.9 percent of original size [2021-03-26 13:12:50,905 INFO L147 QuantifierPusher]: treesize reduction 33, result has 74.2 percent of original size 95 [2021-03-26 13:12:50,962 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:12:50,962 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:12:50,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:50,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:50,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171830673] [2021-03-26 13:12:50,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506625498] [2021-03-26 13:12:50,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:50,992 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:12:50,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:50,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:50,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:50,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:50,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:50,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:50,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:50,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:50,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:51,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:51,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:51,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:51,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:51,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:51,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:51,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:51,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:51,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:51,018 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:51,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:51,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:51,023 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:51,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:51,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:51,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:51,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:51,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:51,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:51,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:51,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:51,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:51,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:51,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:51,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:12:51,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 49 [2021-03-26 13:12:51,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:51,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:51,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:51,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:12:51,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:51,056 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:52 [2021-03-26 13:12:51,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:12:51,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:12:51,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:51,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:51,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:51,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:51,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:12:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:51,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:12:51,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:12:51,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:51,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2021-03-26 13:12:51,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:51,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:51,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:51,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:51,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:12:51,111 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:51,111 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:57 [2021-03-26 13:12:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:12:51,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:51,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:12:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:51,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:51,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:12:51,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436594263] [2021-03-26 13:12:51,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:12:51,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:51,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:12:51,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:51,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-26 13:12:51,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 660 transitions, 19171 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:51,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:51,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-26 13:12:51,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:51,934 INFO L129 PetriNetUnfolder]: 588/1309 cut-off events. [2021-03-26 13:12:51,935 INFO L130 PetriNetUnfolder]: For 78901/80400 co-relation queries the response was YES. [2021-03-26 13:12:51,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21571 conditions, 1309 events. 588/1309 cut-off events. For 78901/80400 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 9010 event pairs, 39 based on Foata normal form. 40/1349 useless extension candidates. Maximal degree in co-relation 21433. Up to 1126 conditions per place. [2021-03-26 13:12:51,956 INFO L132 encePairwiseOnDemand]: 85/107 looper letters, 537 selfloop transitions, 126 changer transitions 14/680 dead transitions. [2021-03-26 13:12:51,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 680 transitions, 21220 flow [2021-03-26 13:12:51,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 13:12:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 13:12:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 121 transitions. [2021-03-26 13:12:51,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1130841121495327 [2021-03-26 13:12:51,957 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 121 transitions. [2021-03-26 13:12:51,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 121 transitions. [2021-03-26 13:12:51,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:51,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 121 transitions. [2021-03-26 13:12:51,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.1) internal successors, (121), 10 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) [2021-03-26 13:12:51,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:51,958 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:51,958 INFO L185 Difference]: Start difference. First operand has 327 places, 660 transitions, 19171 flow. Second operand 10 states and 121 transitions. [2021-03-26 13:12:51,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 680 transitions, 21220 flow [2021-03-26 13:12:52,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 680 transitions, 21024 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:52,368 INFO L241 Difference]: Finished difference. Result has 336 places, 658 transitions, 19190 flow [2021-03-26 13:12:52,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=18979, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19190, PETRI_PLACES=336, PETRI_TRANSITIONS=658} [2021-03-26 13:12:52,368 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 319 predicate places. [2021-03-26 13:12:52,368 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:52,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 658 transitions, 19190 flow [2021-03-26 13:12:52,369 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 658 transitions, 19190 flow [2021-03-26 13:12:52,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 330 places, 658 transitions, 19190 flow [2021-03-26 13:12:52,680 INFO L129 PetriNetUnfolder]: 584/1295 cut-off events. [2021-03-26 13:12:52,680 INFO L130 PetriNetUnfolder]: For 78975/79457 co-relation queries the response was YES. [2021-03-26 13:12:52,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20205 conditions, 1295 events. 584/1295 cut-off events. For 78975/79457 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8901 event pairs, 42 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 20066. Up to 654 conditions per place. [2021-03-26 13:12:52,708 INFO L142 LiptonReduction]: Number of co-enabled transitions 1334 [2021-03-26 13:12:52,779 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:12:52,779 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:12:52,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 411 [2021-03-26 13:12:52,779 INFO L480 AbstractCegarLoop]: Abstraction has has 330 places, 658 transitions, 19190 flow [2021-03-26 13:12:52,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:12:52,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:52,780 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:52,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:52,994 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:52,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:52,994 INFO L82 PathProgramCache]: Analyzing trace with hash -561119478, now seen corresponding path program 1 times [2021-03-26 13:12:52,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:52,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52193116] [2021-03-26 13:12:52,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:53,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:53,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:53,007 INFO L142 QuantifierPusher]: treesize reduction 138, result has 34.6 percent of original size [2021-03-26 13:12:53,008 INFO L147 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-03-26 13:12:53,050 INFO L142 QuantifierPusher]: treesize reduction 151, result has 42.4 percent of original size [2021-03-26 13:12:53,050 INFO L147 QuantifierPusher]: treesize reduction 21, result has 81.1 percent of original size 90 [2021-03-26 13:12:53,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:53,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52193116] [2021-03-26 13:12:53,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442117415] [2021-03-26 13:12:53,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 13:12:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:53,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:12:53,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:53,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:53,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:53,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:53,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:53,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:53,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:53,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:53,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:53,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:53,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:53,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:53,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:53,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:53,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:53,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:53,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:53,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:53,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:53,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:53,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:53,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:53,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:53,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:53,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:53,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:53,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:53,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:53,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:53,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:12:53,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:12:53,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:53,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:53,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:53,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:53,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:53,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 63 [2021-03-26 13:12:53,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:53,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:53,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:53,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:12:53,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:53,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:53,243 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:66 [2021-03-26 13:12:53,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:12:53,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:53,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:53,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:53,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:12:53,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:53,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:12:53,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:12:53,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599226630] [2021-03-26 13:12:53,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:12:53,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:53,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:12:53,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:12:53,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-26 13:12:53,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 658 transitions, 19190 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:53,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:53,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-26 13:12:53,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:53,827 INFO L129 PetriNetUnfolder]: 585/1297 cut-off events. [2021-03-26 13:12:53,828 INFO L130 PetriNetUnfolder]: For 79215/80210 co-relation queries the response was YES. [2021-03-26 13:12:53,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21540 conditions, 1297 events. 585/1297 cut-off events. For 79215/80210 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8842 event pairs, 43 based on Foata normal form. 17/1314 useless extension candidates. Maximal degree in co-relation 21399. Up to 1282 conditions per place. [2021-03-26 13:12:53,849 INFO L132 encePairwiseOnDemand]: 90/107 looper letters, 632 selfloop transitions, 26 changer transitions 0/661 dead transitions. [2021-03-26 13:12:53,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 661 transitions, 20641 flow [2021-03-26 13:12:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:12:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:12:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 90 transitions. [2021-03-26 13:12:53,850 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12016021361815754 [2021-03-26 13:12:53,850 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 90 transitions. [2021-03-26 13:12:53,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 90 transitions. [2021-03-26 13:12:53,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:53,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 90 transitions. [2021-03-26 13:12:53,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:53,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 107.0) internal successors, (856), 8 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:53,851 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 107.0) internal successors, (856), 8 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:53,851 INFO L185 Difference]: Start difference. First operand has 330 places, 658 transitions, 19190 flow. Second operand 7 states and 90 transitions. [2021-03-26 13:12:53,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 661 transitions, 20641 flow [2021-03-26 13:12:54,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 661 transitions, 20056 flow, removed 28 selfloop flow, removed 9 redundant places. [2021-03-26 13:12:54,262 INFO L241 Difference]: Finished difference. Result has 328 places, 660 transitions, 18757 flow [2021-03-26 13:12:54,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=18605, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=658, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=18757, PETRI_PLACES=328, PETRI_TRANSITIONS=660} [2021-03-26 13:12:54,262 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 311 predicate places. [2021-03-26 13:12:54,262 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:54,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 660 transitions, 18757 flow [2021-03-26 13:12:54,262 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 660 transitions, 18757 flow [2021-03-26 13:12:54,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 660 transitions, 18757 flow [2021-03-26 13:12:54,514 INFO L129 PetriNetUnfolder]: 585/1297 cut-off events. [2021-03-26 13:12:54,514 INFO L130 PetriNetUnfolder]: For 71282/71400 co-relation queries the response was YES. [2021-03-26 13:12:54,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19473 conditions, 1297 events. 585/1297 cut-off events. For 71282/71400 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 9005 event pairs, 43 based on Foata normal form. 0/1297 useless extension candidates. Maximal degree in co-relation 19337. Up to 654 conditions per place. [2021-03-26 13:12:54,544 INFO L142 LiptonReduction]: Number of co-enabled transitions 1338 [2021-03-26 13:12:54,703 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:12:54,703 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:12:54,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 441 [2021-03-26 13:12:54,703 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 659 transitions, 18709 flow [2021-03-26 13:12:54,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:54,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:54,704 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:54,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-03-26 13:12:54,919 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:54,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2140201839, now seen corresponding path program 1 times [2021-03-26 13:12:54,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:54,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428061913] [2021-03-26 13:12:54,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:54,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:54,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:54,933 INFO L142 QuantifierPusher]: treesize reduction 56, result has 23.3 percent of original size [2021-03-26 13:12:54,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:12:54,940 INFO L142 QuantifierPusher]: treesize reduction 51, result has 47.4 percent of original size [2021-03-26 13:12:54,940 INFO L147 QuantifierPusher]: treesize reduction 11, result has 76.1 percent of original size 35 [2021-03-26 13:12:54,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:54,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:54,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428061913] [2021-03-26 13:12:54,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157329084] [2021-03-26 13:12:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:54,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:12:54,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:54,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:54,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:54,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:54,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:54,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:54,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:55,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:55,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:55,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:55,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:55,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:55,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:55,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:55,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:55,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:55,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:55,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:55,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:55,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:55,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:55,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:55,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:55,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:55,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:55,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:55,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:55,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:55,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:55,045 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:12:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:12:55,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:12:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:55,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:55,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:12:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:55,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:55,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:55,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 28 [2021-03-26 13:12:55,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:55,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:12:55,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:55,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:55,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:55,080 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:31 [2021-03-26 13:12:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:55,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:55,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:12:55,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:12:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:55,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:55,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:55,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959452384] [2021-03-26 13:12:55,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:55,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:55,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:55,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:55,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-26 13:12:55,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 659 transitions, 18709 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:55,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:55,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-26 13:12:55,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:55,987 INFO L129 PetriNetUnfolder]: 655/1470 cut-off events. [2021-03-26 13:12:55,987 INFO L130 PetriNetUnfolder]: For 85089/86113 co-relation queries the response was YES. [2021-03-26 13:12:56,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23692 conditions, 1470 events. 655/1470 cut-off events. For 85089/86113 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 10404 event pairs, 34 based on Foata normal form. 34/1504 useless extension candidates. Maximal degree in co-relation 23554. Up to 1120 conditions per place. [2021-03-26 13:12:56,012 INFO L132 encePairwiseOnDemand]: 81/107 looper letters, 549 selfloop transitions, 226 changer transitions 1/779 dead transitions. [2021-03-26 13:12:56,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 779 transitions, 24087 flow [2021-03-26 13:12:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 13:12:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 13:12:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 216 transitions. [2021-03-26 13:12:56,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10093457943925234 [2021-03-26 13:12:56,013 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 216 transitions. [2021-03-26 13:12:56,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 216 transitions. [2021-03-26 13:12:56,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:56,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 216 transitions. [2021-03-26 13:12:56,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 10.8) internal successors, (216), 20 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:56,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 107.0) internal successors, (2247), 21 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:56,014 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 107.0) internal successors, (2247), 21 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:56,014 INFO L185 Difference]: Start difference. First operand has 328 places, 659 transitions, 18709 flow. Second operand 20 states and 216 transitions. [2021-03-26 13:12:56,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 779 transitions, 24087 flow [2021-03-26 13:12:56,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 779 transitions, 23992 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-03-26 13:12:56,459 INFO L241 Difference]: Finished difference. Result has 347 places, 728 transitions, 21543 flow [2021-03-26 13:12:56,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=18614, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=21543, PETRI_PLACES=347, PETRI_TRANSITIONS=728} [2021-03-26 13:12:56,460 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 330 predicate places. [2021-03-26 13:12:56,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:56,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 728 transitions, 21543 flow [2021-03-26 13:12:56,460 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 728 transitions, 21543 flow [2021-03-26 13:12:56,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 347 places, 728 transitions, 21543 flow [2021-03-26 13:12:56,782 INFO L129 PetriNetUnfolder]: 655/1470 cut-off events. [2021-03-26 13:12:56,782 INFO L130 PetriNetUnfolder]: For 91855/92065 co-relation queries the response was YES. [2021-03-26 13:12:56,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22833 conditions, 1470 events. 655/1470 cut-off events. For 91855/92065 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 10502 event pairs, 53 based on Foata normal form. 0/1470 useless extension candidates. Maximal degree in co-relation 22693. Up to 767 conditions per place. [2021-03-26 13:12:56,817 INFO L142 LiptonReduction]: Number of co-enabled transitions 1474 [2021-03-26 13:12:57,235 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-26 13:12:57,235 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 13:12:57,235 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 775 [2021-03-26 13:12:57,235 INFO L480 AbstractCegarLoop]: Abstraction has has 345 places, 720 transitions, 21232 flow [2021-03-26 13:12:57,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:57,235 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:12:57,236 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:12:57,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:57,450 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:12:57,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:12:57,450 INFO L82 PathProgramCache]: Analyzing trace with hash 792121606, now seen corresponding path program 1 times [2021-03-26 13:12:57,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:12:57,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522463582] [2021-03-26 13:12:57,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:12:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:57,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:57,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:57,466 INFO L142 QuantifierPusher]: treesize reduction 169, result has 21.8 percent of original size [2021-03-26 13:12:57,467 INFO L147 QuantifierPusher]: treesize reduction 42, result has 10.6 percent of original size 5 [2021-03-26 13:12:57,489 INFO L142 QuantifierPusher]: treesize reduction 163, result has 39.0 percent of original size [2021-03-26 13:12:57,490 INFO L147 QuantifierPusher]: treesize reduction 27, result has 74.0 percent of original size 77 [2021-03-26 13:12:57,537 INFO L142 QuantifierPusher]: treesize reduction 18, result has 41.9 percent of original size [2021-03-26 13:12:57,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:57,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:57,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522463582] [2021-03-26 13:12:57,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849243176] [2021-03-26 13:12:57,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:12:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:12:57,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:12:57,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:12:57,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:57,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:57,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:57,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:57,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:57,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:57,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:12:57,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:57,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:12:57,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:57,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:57,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:57,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:57,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:12:57,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:12:57,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:12:57,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:57,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:12:57,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:57,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:12:57,614 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:12:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:57,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:57,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:57,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:12:57,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:12:57,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:12:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:12:57,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:12:57,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:57,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 63 [2021-03-26 13:12:57,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:57,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:12:57,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:57,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:12:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:12:57,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:57,679 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:71 [2021-03-26 13:12:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:12:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:12:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:12:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:12:57,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:12:57,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:57,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:12:57,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:57,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:12:57,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:12:57,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:57,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:12:57,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:12:57,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:12:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:12:57,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:12:57,797 INFO L354 Elim1Store]: treesize reduction 154, result has 26.3 percent of original size [2021-03-26 13:12:57,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 66 treesize of output 92 [2021-03-26 13:12:57,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:12:57,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:12:57,799 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:12:57,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:57,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:12:57,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:57,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:57,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-26 13:12:57,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:12:57,825 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:76 [2021-03-26 13:12:57,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:12:57,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:12:57,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:12:57,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:12:57,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:57,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-26 13:12:57,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:12:57,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:12:57,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:12:57,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-26 13:12:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:12:57,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:12:57,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:12:57,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710842834] [2021-03-26 13:12:57,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:12:57,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:12:57,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:12:57,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:12:57,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 110 [2021-03-26 13:12:57,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 720 transitions, 21232 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:12:57,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:12:57,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 110 [2021-03-26 13:12:57,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:12:58,671 INFO L129 PetriNetUnfolder]: 657/1466 cut-off events. [2021-03-26 13:12:58,671 INFO L130 PetriNetUnfolder]: For 90343/91271 co-relation queries the response was YES. [2021-03-26 13:12:58,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24231 conditions, 1466 events. 657/1466 cut-off events. For 90343/91271 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 10391 event pairs, 48 based on Foata normal form. 18/1484 useless extension candidates. Maximal degree in co-relation 24089. Up to 1305 conditions per place. [2021-03-26 13:12:58,696 INFO L132 encePairwiseOnDemand]: 92/110 looper letters, 618 selfloop transitions, 119 changer transitions 0/740 dead transitions. [2021-03-26 13:12:58,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 740 transitions, 23263 flow [2021-03-26 13:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:12:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:12:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 136 transitions. [2021-03-26 13:12:58,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10303030303030303 [2021-03-26 13:12:58,697 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 136 transitions. [2021-03-26 13:12:58,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 136 transitions. [2021-03-26 13:12:58,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:12:58,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 136 transitions. [2021-03-26 13:12:58,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 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) [2021-03-26 13:12:58,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:58,698 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:12:58,698 INFO L185 Difference]: Start difference. First operand has 345 places, 720 transitions, 21232 flow. Second operand 12 states and 136 transitions. [2021-03-26 13:12:58,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 740 transitions, 23263 flow [2021-03-26 13:12:59,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 740 transitions, 23063 flow, removed 67 selfloop flow, removed 10 redundant places. [2021-03-26 13:12:59,159 INFO L241 Difference]: Finished difference. Result has 350 places, 732 transitions, 21667 flow [2021-03-26 13:12:59,160 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=20842, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21667, PETRI_PLACES=350, PETRI_TRANSITIONS=732} [2021-03-26 13:12:59,160 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 333 predicate places. [2021-03-26 13:12:59,160 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:12:59,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 732 transitions, 21667 flow [2021-03-26 13:12:59,160 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 732 transitions, 21667 flow [2021-03-26 13:12:59,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 350 places, 732 transitions, 21667 flow [2021-03-26 13:12:59,486 INFO L129 PetriNetUnfolder]: 657/1466 cut-off events. [2021-03-26 13:12:59,486 INFO L130 PetriNetUnfolder]: For 90354/90718 co-relation queries the response was YES. [2021-03-26 13:12:59,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23001 conditions, 1466 events. 657/1466 cut-off events. For 90354/90718 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 10492 event pairs, 53 based on Foata normal form. 0/1466 useless extension candidates. Maximal degree in co-relation 22858. Up to 760 conditions per place. [2021-03-26 13:12:59,525 INFO L142 LiptonReduction]: Number of co-enabled transitions 1482 [2021-03-26 13:13:00,014 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:13:00,014 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 13:13:00,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 855 [2021-03-26 13:13:00,015 INFO L480 AbstractCegarLoop]: Abstraction has has 347 places, 728 transitions, 21541 flow [2021-03-26 13:13:00,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:00,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:00,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:00,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:00,230 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:00,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:00,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1298534954, now seen corresponding path program 1 times [2021-03-26 13:13:00,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:00,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673712508] [2021-03-26 13:13:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:00,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:00,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:00,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:00,243 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:13:00,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:13:00,246 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:13:00,246 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:13:00,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:00,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673712508] [2021-03-26 13:13:00,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178496960] [2021-03-26 13:13:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:00,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:13:00,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:00,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:00,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:00,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:00,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:00,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:13:00,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:00,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:00,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:00,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:00,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:00,412 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:13:00,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:00,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:00,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:13:00,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:13:00,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:13:00,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:13:00,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:00,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:13:00,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:13:00,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:00,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:13:00,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:13:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:00,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:13:00,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:00,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:00,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:00,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:13:00,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:13:00,440 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:13:00,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:13:00,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:00,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:00,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:00,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:13:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:00,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:00,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:13:00,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582244976] [2021-03-26 13:13:00,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:13:00,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:00,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:13:00,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:13:00,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 112 [2021-03-26 13:13:00,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 728 transitions, 21541 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:00,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:00,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 112 [2021-03-26 13:13:00,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:01,668 INFO L129 PetriNetUnfolder]: 785/1755 cut-off events. [2021-03-26 13:13:01,668 INFO L130 PetriNetUnfolder]: For 112498/113519 co-relation queries the response was YES. [2021-03-26 13:13:01,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29594 conditions, 1755 events. 785/1755 cut-off events. For 112498/113519 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 13042 event pairs, 42 based on Foata normal form. 38/1793 useless extension candidates. Maximal degree in co-relation 29449. Up to 1065 conditions per place. [2021-03-26 13:13:01,698 INFO L132 encePairwiseOnDemand]: 87/112 looper letters, 489 selfloop transitions, 425 changer transitions 1/918 dead transitions. [2021-03-26 13:13:01,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 918 transitions, 29264 flow [2021-03-26 13:13:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 13:13:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 13:13:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 266 transitions. [2021-03-26 13:13:01,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.095 [2021-03-26 13:13:01,700 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 266 transitions. [2021-03-26 13:13:01,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 266 transitions. [2021-03-26 13:13:01,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:01,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 266 transitions. [2021-03-26 13:13:01,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 10.64) internal successors, (266), 25 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) [2021-03-26 13:13:01,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 112.0) internal successors, (2912), 26 states have internal predecessors, (2912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:01,702 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 112.0) internal successors, (2912), 26 states have internal predecessors, (2912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:01,702 INFO L185 Difference]: Start difference. First operand has 347 places, 728 transitions, 21541 flow. Second operand 25 states and 266 transitions. [2021-03-26 13:13:01,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 918 transitions, 29264 flow [2021-03-26 13:13:02,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 918 transitions, 29022 flow, removed 51 selfloop flow, removed 8 redundant places. [2021-03-26 13:13:02,252 INFO L241 Difference]: Finished difference. Result has 371 places, 876 transitions, 27414 flow [2021-03-26 13:13:02,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=21328, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=27414, PETRI_PLACES=371, PETRI_TRANSITIONS=876} [2021-03-26 13:13:02,253 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 354 predicate places. [2021-03-26 13:13:02,253 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:02,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 371 places, 876 transitions, 27414 flow [2021-03-26 13:13:02,253 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 371 places, 876 transitions, 27414 flow [2021-03-26 13:13:02,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 371 places, 876 transitions, 27414 flow [2021-03-26 13:13:02,702 INFO L129 PetriNetUnfolder]: 785/1755 cut-off events. [2021-03-26 13:13:02,703 INFO L130 PetriNetUnfolder]: For 120401/120469 co-relation queries the response was YES. [2021-03-26 13:13:02,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29224 conditions, 1755 events. 785/1755 cut-off events. For 120401/120469 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 13185 event pairs, 59 based on Foata normal form. 0/1755 useless extension candidates. Maximal degree in co-relation 29074. Up to 906 conditions per place. [2021-03-26 13:13:02,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 1768 [2021-03-26 13:13:03,434 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-26 13:13:03,434 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 13:13:03,434 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1181 [2021-03-26 13:13:03,434 INFO L480 AbstractCegarLoop]: Abstraction has has 369 places, 866 transitions, 27008 flow [2021-03-26 13:13:03,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:03,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:03,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:03,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-03-26 13:13:03,649 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1826667984, now seen corresponding path program 1 times [2021-03-26 13:13:03,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:03,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516785371] [2021-03-26 13:13:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:03,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:03,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:03,668 INFO L142 QuantifierPusher]: treesize reduction 158, result has 35.2 percent of original size [2021-03-26 13:13:03,668 INFO L147 QuantifierPusher]: treesize reduction 28, result has 67.4 percent of original size 58 [2021-03-26 13:13:03,721 INFO L142 QuantifierPusher]: treesize reduction 167, result has 44.3 percent of original size [2021-03-26 13:13:03,722 INFO L147 QuantifierPusher]: treesize reduction 27, result has 79.7 percent of original size 106 [2021-03-26 13:13:03,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:03,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516785371] [2021-03-26 13:13:03,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639617981] [2021-03-26 13:13:03,787 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-26 13:13:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:03,807 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:13:03,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:03,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:03,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:03,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:03,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:03,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:03,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:03,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:13:03,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:03,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:03,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:03,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:03,846 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:03,846 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:13:03,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:03,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:03,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:03,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:03,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:03,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:13:03,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:13:03,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:13:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:13:03,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:13:03,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:13:03,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:13:03,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:13:03,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:13:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:13:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:03,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 61 [2021-03-26 13:13:03,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:13:03,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:13:03,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:03,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:03,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:13:03,909 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:13:03,909 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:64 [2021-03-26 13:13:03,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:03,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:13:03,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:03,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:03,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:03,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:13:05,944 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 44 [2021-03-26 13:13:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:05,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:05,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:13:05,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498689863] [2021-03-26 13:13:05,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:13:05,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:05,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:13:05,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:13:05,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 116 [2021-03-26 13:13:05,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 866 transitions, 27008 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:13:05,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:05,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 116 [2021-03-26 13:13:05,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:07,129 INFO L129 PetriNetUnfolder]: 792/1765 cut-off events. [2021-03-26 13:13:07,129 INFO L130 PetriNetUnfolder]: For 120664/121652 co-relation queries the response was YES. [2021-03-26 13:13:07,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31275 conditions, 1765 events. 792/1765 cut-off events. For 120664/121652 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 13119 event pairs, 49 based on Foata normal form. 36/1801 useless extension candidates. Maximal degree in co-relation 31123. Up to 1527 conditions per place. [2021-03-26 13:13:07,162 INFO L132 encePairwiseOnDemand]: 90/116 looper letters, 709 selfloop transitions, 172 changer transitions 9/893 dead transitions. [2021-03-26 13:13:07,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 893 transitions, 29846 flow [2021-03-26 13:13:07,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:13:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:13:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2021-03-26 13:13:07,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10501567398119123 [2021-03-26 13:13:07,164 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 134 transitions. [2021-03-26 13:13:07,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 134 transitions. [2021-03-26 13:13:07,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:07,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 134 transitions. [2021-03-26 13:13:07,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:07,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 116.0) internal successors, (1392), 12 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:07,165 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 116.0) internal successors, (1392), 12 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:07,165 INFO L185 Difference]: Start difference. First operand has 369 places, 866 transitions, 27008 flow. Second operand 11 states and 134 transitions. [2021-03-26 13:13:07,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 893 transitions, 29846 flow [2021-03-26 13:13:07,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 893 transitions, 29244 flow, removed 259 selfloop flow, removed 10 redundant places. [2021-03-26 13:13:07,875 INFO L241 Difference]: Finished difference. Result has 374 places, 874 transitions, 27153 flow [2021-03-26 13:13:07,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=26400, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=27153, PETRI_PLACES=374, PETRI_TRANSITIONS=874} [2021-03-26 13:13:07,876 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 357 predicate places. [2021-03-26 13:13:07,876 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:07,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 374 places, 874 transitions, 27153 flow [2021-03-26 13:13:07,876 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 374 places, 874 transitions, 27153 flow [2021-03-26 13:13:07,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 370 places, 874 transitions, 27153 flow [2021-03-26 13:13:08,390 INFO L129 PetriNetUnfolder]: 790/1756 cut-off events. [2021-03-26 13:13:08,390 INFO L130 PetriNetUnfolder]: For 120303/120351 co-relation queries the response was YES. [2021-03-26 13:13:08,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29155 conditions, 1756 events. 790/1756 cut-off events. For 120303/120351 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13121 event pairs, 63 based on Foata normal form. 0/1756 useless extension candidates. Maximal degree in co-relation 29003. Up to 900 conditions per place. [2021-03-26 13:13:08,434 INFO L142 LiptonReduction]: Number of co-enabled transitions 1766 [2021-03-26 13:13:08,856 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:13:08,857 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:13:08,857 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 981 [2021-03-26 13:13:08,857 INFO L480 AbstractCegarLoop]: Abstraction has has 370 places, 874 transitions, 27215 flow [2021-03-26 13:13:08,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:13:08,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:08,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:09,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:09,073 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:09,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:09,073 INFO L82 PathProgramCache]: Analyzing trace with hash -180410245, now seen corresponding path program 1 times [2021-03-26 13:13:09,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:09,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432762428] [2021-03-26 13:13:09,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:09,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:09,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:09,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:09,093 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-26 13:13:09,093 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 13:13:09,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:09,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432762428] [2021-03-26 13:13:09,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865978384] [2021-03-26 13:13:09,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:09,127 WARN L261 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:13:09,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:09,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,139 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:13:09,139 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:13:09,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,151 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:13:09,151 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:13:09,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:09,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:09,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:13:09,162 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-26 13:13:09,162 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-26 13:13:09,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:09,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:13:09,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:13:09,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:09,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:13:09,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:13:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2021-03-26 13:13:09,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:13:09,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:13:09,169 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:09,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:13:09,176 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:09,176 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:26 [2021-03-26 13:13:09,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:13:09,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:13:09,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:09,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:09,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:13:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:09,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:13:09,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:09,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:13:09,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:09,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 39 [2021-03-26 13:13:09,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:13:09,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:13:09,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:09,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:13:09,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:09,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:33 [2021-03-26 13:13:09,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:13:09,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:09,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:13:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:09,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:09,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:13:09,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532364913] [2021-03-26 13:13:09,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:13:09,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:09,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:13:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:13:09,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 118 [2021-03-26 13:13:09,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 874 transitions, 27215 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:13:09,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:09,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 118 [2021-03-26 13:13:09,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:10,555 INFO L129 PetriNetUnfolder]: 791/1762 cut-off events. [2021-03-26 13:13:10,555 INFO L130 PetriNetUnfolder]: For 123413/124882 co-relation queries the response was YES. [2021-03-26 13:13:10,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31076 conditions, 1762 events. 791/1762 cut-off events. For 123413/124882 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 13091 event pairs, 44 based on Foata normal form. 44/1806 useless extension candidates. Maximal degree in co-relation 30922. Up to 1576 conditions per place. [2021-03-26 13:13:10,587 INFO L132 encePairwiseOnDemand]: 93/118 looper letters, 727 selfloop transitions, 152 changer transitions 2/884 dead transitions. [2021-03-26 13:13:10,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 884 transitions, 29393 flow [2021-03-26 13:13:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:13:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:13:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 141 transitions. [2021-03-26 13:13:10,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09957627118644068 [2021-03-26 13:13:10,588 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 141 transitions. [2021-03-26 13:13:10,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 141 transitions. [2021-03-26 13:13:10,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:10,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 141 transitions. [2021-03-26 13:13:10,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:10,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 118.0) internal successors, (1534), 13 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:10,589 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 118.0) internal successors, (1534), 13 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:10,590 INFO L185 Difference]: Start difference. First operand has 370 places, 874 transitions, 27215 flow. Second operand 12 states and 141 transitions. [2021-03-26 13:13:10,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 884 transitions, 29393 flow [2021-03-26 13:13:11,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 884 transitions, 28858 flow, removed 49 selfloop flow, removed 9 redundant places. [2021-03-26 13:13:11,336 INFO L241 Difference]: Finished difference. Result has 376 places, 879 transitions, 27332 flow [2021-03-26 13:13:11,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=26680, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=874, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=724, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=27332, PETRI_PLACES=376, PETRI_TRANSITIONS=879} [2021-03-26 13:13:11,337 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 359 predicate places. [2021-03-26 13:13:11,337 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:11,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 879 transitions, 27332 flow [2021-03-26 13:13:11,338 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 879 transitions, 27332 flow [2021-03-26 13:13:11,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 375 places, 879 transitions, 27332 flow [2021-03-26 13:13:11,823 INFO L129 PetriNetUnfolder]: 791/1761 cut-off events. [2021-03-26 13:13:11,823 INFO L130 PetriNetUnfolder]: For 123142/123216 co-relation queries the response was YES. [2021-03-26 13:13:11,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29380 conditions, 1761 events. 791/1761 cut-off events. For 123142/123216 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 13201 event pairs, 57 based on Foata normal form. 0/1761 useless extension candidates. Maximal degree in co-relation 29228. Up to 904 conditions per place. [2021-03-26 13:13:11,872 INFO L142 LiptonReduction]: Number of co-enabled transitions 1776 [2021-03-26 13:13:12,456 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:13:12,456 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:13:12,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1119 [2021-03-26 13:13:12,457 INFO L480 AbstractCegarLoop]: Abstraction has has 373 places, 876 transitions, 27219 flow [2021-03-26 13:13:12,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:13:12,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:12,457 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:12,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-03-26 13:13:12,671 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:12,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:12,671 INFO L82 PathProgramCache]: Analyzing trace with hash -2124749500, now seen corresponding path program 1 times [2021-03-26 13:13:12,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:12,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061079273] [2021-03-26 13:13:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:12,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:12,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:12,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:12,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:12,689 INFO L142 QuantifierPusher]: treesize reduction 179, result has 26.6 percent of original size [2021-03-26 13:13:12,690 INFO L147 QuantifierPusher]: treesize reduction 60, result has 7.7 percent of original size 5 [2021-03-26 13:13:12,722 INFO L142 QuantifierPusher]: treesize reduction 184, result has 38.7 percent of original size [2021-03-26 13:13:12,722 INFO L147 QuantifierPusher]: treesize reduction 28, result has 75.9 percent of original size 88 [2021-03-26 13:13:12,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:12,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:12,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061079273] [2021-03-26 13:13:12,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:13:12,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:13:12,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636637143] [2021-03-26 13:13:12,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:13:12,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:12,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:13:12,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:13:12,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 120 [2021-03-26 13:13:12,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 876 transitions, 27219 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:12,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:12,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 120 [2021-03-26 13:13:12,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:14,455 INFO L129 PetriNetUnfolder]: 802/1784 cut-off events. [2021-03-26 13:13:14,455 INFO L130 PetriNetUnfolder]: For 125837/126858 co-relation queries the response was YES. [2021-03-26 13:13:14,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31581 conditions, 1784 events. 802/1784 cut-off events. For 125837/126858 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 13238 event pairs, 47 based on Foata normal form. 1/1785 useless extension candidates. Maximal degree in co-relation 31427. Up to 1577 conditions per place. [2021-03-26 13:13:14,507 INFO L132 encePairwiseOnDemand]: 98/120 looper letters, 745 selfloop transitions, 155 changer transitions 0/903 dead transitions. [2021-03-26 13:13:14,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 903 transitions, 29916 flow [2021-03-26 13:13:14,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:13:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:13:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 106 transitions. [2021-03-26 13:13:14,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.11041666666666666 [2021-03-26 13:13:14,508 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 106 transitions. [2021-03-26 13:13:14,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 106 transitions. [2021-03-26 13:13:14,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:14,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 106 transitions. [2021-03-26 13:13:14,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 13.25) internal successors, (106), 8 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) [2021-03-26 13:13:14,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 120.0) internal successors, (1080), 9 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:14,510 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 120.0) internal successors, (1080), 9 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:14,510 INFO L185 Difference]: Start difference. First operand has 373 places, 876 transitions, 27219 flow. Second operand 8 states and 106 transitions. [2021-03-26 13:13:14,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 903 transitions, 29916 flow [2021-03-26 13:13:15,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 903 transitions, 29788 flow, removed 52 selfloop flow, removed 7 redundant places. [2021-03-26 13:13:15,483 INFO L241 Difference]: Finished difference. Result has 377 places, 892 transitions, 28067 flow [2021-03-26 13:13:15,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=27097, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28067, PETRI_PLACES=377, PETRI_TRANSITIONS=892} [2021-03-26 13:13:15,484 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 360 predicate places. [2021-03-26 13:13:15,484 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:15,484 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 892 transitions, 28067 flow [2021-03-26 13:13:15,484 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 892 transitions, 28067 flow [2021-03-26 13:13:15,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 892 transitions, 28067 flow [2021-03-26 13:13:15,943 INFO L129 PetriNetUnfolder]: 802/1784 cut-off events. [2021-03-26 13:13:15,943 INFO L130 PetriNetUnfolder]: For 128534/128656 co-relation queries the response was YES. [2021-03-26 13:13:15,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29992 conditions, 1784 events. 802/1784 cut-off events. For 128534/128656 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 13358 event pairs, 62 based on Foata normal form. 0/1784 useless extension candidates. Maximal degree in co-relation 29838. Up to 908 conditions per place. [2021-03-26 13:13:15,990 INFO L142 LiptonReduction]: Number of co-enabled transitions 1802 [2021-03-26 13:13:16,360 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:13:16,360 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:13:16,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 877 [2021-03-26 13:13:16,361 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 891 transitions, 28014 flow [2021-03-26 13:13:16,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:16,361 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:16,361 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:16,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 13:13:16,361 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:16,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:16,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1600915470, now seen corresponding path program 1 times [2021-03-26 13:13:16,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:16,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029562494] [2021-03-26 13:13:16,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:16,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:16,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:16,381 INFO L142 QuantifierPusher]: treesize reduction 207, result has 16.9 percent of original size [2021-03-26 13:13:16,381 INFO L147 QuantifierPusher]: treesize reduction 37, result has 11.9 percent of original size 5 [2021-03-26 13:13:16,405 INFO L142 QuantifierPusher]: treesize reduction 221, result has 27.5 percent of original size [2021-03-26 13:13:16,405 INFO L147 QuantifierPusher]: treesize reduction 13, result has 84.5 percent of original size 71 [2021-03-26 13:13:16,443 INFO L142 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size [2021-03-26 13:13:16,443 INFO L147 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size 19 [2021-03-26 13:13:16,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:16,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029562494] [2021-03-26 13:13:16,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745211395] [2021-03-26 13:13:16,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:16,479 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:13:16,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:16,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,492 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:13:16,492 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:13:16,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:16,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:16,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:16,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:16,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:16,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:16,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:16,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:13:16,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:16,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:16,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:16,527 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:16,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:16,528 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:13:16,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:16,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:16,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:13:16,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:13:16,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:13:16,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:13:16,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:13:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:13:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:16,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 61 [2021-03-26 13:13:16,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:13:16,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:13:16,555 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:16,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:16,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:16,573 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:64 [2021-03-26 13:13:16,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:16,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:16,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:16,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:13:16,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:13:16,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:16,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:13:16,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:13:16,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2021-03-26 13:13:16,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:13:16,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:13:16,611 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:16,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:16,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:16,629 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2021-03-26 13:13:16,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:16,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:16,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:16,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:16,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:16,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:13:16,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36774040] [2021-03-26 13:13:16,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:13:16,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:16,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:13:16,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:13:16,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 120 [2021-03-26 13:13:16,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 891 transitions, 28014 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:16,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:16,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 120 [2021-03-26 13:13:16,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:18,442 INFO L129 PetriNetUnfolder]: 811/1803 cut-off events. [2021-03-26 13:13:18,442 INFO L130 PetriNetUnfolder]: For 131002/132098 co-relation queries the response was YES. [2021-03-26 13:13:18,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32220 conditions, 1803 events. 811/1803 cut-off events. For 131002/132098 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13389 event pairs, 46 based on Foata normal form. 33/1836 useless extension candidates. Maximal degree in co-relation 32064. Up to 1626 conditions per place. [2021-03-26 13:13:18,479 INFO L132 encePairwiseOnDemand]: 98/120 looper letters, 764 selfloop transitions, 144 changer transitions 1/912 dead transitions. [2021-03-26 13:13:18,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 912 transitions, 30720 flow [2021-03-26 13:13:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:13:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:13:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 142 transitions. [2021-03-26 13:13:18,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09861111111111111 [2021-03-26 13:13:18,480 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 142 transitions. [2021-03-26 13:13:18,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 142 transitions. [2021-03-26 13:13:18,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:18,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 142 transitions. [2021-03-26 13:13:18,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 11.833333333333334) internal successors, (142), 12 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) [2021-03-26 13:13:18,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 120.0) internal successors, (1560), 13 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:18,482 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 120.0) internal successors, (1560), 13 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:18,482 INFO L185 Difference]: Start difference. First operand has 377 places, 891 transitions, 28014 flow. Second operand 12 states and 142 transitions. [2021-03-26 13:13:18,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 912 transitions, 30720 flow [2021-03-26 13:13:19,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 912 transitions, 30491 flow, removed 56 selfloop flow, removed 4 redundant places. [2021-03-26 13:13:19,225 INFO L241 Difference]: Finished difference. Result has 390 places, 910 transitions, 28951 flow [2021-03-26 13:13:19,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=27843, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=891, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=751, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=28951, PETRI_PLACES=390, PETRI_TRANSITIONS=910} [2021-03-26 13:13:19,226 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 373 predicate places. [2021-03-26 13:13:19,226 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:19,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 910 transitions, 28951 flow [2021-03-26 13:13:19,226 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 910 transitions, 28951 flow [2021-03-26 13:13:19,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 910 transitions, 28951 flow [2021-03-26 13:13:19,731 INFO L129 PetriNetUnfolder]: 811/1803 cut-off events. [2021-03-26 13:13:19,731 INFO L130 PetriNetUnfolder]: For 137276/137350 co-relation queries the response was YES. [2021-03-26 13:13:19,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30937 conditions, 1803 events. 811/1803 cut-off events. For 137276/137350 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 13551 event pairs, 54 based on Foata normal form. 0/1803 useless extension candidates. Maximal degree in co-relation 30777. Up to 916 conditions per place. [2021-03-26 13:13:19,783 INFO L142 LiptonReduction]: Number of co-enabled transitions 1842 [2021-03-26 13:13:20,783 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:13:21,029 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-26 13:13:21,537 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 13:13:21,537 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 13:13:21,537 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2311 [2021-03-26 13:13:21,538 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 906 transitions, 28944 flow [2021-03-26 13:13:21,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:21,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:21,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:21,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-03-26 13:13:21,753 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:21,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:21,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1297674183, now seen corresponding path program 1 times [2021-03-26 13:13:21,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:21,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415118761] [2021-03-26 13:13:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:21,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:21,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:21,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:21,775 INFO L142 QuantifierPusher]: treesize reduction 98, result has 22.8 percent of original size [2021-03-26 13:13:21,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:21,788 INFO L142 QuantifierPusher]: treesize reduction 93, result has 42.9 percent of original size [2021-03-26 13:13:21,788 INFO L147 QuantifierPusher]: treesize reduction 13, result has 81.4 percent of original size 57 [2021-03-26 13:13:21,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:21,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415118761] [2021-03-26 13:13:21,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583265161] [2021-03-26 13:13:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:21,840 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:13:21,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:21,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,876 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:13:21,876 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:13:21,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:21,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:21,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:21,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:21,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:21,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:21,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:21,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:21,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:21,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:21,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:13:21,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:21,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:21,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:21,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:21,898 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:21,898 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:13:21,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:21,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:21,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:21,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:13:21,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:21,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:21,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:13:21,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:21,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:21,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:13:21,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:21,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 34 [2021-03-26 13:13:21,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:13:21,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:13:21,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:21,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:13:21,927 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:21,927 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:34 [2021-03-26 13:13:21,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:13:21,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:21,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:13:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:21,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:21,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:13:21,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646322272] [2021-03-26 13:13:21,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:13:21,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:21,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:13:21,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:13:21,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 127 [2021-03-26 13:13:21,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 906 transitions, 28944 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:21,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:21,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 127 [2021-03-26 13:13:21,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:23,623 INFO L129 PetriNetUnfolder]: 822/1827 cut-off events. [2021-03-26 13:13:23,624 INFO L130 PetriNetUnfolder]: For 141631/144805 co-relation queries the response was YES. [2021-03-26 13:13:23,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33357 conditions, 1827 events. 822/1827 cut-off events. For 141631/144805 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13528 event pairs, 42 based on Foata normal form. 53/1879 useless extension candidates. Maximal degree in co-relation 33195. Up to 1651 conditions per place. [2021-03-26 13:13:23,658 INFO L132 encePairwiseOnDemand]: 91/127 looper letters, 727 selfloop transitions, 204 changer transitions 3/937 dead transitions. [2021-03-26 13:13:23,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 937 transitions, 32053 flow [2021-03-26 13:13:23,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 13:13:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 13:13:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 189 transitions. [2021-03-26 13:13:23,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09301181102362205 [2021-03-26 13:13:23,659 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 189 transitions. [2021-03-26 13:13:23,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 189 transitions. [2021-03-26 13:13:23,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:23,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 189 transitions. [2021-03-26 13:13:23,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 11.8125) internal successors, (189), 16 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:23,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 127.0) internal successors, (2159), 17 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:23,661 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 127.0) internal successors, (2159), 17 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:23,661 INFO L185 Difference]: Start difference. First operand has 387 places, 906 transitions, 28944 flow. Second operand 16 states and 189 transitions. [2021-03-26 13:13:23,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 937 transitions, 32053 flow [2021-03-26 13:13:24,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 937 transitions, 31673 flow, removed 108 selfloop flow, removed 6 redundant places. [2021-03-26 13:13:24,449 INFO L241 Difference]: Finished difference. Result has 403 places, 931 transitions, 30178 flow [2021-03-26 13:13:24,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=28579, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=30178, PETRI_PLACES=403, PETRI_TRANSITIONS=931} [2021-03-26 13:13:24,449 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 386 predicate places. [2021-03-26 13:13:24,449 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:24,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 931 transitions, 30178 flow [2021-03-26 13:13:24,450 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 931 transitions, 30178 flow [2021-03-26 13:13:24,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 402 places, 931 transitions, 30178 flow [2021-03-26 13:13:24,945 INFO L129 PetriNetUnfolder]: 822/1826 cut-off events. [2021-03-26 13:13:24,945 INFO L130 PetriNetUnfolder]: For 143764/143827 co-relation queries the response was YES. [2021-03-26 13:13:24,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31734 conditions, 1826 events. 822/1826 cut-off events. For 143764/143827 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 13699 event pairs, 63 based on Foata normal form. 0/1826 useless extension candidates. Maximal degree in co-relation 31570. Up to 925 conditions per place. [2021-03-26 13:13:24,995 INFO L142 LiptonReduction]: Number of co-enabled transitions 1884 [2021-03-26 13:13:26,162 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-26 13:13:26,163 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 13:13:26,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1714 [2021-03-26 13:13:26,163 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 927 transitions, 30073 flow [2021-03-26 13:13:26,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:26,163 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:26,163 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:13:26,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-26 13:13:26,378 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:26,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:26,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1664542817, now seen corresponding path program 1 times [2021-03-26 13:13:26,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:26,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723874111] [2021-03-26 13:13:26,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:26,392 INFO L142 QuantifierPusher]: treesize reduction 203, result has 5.1 percent of original size [2021-03-26 13:13:26,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:26,396 INFO L142 QuantifierPusher]: treesize reduction 6, result has 95.3 percent of original size [2021-03-26 13:13:26,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-03-26 13:13:26,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:26,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:26,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723874111] [2021-03-26 13:13:26,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:13:26,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:13:26,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74757162] [2021-03-26 13:13:26,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:13:26,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:26,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:13:26,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:13:26,435 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 134 [2021-03-26 13:13:26,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 927 transitions, 30073 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:26,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:26,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 134 [2021-03-26 13:13:26,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:27,805 INFO L129 PetriNetUnfolder]: 820/1822 cut-off events. [2021-03-26 13:13:27,805 INFO L130 PetriNetUnfolder]: For 144844/147523 co-relation queries the response was YES. [2021-03-26 13:13:27,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33551 conditions, 1822 events. 820/1822 cut-off events. For 144844/147523 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13574 event pairs, 45 based on Foata normal form. 47/1867 useless extension candidates. Maximal degree in co-relation 33385. Up to 1654 conditions per place. [2021-03-26 13:13:27,842 INFO L132 encePairwiseOnDemand]: 112/134 looper letters, 798 selfloop transitions, 124 changer transitions 5/930 dead transitions. [2021-03-26 13:13:27,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 930 transitions, 32063 flow [2021-03-26 13:13:27,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:13:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:13:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 87 transitions. [2021-03-26 13:13:27,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12985074626865672 [2021-03-26 13:13:27,843 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 87 transitions. [2021-03-26 13:13:27,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 87 transitions. [2021-03-26 13:13:27,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:27,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 87 transitions. [2021-03-26 13:13:27,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:27,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:27,844 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:27,844 INFO L185 Difference]: Start difference. First operand has 400 places, 927 transitions, 30073 flow. Second operand 5 states and 87 transitions. [2021-03-26 13:13:27,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 930 transitions, 32063 flow [2021-03-26 13:13:28,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 930 transitions, 31858 flow, removed 89 selfloop flow, removed 7 redundant places. [2021-03-26 13:13:28,663 INFO L241 Difference]: Finished difference. Result has 398 places, 924 transitions, 29990 flow [2021-03-26 13:13:28,663 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=29874, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=927, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=803, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=29990, PETRI_PLACES=398, PETRI_TRANSITIONS=924} [2021-03-26 13:13:28,663 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 381 predicate places. [2021-03-26 13:13:28,664 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:28,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 924 transitions, 29990 flow [2021-03-26 13:13:28,664 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 924 transitions, 29990 flow [2021-03-26 13:13:28,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 924 transitions, 29990 flow [2021-03-26 13:13:29,142 INFO L129 PetriNetUnfolder]: 819/1817 cut-off events. [2021-03-26 13:13:29,143 INFO L130 PetriNetUnfolder]: For 146023/146533 co-relation queries the response was YES. [2021-03-26 13:13:29,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31715 conditions, 1817 events. 819/1817 cut-off events. For 146023/146533 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 13639 event pairs, 63 based on Foata normal form. 1/1818 useless extension candidates. Maximal degree in co-relation 31553. Up to 917 conditions per place. [2021-03-26 13:13:29,194 INFO L142 LiptonReduction]: Number of co-enabled transitions 1868 [2021-03-26 13:13:29,351 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:13:29,351 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:13:29,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 687 [2021-03-26 13:13:29,351 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 924 transitions, 29990 flow [2021-03-26 13:13:29,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:29,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:29,351 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:29,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 13:13:29,352 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:29,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:29,352 INFO L82 PathProgramCache]: Analyzing trace with hash -144328098, now seen corresponding path program 1 times [2021-03-26 13:13:29,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:29,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095624884] [2021-03-26 13:13:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:29,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:29,364 INFO L142 QuantifierPusher]: treesize reduction 102, result has 9.7 percent of original size [2021-03-26 13:13:29,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:29,369 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.3 percent of original size [2021-03-26 13:13:29,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:13:29,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:29,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095624884] [2021-03-26 13:13:29,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414632343] [2021-03-26 13:13:29,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:29,422 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:13:29,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:29,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:29,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:13:29,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:29,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:13:29,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:29,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:13:29,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:13:29,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2021-03-26 13:13:29,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:13:29,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:13:29,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:29,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:13:29,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:29,469 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:37 [2021-03-26 13:13:29,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:13:29,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:13:29,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:29,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:29,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:13:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:29,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:13:29,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:13:29,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:29,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:13:29,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:13:29,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:29,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:29,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 91 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 95 [2021-03-26 13:13:29,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:13:29,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:13:29,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:29,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:13:29,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:13:29,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:13:29,583 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:83 [2021-03-26 13:13:29,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:13:29,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:13:29,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:29,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:29,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:13:29,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:13:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:29,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:29,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:13:29,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848655306] [2021-03-26 13:13:29,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:13:29,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:29,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:13:29,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:13:29,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 134 [2021-03-26 13:13:29,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 924 transitions, 29990 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:13:29,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:29,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 134 [2021-03-26 13:13:29,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:31,024 INFO L129 PetriNetUnfolder]: 819/1819 cut-off events. [2021-03-26 13:13:31,025 INFO L130 PetriNetUnfolder]: For 147151/148750 co-relation queries the response was YES. [2021-03-26 13:13:31,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33582 conditions, 1819 events. 819/1819 cut-off events. For 147151/148750 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13595 event pairs, 39 based on Foata normal form. 46/1865 useless extension candidates. Maximal degree in co-relation 33418. Up to 1677 conditions per place. [2021-03-26 13:13:31,064 INFO L132 encePairwiseOnDemand]: 107/134 looper letters, 775 selfloop transitions, 145 changer transitions 4/927 dead transitions. [2021-03-26 13:13:31,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 927 transitions, 31969 flow [2021-03-26 13:13:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:13:31,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:13:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2021-03-26 13:13:31,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09981343283582089 [2021-03-26 13:13:31,065 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 107 transitions. [2021-03-26 13:13:31,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 107 transitions. [2021-03-26 13:13:31,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:31,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 107 transitions. [2021-03-26 13:13:31,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:31,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 134.0) internal successors, (1206), 9 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:31,066 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 134.0) internal successors, (1206), 9 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:31,066 INFO L185 Difference]: Start difference. First operand has 395 places, 924 transitions, 29990 flow. Second operand 8 states and 107 transitions. [2021-03-26 13:13:31,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 927 transitions, 31969 flow [2021-03-26 13:13:31,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 927 transitions, 31598 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 13:13:31,942 INFO L241 Difference]: Finished difference. Result has 397 places, 922 transitions, 29830 flow [2021-03-26 13:13:31,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=29626, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=924, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=779, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29830, PETRI_PLACES=397, PETRI_TRANSITIONS=922} [2021-03-26 13:13:31,943 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 380 predicate places. [2021-03-26 13:13:31,943 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:31,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 922 transitions, 29830 flow [2021-03-26 13:13:31,944 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 922 transitions, 29830 flow [2021-03-26 13:13:31,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 922 transitions, 29830 flow [2021-03-26 13:13:32,536 INFO L129 PetriNetUnfolder]: 818/1815 cut-off events. [2021-03-26 13:13:32,536 INFO L130 PetriNetUnfolder]: For 142437/142746 co-relation queries the response was YES. [2021-03-26 13:13:32,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31287 conditions, 1815 events. 818/1815 cut-off events. For 142437/142746 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 13614 event pairs, 59 based on Foata normal form. 1/1816 useless extension candidates. Maximal degree in co-relation 31126. Up to 916 conditions per place. [2021-03-26 13:13:32,600 INFO L142 LiptonReduction]: Number of co-enabled transitions 1864 [2021-03-26 13:13:32,771 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:13:32,771 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:13:32,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 828 [2021-03-26 13:13:32,772 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 922 transitions, 29830 flow [2021-03-26 13:13:32,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:13:32,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:32,772 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:32,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:32,987 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:32,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:32,987 INFO L82 PathProgramCache]: Analyzing trace with hash -2015335434, now seen corresponding path program 1 times [2021-03-26 13:13:32,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:32,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075125916] [2021-03-26 13:13:32,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:32,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:32,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:33,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:33,005 INFO L142 QuantifierPusher]: treesize reduction 244, result has 2.0 percent of original size [2021-03-26 13:13:33,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:33,010 INFO L142 QuantifierPusher]: treesize reduction 251, result has 17.7 percent of original size [2021-03-26 13:13:33,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:13:33,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:33,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:33,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075125916] [2021-03-26 13:13:33,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:13:33,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:13:33,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958612680] [2021-03-26 13:13:33,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:13:33,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:33,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:13:33,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:13:33,025 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 134 [2021-03-26 13:13:33,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 922 transitions, 29830 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:33,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:33,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 134 [2021-03-26 13:13:33,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:34,202 INFO L129 PetriNetUnfolder]: 833/1848 cut-off events. [2021-03-26 13:13:34,202 INFO L130 PetriNetUnfolder]: For 147072/148735 co-relation queries the response was YES. [2021-03-26 13:13:34,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33766 conditions, 1848 events. 833/1848 cut-off events. For 147072/148735 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 13720 event pairs, 48 based on Foata normal form. 18/1866 useless extension candidates. Maximal degree in co-relation 33603. Up to 1641 conditions per place. [2021-03-26 13:13:34,241 INFO L132 encePairwiseOnDemand]: 110/134 looper letters, 789 selfloop transitions, 161 changer transitions 0/953 dead transitions. [2021-03-26 13:13:34,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 953 transitions, 32787 flow [2021-03-26 13:13:34,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:13:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:13:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 109 transitions. [2021-03-26 13:13:34,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10167910447761194 [2021-03-26 13:13:34,242 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 109 transitions. [2021-03-26 13:13:34,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 109 transitions. [2021-03-26 13:13:34,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:34,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 109 transitions. [2021-03-26 13:13:34,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:34,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 134.0) internal successors, (1206), 9 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:34,243 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 134.0) internal successors, (1206), 9 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:34,243 INFO L185 Difference]: Start difference. First operand has 394 places, 922 transitions, 29830 flow. Second operand 8 states and 109 transitions. [2021-03-26 13:13:34,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 953 transitions, 32787 flow [2021-03-26 13:13:35,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 953 transitions, 32491 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-26 13:13:35,126 INFO L241 Difference]: Finished difference. Result has 399 places, 941 transitions, 30701 flow [2021-03-26 13:13:35,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=29538, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=922, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=762, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30701, PETRI_PLACES=399, PETRI_TRANSITIONS=941} [2021-03-26 13:13:35,127 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 382 predicate places. [2021-03-26 13:13:35,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:35,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 941 transitions, 30701 flow [2021-03-26 13:13:35,128 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 941 transitions, 30701 flow [2021-03-26 13:13:35,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 399 places, 941 transitions, 30701 flow [2021-03-26 13:13:35,678 INFO L129 PetriNetUnfolder]: 833/1848 cut-off events. [2021-03-26 13:13:35,678 INFO L130 PetriNetUnfolder]: For 147332/147388 co-relation queries the response was YES. [2021-03-26 13:13:35,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32247 conditions, 1848 events. 833/1848 cut-off events. For 147332/147388 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13959 event pairs, 61 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 32083. Up to 925 conditions per place. [2021-03-26 13:13:35,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 1902 [2021-03-26 13:13:36,150 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:13:36,150 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:13:36,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1023 [2021-03-26 13:13:36,150 INFO L480 AbstractCegarLoop]: Abstraction has has 399 places, 939 transitions, 30589 flow [2021-03-26 13:13:36,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:36,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:36,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:36,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 13:13:36,150 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:36,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:36,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2107300996, now seen corresponding path program 1 times [2021-03-26 13:13:36,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:36,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143056751] [2021-03-26 13:13:36,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:36,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:36,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:36,171 INFO L142 QuantifierPusher]: treesize reduction 243, result has 4.3 percent of original size [2021-03-26 13:13:36,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:36,179 INFO L142 QuantifierPusher]: treesize reduction 251, result has 19.0 percent of original size [2021-03-26 13:13:36,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:13:36,191 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-03-26 13:13:36,192 INFO L147 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size 25 [2021-03-26 13:13:36,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:36,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143056751] [2021-03-26 13:13:36,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723854659] [2021-03-26 13:13:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:36,256 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:13:36,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:36,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,268 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:13:36,269 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:13:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:36,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:36,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:36,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:36,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:36,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:36,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:13:36,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:36,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:36,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:36,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:36,301 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:36,301 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:13:36,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:36,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:36,315 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size 72 [2021-03-26 13:13:36,315 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-03-26 13:13:36,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:36,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:13:36,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:36,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:36,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 66 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2021-03-26 13:13:36,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:13:36,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:13:36,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:36,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:13:36,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:36,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:89 [2021-03-26 13:13:36,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:13:36,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:13:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:13:36,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:13:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:13:36,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:36,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:36,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:13:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:36,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2021-03-26 13:13:36,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:13:36,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:13:36,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:36,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:13:36,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:36,449 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2021-03-26 13:13:36,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:13:36,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:36,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:13:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:36,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:36,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:13:36,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061558698] [2021-03-26 13:13:36,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:13:36,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:36,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:13:36,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:13:36,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 134 [2021-03-26 13:13:36,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 939 transitions, 30589 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:36,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:36,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 134 [2021-03-26 13:13:36,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:38,083 INFO L129 PetriNetUnfolder]: 840/1861 cut-off events. [2021-03-26 13:13:38,084 INFO L130 PetriNetUnfolder]: For 150436/152002 co-relation queries the response was YES. [2021-03-26 13:13:38,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34455 conditions, 1861 events. 840/1861 cut-off events. For 150436/152002 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 13872 event pairs, 47 based on Foata normal form. 33/1894 useless extension candidates. Maximal degree in co-relation 34289. Up to 1687 conditions per place. [2021-03-26 13:13:38,121 INFO L132 encePairwiseOnDemand]: 112/134 looper letters, 812 selfloop transitions, 143 changer transitions 1/959 dead transitions. [2021-03-26 13:13:38,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 959 transitions, 33423 flow [2021-03-26 13:13:38,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:13:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:13:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 145 transitions. [2021-03-26 13:13:38,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09017412935323384 [2021-03-26 13:13:38,122 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 145 transitions. [2021-03-26 13:13:38,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 145 transitions. [2021-03-26 13:13:38,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:38,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 145 transitions. [2021-03-26 13:13:38,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 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) [2021-03-26 13:13:38,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 134.0) internal successors, (1742), 13 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:38,136 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 134.0) internal successors, (1742), 13 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:38,136 INFO L185 Difference]: Start difference. First operand has 399 places, 939 transitions, 30589 flow. Second operand 12 states and 145 transitions. [2021-03-26 13:13:38,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 959 transitions, 33423 flow [2021-03-26 13:13:39,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 959 transitions, 33178 flow, removed 66 selfloop flow, removed 3 redundant places. [2021-03-26 13:13:39,237 INFO L241 Difference]: Finished difference. Result has 413 places, 957 transitions, 31537 flow [2021-03-26 13:13:39,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=30360, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=31537, PETRI_PLACES=413, PETRI_TRANSITIONS=957} [2021-03-26 13:13:39,237 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 396 predicate places. [2021-03-26 13:13:39,237 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:39,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 957 transitions, 31537 flow [2021-03-26 13:13:39,238 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 957 transitions, 31537 flow [2021-03-26 13:13:39,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 957 transitions, 31537 flow [2021-03-26 13:13:39,938 INFO L129 PetriNetUnfolder]: 840/1861 cut-off events. [2021-03-26 13:13:39,938 INFO L130 PetriNetUnfolder]: For 156640/156654 co-relation queries the response was YES. [2021-03-26 13:13:39,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33114 conditions, 1861 events. 840/1861 cut-off events. For 156640/156654 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 14066 event pairs, 58 based on Foata normal form. 0/1861 useless extension candidates. Maximal degree in co-relation 32943. Up to 931 conditions per place. [2021-03-26 13:13:39,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 1938 [2021-03-26 13:13:40,256 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-26 13:13:41,279 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:13:41,658 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-26 13:13:41,786 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-26 13:13:41,916 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:13:42,389 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 13:13:42,389 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 13:13:42,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3152 [2021-03-26 13:13:42,390 INFO L480 AbstractCegarLoop]: Abstraction has has 410 places, 953 transitions, 31533 flow [2021-03-26 13:13:42,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:42,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:42,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:42,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:42,604 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:42,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:42,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1258287313, now seen corresponding path program 1 times [2021-03-26 13:13:42,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:42,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661898013] [2021-03-26 13:13:42,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:42,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:42,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:42,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:42,620 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:13:42,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:13:42,624 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:13:42,624 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:13:42,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:42,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661898013] [2021-03-26 13:13:42,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132492316] [2021-03-26 13:13:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:42,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:13:42,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:42,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:42,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:42,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:42,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:42,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:42,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:13:42,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:42,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:42,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:42,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:42,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:42,734 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:13:42,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:42,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:42,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:13:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:13:42,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:13:42,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:13:42,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:42,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:13:42,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:13:42,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:42,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:13:42,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:13:42,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:42,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:13:42,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:42,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:42,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:42,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:13:42,760 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:13:42,760 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:13:42,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:13:42,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:42,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:42,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:42,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:13:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:42,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:42,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:13:42,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850678851] [2021-03-26 13:13:42,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:13:42,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:42,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:13:42,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:13:42,773 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 141 [2021-03-26 13:13:42,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 953 transitions, 31533 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:42,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:42,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 141 [2021-03-26 13:13:42,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:44,546 INFO L129 PetriNetUnfolder]: 902/2011 cut-off events. [2021-03-26 13:13:44,547 INFO L130 PetriNetUnfolder]: For 176313/176557 co-relation queries the response was YES. [2021-03-26 13:13:44,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38326 conditions, 2011 events. 902/2011 cut-off events. For 176313/176557 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 15357 event pairs, 54 based on Foata normal form. 28/2038 useless extension candidates. Maximal degree in co-relation 38153. Up to 1592 conditions per place. [2021-03-26 13:13:44,595 INFO L132 encePairwiseOnDemand]: 106/141 looper letters, 797 selfloop transitions, 243 changer transitions 17/1060 dead transitions. [2021-03-26 13:13:44,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 1060 transitions, 37781 flow [2021-03-26 13:13:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:13:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:13:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 181 transitions. [2021-03-26 13:13:44,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0916919959473151 [2021-03-26 13:13:44,596 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 181 transitions. [2021-03-26 13:13:44,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 181 transitions. [2021-03-26 13:13:44,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:44,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 181 transitions. [2021-03-26 13:13:44,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 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) [2021-03-26 13:13:44,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 141.0) internal successors, (2115), 15 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:44,598 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 141.0) internal successors, (2115), 15 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:44,598 INFO L185 Difference]: Start difference. First operand has 410 places, 953 transitions, 31533 flow. Second operand 14 states and 181 transitions. [2021-03-26 13:13:44,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 1060 transitions, 37781 flow [2021-03-26 13:13:45,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 1060 transitions, 37346 flow, removed 128 selfloop flow, removed 6 redundant places. [2021-03-26 13:13:45,776 INFO L241 Difference]: Finished difference. Result has 421 places, 998 transitions, 33459 flow [2021-03-26 13:13:45,777 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=31137, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=724, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=33459, PETRI_PLACES=421, PETRI_TRANSITIONS=998} [2021-03-26 13:13:45,777 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 404 predicate places. [2021-03-26 13:13:45,777 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:45,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 998 transitions, 33459 flow [2021-03-26 13:13:45,777 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 998 transitions, 33459 flow [2021-03-26 13:13:45,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 998 transitions, 33459 flow [2021-03-26 13:13:46,483 INFO L129 PetriNetUnfolder]: 895/1987 cut-off events. [2021-03-26 13:13:46,483 INFO L130 PetriNetUnfolder]: For 173507/173599 co-relation queries the response was YES. [2021-03-26 13:13:46,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35962 conditions, 1987 events. 895/1987 cut-off events. For 173507/173599 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 15133 event pairs, 69 based on Foata normal form. 0/1987 useless extension candidates. Maximal degree in co-relation 35790. Up to 1010 conditions per place. [2021-03-26 13:13:46,664 INFO L142 LiptonReduction]: Number of co-enabled transitions 2020 [2021-03-26 13:13:46,931 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:13:46,931 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:13:46,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1154 [2021-03-26 13:13:46,931 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 998 transitions, 33459 flow [2021-03-26 13:13:46,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:46,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:46,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:13:47,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:47,134 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:47,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:47,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1664125278, now seen corresponding path program 1 times [2021-03-26 13:13:47,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:47,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667389956] [2021-03-26 13:13:47,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:47,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:47,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:47,180 INFO L142 QuantifierPusher]: treesize reduction 210, result has 48.0 percent of original size [2021-03-26 13:13:47,181 INFO L147 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size 146 [2021-03-26 13:13:47,329 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-26 13:13:47,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:47,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:47,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667389956] [2021-03-26 13:13:47,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:13:47,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:13:47,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590091146] [2021-03-26 13:13:47,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:13:47,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:47,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:13:47,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:13:47,347 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 141 [2021-03-26 13:13:47,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 998 transitions, 33459 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:47,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:47,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 141 [2021-03-26 13:13:47,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:48,880 INFO L129 PetriNetUnfolder]: 895/1989 cut-off events. [2021-03-26 13:13:48,880 INFO L130 PetriNetUnfolder]: For 173667/174166 co-relation queries the response was YES. [2021-03-26 13:13:48,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37997 conditions, 1989 events. 895/1989 cut-off events. For 173667/174166 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 15061 event pairs, 54 based on Foata normal form. 15/2004 useless extension candidates. Maximal degree in co-relation 37823. Up to 1812 conditions per place. [2021-03-26 13:13:48,928 INFO L132 encePairwiseOnDemand]: 118/141 looper letters, 862 selfloop transitions, 132 changer transitions 4/1001 dead transitions. [2021-03-26 13:13:48,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 1001 transitions, 35587 flow [2021-03-26 13:13:48,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:13:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:13:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 85 transitions. [2021-03-26 13:13:48,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12056737588652482 [2021-03-26 13:13:48,930 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 85 transitions. [2021-03-26 13:13:48,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 85 transitions. [2021-03-26 13:13:48,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:48,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 85 transitions. [2021-03-26 13:13:48,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:48,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:48,930 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:48,930 INFO L185 Difference]: Start difference. First operand has 417 places, 998 transitions, 33459 flow. Second operand 5 states and 85 transitions. [2021-03-26 13:13:48,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 1001 transitions, 35587 flow [2021-03-26 13:13:50,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1001 transitions, 35388 flow, removed 66 selfloop flow, removed 7 redundant places. [2021-03-26 13:13:50,040 INFO L241 Difference]: Finished difference. Result has 415 places, 996 transitions, 33434 flow [2021-03-26 13:13:50,041 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=33262, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=866, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=33434, PETRI_PLACES=415, PETRI_TRANSITIONS=996} [2021-03-26 13:13:50,041 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 398 predicate places. [2021-03-26 13:13:50,041 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:50,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 996 transitions, 33434 flow [2021-03-26 13:13:50,041 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 996 transitions, 33434 flow [2021-03-26 13:13:50,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 996 transitions, 33434 flow [2021-03-26 13:13:50,729 INFO L129 PetriNetUnfolder]: 894/1985 cut-off events. [2021-03-26 13:13:50,729 INFO L130 PetriNetUnfolder]: For 174844/174930 co-relation queries the response was YES. [2021-03-26 13:13:50,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35854 conditions, 1985 events. 894/1985 cut-off events. For 174844/174930 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 15160 event pairs, 67 based on Foata normal form. 0/1985 useless extension candidates. Maximal degree in co-relation 35684. Up to 1009 conditions per place. [2021-03-26 13:13:50,785 INFO L142 LiptonReduction]: Number of co-enabled transitions 2014 [2021-03-26 13:13:50,965 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:13:50,965 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:13:50,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 925 [2021-03-26 13:13:50,973 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 996 transitions, 33434 flow [2021-03-26 13:13:50,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:50,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:50,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:50,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 13:13:50,973 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:50,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:50,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1609423976, now seen corresponding path program 1 times [2021-03-26 13:13:50,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:50,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790752793] [2021-03-26 13:13:50,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:51,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:51,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:51,014 INFO L142 QuantifierPusher]: treesize reduction 205, result has 36.5 percent of original size [2021-03-26 13:13:51,014 INFO L147 QuantifierPusher]: treesize reduction 47, result has 60.2 percent of original size 71 [2021-03-26 13:13:51,127 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2021-03-26 13:13:51,129 INFO L142 QuantifierPusher]: treesize reduction 206, result has 47.7 percent of original size [2021-03-26 13:13:51,130 INFO L147 QuantifierPusher]: treesize reduction 54, result has 71.3 percent of original size 134 [2021-03-26 13:13:51,248 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2021-03-26 13:13:51,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:51,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790752793] [2021-03-26 13:13:51,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146797483] [2021-03-26 13:13:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:51,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:13:51,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:51,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:51,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:51,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:51,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:51,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:51,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:51,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:51,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:51,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:51,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:13:51,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:51,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:51,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:51,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:51,329 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:13:51,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:51,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:51,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:51,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:51,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:51,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:51,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 13:13:51,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:13:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 13:13:51,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:13:51,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:13:51,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:13:51,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:13:51,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:13:51,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 13:13:51,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:13:51,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:51,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 78 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 91 [2021-03-26 13:13:51,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-26 13:13:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-26 13:13:51,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:51,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-26 13:13:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:13:51,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:13:51,435 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:73, output treesize:94 [2021-03-26 13:13:51,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-26 13:13:51,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:13:51,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:51,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:51,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-26 13:13:51,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:13:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:51,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:13:51,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:13:51,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489553028] [2021-03-26 13:13:51,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:13:51,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:51,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:13:51,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:13:51,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 141 [2021-03-26 13:13:51,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 996 transitions, 33434 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:51,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:51,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 141 [2021-03-26 13:13:51,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:52,893 INFO L129 PetriNetUnfolder]: 895/1987 cut-off events. [2021-03-26 13:13:52,893 INFO L130 PetriNetUnfolder]: For 179101/182602 co-relation queries the response was YES. [2021-03-26 13:13:52,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37886 conditions, 1987 events. 895/1987 cut-off events. For 179101/182602 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 15037 event pairs, 63 based on Foata normal form. 27/2014 useless extension candidates. Maximal degree in co-relation 37714. Up to 1969 conditions per place. [2021-03-26 13:13:52,939 INFO L132 encePairwiseOnDemand]: 121/141 looper letters, 964 selfloop transitions, 32 changer transitions 0/999 dead transitions. [2021-03-26 13:13:52,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 999 transitions, 35590 flow [2021-03-26 13:13:52,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:13:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:13:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 100 transitions. [2021-03-26 13:13:52,940 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10131712259371833 [2021-03-26 13:13:52,940 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 100 transitions. [2021-03-26 13:13:52,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 100 transitions. [2021-03-26 13:13:52,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:52,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 100 transitions. [2021-03-26 13:13:52,941 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) [2021-03-26 13:13:52,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 141.0) internal successors, (1128), 8 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:52,941 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 141.0) internal successors, (1128), 8 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:52,941 INFO L185 Difference]: Start difference. First operand has 413 places, 996 transitions, 33434 flow. Second operand 7 states and 100 transitions. [2021-03-26 13:13:52,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 999 transitions, 35590 flow [2021-03-26 13:13:53,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 999 transitions, 35207 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-26 13:13:53,999 INFO L241 Difference]: Finished difference. Result has 415 places, 998 transitions, 33230 flow [2021-03-26 13:13:54,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=33051, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=996, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=964, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=33230, PETRI_PLACES=415, PETRI_TRANSITIONS=998} [2021-03-26 13:13:54,000 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 398 predicate places. [2021-03-26 13:13:54,000 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:54,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 998 transitions, 33230 flow [2021-03-26 13:13:54,001 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 998 transitions, 33230 flow [2021-03-26 13:13:54,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 415 places, 998 transitions, 33230 flow [2021-03-26 13:13:54,600 INFO L129 PetriNetUnfolder]: 895/1987 cut-off events. [2021-03-26 13:13:54,600 INFO L130 PetriNetUnfolder]: For 173084/173256 co-relation queries the response was YES. [2021-03-26 13:13:54,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35567 conditions, 1987 events. 895/1987 cut-off events. For 173084/173256 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 15160 event pairs, 68 based on Foata normal form. 0/1987 useless extension candidates. Maximal degree in co-relation 35397. Up to 1011 conditions per place. [2021-03-26 13:13:54,659 INFO L142 LiptonReduction]: Number of co-enabled transitions 2018 [2021-03-26 13:13:55,102 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:13:55,103 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:13:55,103 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1103 [2021-03-26 13:13:55,103 INFO L480 AbstractCegarLoop]: Abstraction has has 415 places, 997 transitions, 33175 flow [2021-03-26 13:13:55,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:55,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:13:55,103 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:13:55,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:13:55,319 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:13:55,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:13:55,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1647464096, now seen corresponding path program 1 times [2021-03-26 13:13:55,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:13:55,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431299258] [2021-03-26 13:13:55,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:13:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:55,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:55,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:55,375 INFO L142 QuantifierPusher]: treesize reduction 205, result has 37.5 percent of original size [2021-03-26 13:13:55,376 INFO L147 QuantifierPusher]: treesize reduction 47, result has 61.8 percent of original size 76 [2021-03-26 13:13:55,498 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-03-26 13:13:55,502 INFO L142 QuantifierPusher]: treesize reduction 220, result has 44.9 percent of original size [2021-03-26 13:13:55,503 INFO L147 QuantifierPusher]: treesize reduction 40, result has 77.7 percent of original size 139 [2021-03-26 13:13:55,597 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:13:55,598 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:13:55,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:55,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431299258] [2021-03-26 13:13:55,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482821948] [2021-03-26 13:13:55,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:13:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:13:55,636 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:13:55,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:13:55,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,661 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:13:55,661 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:13:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,673 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:13:55,674 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:13:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:13:55,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:55,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:55,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:55,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:13:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:13:55,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:13:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:13:55,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:55,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:55,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:55,699 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:13:55,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:55,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:55,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:55,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:55,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:55,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:13:55,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:13:55,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:13:55,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:13:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:13:55,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:13:55,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:13:55,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 78 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 69 [2021-03-26 13:13:55,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:13:55,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:13:55,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:55,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:55,752 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:13:55,752 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:72 [2021-03-26 13:13:55,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:55,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:55,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:55,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:13:55,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:13:55,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:13:55,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:13:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:13:55,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:13:55,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:13:55,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:13:55,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:13:55,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:13:55,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2021-03-26 13:13:55,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:13:55,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:13:55,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:13:55,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:55,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:13:55,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:13:55,863 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:78, output treesize:77 [2021-03-26 13:13:55,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:55,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:13:55,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:13:55,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:13:55,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:13:55,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:13:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:13:55,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:13:55,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:13:55,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707155816] [2021-03-26 13:13:55,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:13:55,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:13:55,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:13:55,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:13:55,906 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 141 [2021-03-26 13:13:55,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 997 transitions, 33175 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:13:55,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:13:55,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 141 [2021-03-26 13:13:55,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:13:58,152 INFO L129 PetriNetUnfolder]: 907/2017 cut-off events. [2021-03-26 13:13:58,152 INFO L130 PetriNetUnfolder]: For 179045/180182 co-relation queries the response was YES. [2021-03-26 13:13:58,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38301 conditions, 2017 events. 907/2017 cut-off events. For 179045/180182 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 15297 event pairs, 55 based on Foata normal form. 18/2035 useless extension candidates. Maximal degree in co-relation 38129. Up to 1751 conditions per place. [2021-03-26 13:13:58,197 INFO L132 encePairwiseOnDemand]: 112/141 looper letters, 822 selfloop transitions, 195 changer transitions 9/1029 dead transitions. [2021-03-26 13:13:58,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 1029 transitions, 36677 flow [2021-03-26 13:13:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:13:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:13:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 148 transitions. [2021-03-26 13:13:58,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08747044917257683 [2021-03-26 13:13:58,199 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 148 transitions. [2021-03-26 13:13:58,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 148 transitions. [2021-03-26 13:13:58,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:13:58,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 148 transitions. [2021-03-26 13:13:58,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.333333333333334) internal successors, (148), 12 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) [2021-03-26 13:13:58,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:58,200 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:13:58,200 INFO L185 Difference]: Start difference. First operand has 415 places, 997 transitions, 33175 flow. Second operand 12 states and 148 transitions. [2021-03-26 13:13:58,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 1029 transitions, 36677 flow [2021-03-26 13:13:59,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 1029 transitions, 36490 flow, removed 56 selfloop flow, removed 6 redundant places. [2021-03-26 13:13:59,332 INFO L241 Difference]: Finished difference. Result has 426 places, 1009 transitions, 34074 flow [2021-03-26 13:13:59,333 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=33050, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=997, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=803, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34074, PETRI_PLACES=426, PETRI_TRANSITIONS=1009} [2021-03-26 13:13:59,333 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 409 predicate places. [2021-03-26 13:13:59,333 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:13:59,333 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 1009 transitions, 34074 flow [2021-03-26 13:13:59,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 1009 transitions, 34074 flow [2021-03-26 13:13:59,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 1009 transitions, 34074 flow [2021-03-26 13:13:59,999 INFO L129 PetriNetUnfolder]: 905/2008 cut-off events. [2021-03-26 13:13:59,999 INFO L130 PetriNetUnfolder]: For 183742/183855 co-relation queries the response was YES. [2021-03-26 13:14:00,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36780 conditions, 2008 events. 905/2008 cut-off events. For 183742/183855 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 15365 event pairs, 66 based on Foata normal form. 0/2008 useless extension candidates. Maximal degree in co-relation 36616. Up to 1020 conditions per place. [2021-03-26 13:14:00,056 INFO L142 LiptonReduction]: Number of co-enabled transitions 2042 [2021-03-26 13:14:00,242 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-26 13:14:00,394 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-26 13:14:00,648 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:14:00,754 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-26 13:14:00,948 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:14:01,377 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:14:01,377 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:14:01,377 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2044 [2021-03-26 13:14:01,377 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 1008 transitions, 34152 flow [2021-03-26 13:14:01,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:01,377 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:01,377 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:01,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-03-26 13:14:01,592 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:01,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:01,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1263828439, now seen corresponding path program 1 times [2021-03-26 13:14:01,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:01,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531305775] [2021-03-26 13:14:01,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:01,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:01,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:01,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:01,605 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:14:01,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:14:01,609 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:14:01,610 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:14:01,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:01,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531305775] [2021-03-26 13:14:01,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706414120] [2021-03-26 13:14:01,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:14:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:01,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:14:01,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:01,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:01,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:01,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:01,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:01,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:01,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:01,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:01,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:01,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:01,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:01,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:01,697 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:01,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:01,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:01,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:14:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:14:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:14:01,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:14:01,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:14:01,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:01,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:14:01,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:14:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:14:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:01,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:14:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:01,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:01,718 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:01,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:14:01,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:01,724 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:14:01,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:14:01,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:01,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:01,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:01,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:14:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:01,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:14:01,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:14:01,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324515383] [2021-03-26 13:14:01,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:14:01,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:01,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:14:01,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:14:01,738 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 144 [2021-03-26 13:14:01,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 1008 transitions, 34152 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:01,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:01,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 144 [2021-03-26 13:14:01,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:03,796 INFO L129 PetriNetUnfolder]: 916/2038 cut-off events. [2021-03-26 13:14:03,796 INFO L130 PetriNetUnfolder]: For 189409/190086 co-relation queries the response was YES. [2021-03-26 13:14:03,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39607 conditions, 2038 events. 916/2038 cut-off events. For 189409/190086 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 15536 event pairs, 51 based on Foata normal form. 31/2069 useless extension candidates. Maximal degree in co-relation 39430. Up to 1534 conditions per place. [2021-03-26 13:14:03,839 INFO L132 encePairwiseOnDemand]: 110/144 looper letters, 760 selfloop transitions, 295 changer transitions 16/1074 dead transitions. [2021-03-26 13:14:03,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 1074 transitions, 38923 flow [2021-03-26 13:14:03,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 13:14:03,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 13:14:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2021-03-26 13:14:03,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08703703703703704 [2021-03-26 13:14:03,840 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 188 transitions. [2021-03-26 13:14:03,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 188 transitions. [2021-03-26 13:14:03,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:03,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 188 transitions. [2021-03-26 13:14:03,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.533333333333333) internal successors, (188), 15 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) [2021-03-26 13:14:03,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:03,841 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:03,841 INFO L185 Difference]: Start difference. First operand has 421 places, 1008 transitions, 34152 flow. Second operand 15 states and 188 transitions. [2021-03-26 13:14:03,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 1074 transitions, 38923 flow [2021-03-26 13:14:04,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 1074 transitions, 38625 flow, removed 74 selfloop flow, removed 7 redundant places. [2021-03-26 13:14:04,821 INFO L241 Difference]: Finished difference. Result has 431 places, 1022 transitions, 35281 flow [2021-03-26 13:14:04,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=33895, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=721, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35281, PETRI_PLACES=431, PETRI_TRANSITIONS=1022} [2021-03-26 13:14:04,822 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 414 predicate places. [2021-03-26 13:14:04,822 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:04,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 431 places, 1022 transitions, 35281 flow [2021-03-26 13:14:04,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 431 places, 1022 transitions, 35281 flow [2021-03-26 13:14:04,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 1022 transitions, 35281 flow [2021-03-26 13:14:05,421 INFO L129 PetriNetUnfolder]: 909/2015 cut-off events. [2021-03-26 13:14:05,421 INFO L130 PetriNetUnfolder]: For 187412/187710 co-relation queries the response was YES. [2021-03-26 13:14:05,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37258 conditions, 2015 events. 909/2015 cut-off events. For 187412/187710 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 15380 event pairs, 64 based on Foata normal form. 1/2016 useless extension candidates. Maximal degree in co-relation 37083. Up to 1023 conditions per place. [2021-03-26 13:14:05,480 INFO L142 LiptonReduction]: Number of co-enabled transitions 2068 [2021-03-26 13:14:05,707 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:14:05,707 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:14:05,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 885 [2021-03-26 13:14:05,707 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 1022 transitions, 35281 flow [2021-03-26 13:14:05,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:05,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:05,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:05,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:05,923 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:05,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:05,923 INFO L82 PathProgramCache]: Analyzing trace with hash -526947868, now seen corresponding path program 1 times [2021-03-26 13:14:05,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:05,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447110268] [2021-03-26 13:14:05,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:05,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:05,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:05,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:05,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:05,939 INFO L142 QuantifierPusher]: treesize reduction 234, result has 33.3 percent of original size [2021-03-26 13:14:05,940 INFO L147 QuantifierPusher]: treesize reduction 40, result has 65.8 percent of original size 77 [2021-03-26 13:14:06,021 INFO L142 QuantifierPusher]: treesize reduction 243, result has 43.1 percent of original size [2021-03-26 13:14:06,022 INFO L147 QuantifierPusher]: treesize reduction 39, result has 78.8 percent of original size 145 [2021-03-26 13:14:06,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:06,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447110268] [2021-03-26 13:14:06,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95216240] [2021-03-26 13:14:06,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:06,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:14:06,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:06,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:06,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:06,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:06,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:06,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:06,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:06,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:06,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:06,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:06,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:06,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:06,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:06,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:06,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:06,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:06,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:06,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:06,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:06,184 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:06,184 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:06,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:06,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:06,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:14:06,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:06,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:14:06,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:06,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 13:14:06,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:14:06,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:14:06,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:14:06,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:14:06,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:06,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:06,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 91 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 98 [2021-03-26 13:14:06,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:14:06,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:14:06,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:06,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:14:06,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-26 13:14:06,303 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:06,303 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:78, output treesize:101 [2021-03-26 13:14:06,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:14:06,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-26 13:14:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:06,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:06,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:14:06,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-26 13:14:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:06,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:14:06,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:14:06,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014848367] [2021-03-26 13:14:06,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:14:06,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:06,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:14:06,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:14:06,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 144 [2021-03-26 13:14:06,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 1022 transitions, 35281 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:06,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:06,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 144 [2021-03-26 13:14:06,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:07,721 INFO L129 PetriNetUnfolder]: 910/2017 cut-off events. [2021-03-26 13:14:07,722 INFO L130 PetriNetUnfolder]: For 189182/189961 co-relation queries the response was YES. [2021-03-26 13:14:07,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39320 conditions, 2017 events. 910/2017 cut-off events. For 189182/189961 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 15226 event pairs, 61 based on Foata normal form. 21/2038 useless extension candidates. Maximal degree in co-relation 39143. Up to 1998 conditions per place. [2021-03-26 13:14:07,764 INFO L132 encePairwiseOnDemand]: 123/144 looper letters, 988 selfloop transitions, 34 changer transitions 0/1025 dead transitions. [2021-03-26 13:14:07,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 1025 transitions, 37493 flow [2021-03-26 13:14:07,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:14:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:14:07,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 102 transitions. [2021-03-26 13:14:07,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10119047619047619 [2021-03-26 13:14:07,766 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 102 transitions. [2021-03-26 13:14:07,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 102 transitions. [2021-03-26 13:14:07,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:07,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 102 transitions. [2021-03-26 13:14:07,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:07,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 144.0) internal successors, (1152), 8 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:07,767 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 144.0) internal successors, (1152), 8 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:07,767 INFO L185 Difference]: Start difference. First operand has 428 places, 1022 transitions, 35281 flow. Second operand 7 states and 102 transitions. [2021-03-26 13:14:07,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 1025 transitions, 37493 flow [2021-03-26 13:14:08,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 1025 transitions, 37324 flow, removed 69 selfloop flow, removed 5 redundant places. [2021-03-26 13:14:08,801 INFO L241 Difference]: Finished difference. Result has 430 places, 1024 transitions, 35295 flow [2021-03-26 13:14:08,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=35112, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1022, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=988, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=35295, PETRI_PLACES=430, PETRI_TRANSITIONS=1024} [2021-03-26 13:14:08,802 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 413 predicate places. [2021-03-26 13:14:08,802 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:08,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 1024 transitions, 35295 flow [2021-03-26 13:14:08,802 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 1024 transitions, 35295 flow [2021-03-26 13:14:08,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 430 places, 1024 transitions, 35295 flow [2021-03-26 13:14:09,382 INFO L129 PetriNetUnfolder]: 910/2017 cut-off events. [2021-03-26 13:14:09,382 INFO L130 PetriNetUnfolder]: For 189689/189761 co-relation queries the response was YES. [2021-03-26 13:14:09,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37243 conditions, 2017 events. 910/2017 cut-off events. For 189689/189761 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 15389 event pairs, 63 based on Foata normal form. 0/2017 useless extension candidates. Maximal degree in co-relation 37068. Up to 1025 conditions per place. [2021-03-26 13:14:09,440 INFO L142 LiptonReduction]: Number of co-enabled transitions 2072 [2021-03-26 13:14:09,918 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:14:09,919 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:14:09,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1117 [2021-03-26 13:14:09,919 INFO L480 AbstractCegarLoop]: Abstraction has has 430 places, 1023 transitions, 35240 flow [2021-03-26 13:14:09,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:09,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:09,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:10,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-26 13:14:10,134 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:10,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:10,135 INFO L82 PathProgramCache]: Analyzing trace with hash -729939924, now seen corresponding path program 1 times [2021-03-26 13:14:10,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:10,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308549044] [2021-03-26 13:14:10,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:10,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:10,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:10,156 INFO L142 QuantifierPusher]: treesize reduction 248, result has 30.3 percent of original size [2021-03-26 13:14:10,156 INFO L147 QuantifierPusher]: treesize reduction 26, result has 75.9 percent of original size 82 [2021-03-26 13:14:10,225 INFO L142 QuantifierPusher]: treesize reduction 236, result has 45.4 percent of original size [2021-03-26 13:14:10,227 INFO L147 QuantifierPusher]: treesize reduction 46, result has 76.5 percent of original size 150 [2021-03-26 13:14:10,323 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:14:10,324 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:14:10,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:10,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308549044] [2021-03-26 13:14:10,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273552531] [2021-03-26 13:14:10,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:14:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:10,360 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:14:10,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:10,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,373 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:14:10,373 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:14:10,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:10,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:10,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:10,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:10,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:10,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:10,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:10,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:10,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:10,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:10,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:10,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:10,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:10,420 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:10,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:10,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:10,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:10,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:10,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:10,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:14:10,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:14:10,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:14:10,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:14:10,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:14:10,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:14:10,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 91 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 74 [2021-03-26 13:14:10,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:14:10,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:14:10,446 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:10,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:14:10,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:10,471 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:77 [2021-03-26 13:14:10,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:14:10,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:14:10,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:14:10,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:10,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:10,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:10,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:14:10,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:10,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:14:10,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-26 13:14:10,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:10,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:10,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:10,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2021-03-26 13:14:10,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 13:14:10,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 13:14:10,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:10,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:10,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 13:14:10,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:10,565 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:82 [2021-03-26 13:14:10,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:10,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 13:14:10,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:10,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:10,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:10,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 13:14:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:10,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:14:10,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:14:10,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139719378] [2021-03-26 13:14:10,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:14:10,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:14:10,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:14:10,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 144 [2021-03-26 13:14:10,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 1023 transitions, 35240 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:10,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:10,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 144 [2021-03-26 13:14:10,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:12,502 INFO L129 PetriNetUnfolder]: 922/2047 cut-off events. [2021-03-26 13:14:12,502 INFO L130 PetriNetUnfolder]: For 193434/193702 co-relation queries the response was YES. [2021-03-26 13:14:12,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40032 conditions, 2047 events. 922/2047 cut-off events. For 193434/193702 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 15575 event pairs, 51 based on Foata normal form. 18/2065 useless extension candidates. Maximal degree in co-relation 39855. Up to 1771 conditions per place. [2021-03-26 13:14:12,545 INFO L132 encePairwiseOnDemand]: 113/144 looper letters, 834 selfloop transitions, 209 changer transitions 9/1055 dead transitions. [2021-03-26 13:14:12,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 1055 transitions, 38840 flow [2021-03-26 13:14:12,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:14:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:14:12,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2021-03-26 13:14:12,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08680555555555555 [2021-03-26 13:14:12,546 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 150 transitions. [2021-03-26 13:14:12,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 150 transitions. [2021-03-26 13:14:12,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:12,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 150 transitions. [2021-03-26 13:14:12,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:12,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 144.0) internal successors, (1872), 13 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:12,548 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 144.0) internal successors, (1872), 13 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:12,548 INFO L185 Difference]: Start difference. First operand has 430 places, 1023 transitions, 35240 flow. Second operand 12 states and 150 transitions. [2021-03-26 13:14:12,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 1055 transitions, 38840 flow [2021-03-26 13:14:13,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 1055 transitions, 38652 flow, removed 56 selfloop flow, removed 6 redundant places. [2021-03-26 13:14:13,547 INFO L241 Difference]: Finished difference. Result has 441 places, 1035 transitions, 36207 flow [2021-03-26 13:14:13,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=35114, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=815, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=36207, PETRI_PLACES=441, PETRI_TRANSITIONS=1035} [2021-03-26 13:14:13,548 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 424 predicate places. [2021-03-26 13:14:13,548 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:13,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 1035 transitions, 36207 flow [2021-03-26 13:14:13,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 1035 transitions, 36207 flow [2021-03-26 13:14:13,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 1035 transitions, 36207 flow [2021-03-26 13:14:14,197 INFO L129 PetriNetUnfolder]: 920/2038 cut-off events. [2021-03-26 13:14:14,197 INFO L130 PetriNetUnfolder]: For 200987/201121 co-relation queries the response was YES. [2021-03-26 13:14:14,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38476 conditions, 2038 events. 920/2038 cut-off events. For 200987/201121 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 15600 event pairs, 68 based on Foata normal form. 0/2038 useless extension candidates. Maximal degree in co-relation 38307. Up to 1034 conditions per place. [2021-03-26 13:14:14,253 INFO L142 LiptonReduction]: Number of co-enabled transitions 2096 [2021-03-26 13:14:14,536 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:14:14,742 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:14:15,001 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-26 13:14:15,141 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:14:15,356 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-26 13:14:15,499 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:14:15,903 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:14:15,903 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:14:15,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2355 [2021-03-26 13:14:15,903 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 1034 transitions, 36287 flow [2021-03-26 13:14:15,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:15,903 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:15,903 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:16,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:16,118 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:16,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:16,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1261289514, now seen corresponding path program 1 times [2021-03-26 13:14:16,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:16,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517865222] [2021-03-26 13:14:16,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:16,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:16,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:16,134 INFO L142 QuantifierPusher]: treesize reduction 91, result has 31.1 percent of original size [2021-03-26 13:14:16,135 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size 34 [2021-03-26 13:14:16,159 INFO L142 QuantifierPusher]: treesize reduction 92, result has 45.2 percent of original size [2021-03-26 13:14:16,160 INFO L147 QuantifierPusher]: treesize reduction 14, result has 81.6 percent of original size 62 [2021-03-26 13:14:16,194 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:14:16,194 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:14:16,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:16,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517865222] [2021-03-26 13:14:16,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81839152] [2021-03-26 13:14:16,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:14:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:16,228 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:14:16,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:16,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:16,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:16,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:16,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:16,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:16,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:16,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:16,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:16,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:16,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:16,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:16,276 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:16,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:16,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:14:16,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:14:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:14:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:14:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:14:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:14:16,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 34 [2021-03-26 13:14:16,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:14:16,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:14:16,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:16,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:14:16,308 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:16,308 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:37 [2021-03-26 13:14:16,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:14:16,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:14:16,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:14:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:14:16,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:14:16,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:14:16,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:14:16,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:16,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:14:16,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:14:16,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:14:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:14:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:16,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2021-03-26 13:14:16,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:14:16,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:14:16,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:16,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:16,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:14:16,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:16,361 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:42 [2021-03-26 13:14:16,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:16,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:14:16,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:16,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:16,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:16,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:14:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:16,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:14:16,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:14:16,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869952877] [2021-03-26 13:14:16,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:14:16,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:16,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:14:16,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:14:16,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 147 [2021-03-26 13:14:16,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 1034 transitions, 36287 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:16,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:16,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 147 [2021-03-26 13:14:16,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:18,783 INFO L129 PetriNetUnfolder]: 935/2078 cut-off events. [2021-03-26 13:14:18,783 INFO L130 PetriNetUnfolder]: For 207012/208221 co-relation queries the response was YES. [2021-03-26 13:14:18,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41622 conditions, 2078 events. 935/2078 cut-off events. For 207012/208221 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 15838 event pairs, 50 based on Foata normal form. 24/2102 useless extension candidates. Maximal degree in co-relation 41440. Up to 1805 conditions per place. [2021-03-26 13:14:18,829 INFO L132 encePairwiseOnDemand]: 108/147 looper letters, 815 selfloop transitions, 232 changer transitions 26/1076 dead transitions. [2021-03-26 13:14:18,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 1076 transitions, 40442 flow [2021-03-26 13:14:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:14:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:14:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 152 transitions. [2021-03-26 13:14:18,831 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08616780045351474 [2021-03-26 13:14:18,831 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 152 transitions. [2021-03-26 13:14:18,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 152 transitions. [2021-03-26 13:14:18,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:18,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 152 transitions. [2021-03-26 13:14:18,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.666666666666666) internal successors, (152), 12 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:18,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:18,832 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:18,832 INFO L185 Difference]: Start difference. First operand has 436 places, 1034 transitions, 36287 flow. Second operand 12 states and 152 transitions. [2021-03-26 13:14:18,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 1076 transitions, 40442 flow [2021-03-26 13:14:20,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 1076 transitions, 40141 flow, removed 72 selfloop flow, removed 7 redundant places. [2021-03-26 13:14:20,360 INFO L241 Difference]: Finished difference. Result has 444 places, 1034 transitions, 36618 flow [2021-03-26 13:14:20,361 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=36009, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1034, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=802, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=36618, PETRI_PLACES=444, PETRI_TRANSITIONS=1034} [2021-03-26 13:14:20,362 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 427 predicate places. [2021-03-26 13:14:20,362 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:20,362 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 444 places, 1034 transitions, 36618 flow [2021-03-26 13:14:20,362 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 444 places, 1034 transitions, 36618 flow [2021-03-26 13:14:20,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 1034 transitions, 36618 flow [2021-03-26 13:14:21,308 INFO L129 PetriNetUnfolder]: 927/2049 cut-off events. [2021-03-26 13:14:21,309 INFO L130 PetriNetUnfolder]: For 205499/205573 co-relation queries the response was YES. [2021-03-26 13:14:21,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38786 conditions, 2049 events. 927/2049 cut-off events. For 205499/205573 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 15658 event pairs, 63 based on Foata normal form. 0/2049 useless extension candidates. Maximal degree in co-relation 38605. Up to 1047 conditions per place. [2021-03-26 13:14:21,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 2094 [2021-03-26 13:14:21,731 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:14:21,731 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:14:21,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1369 [2021-03-26 13:14:21,732 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 1034 transitions, 36618 flow [2021-03-26 13:14:21,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:21,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:21,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:21,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:21,947 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:21,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:21,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1323132218, now seen corresponding path program 1 times [2021-03-26 13:14:21,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:21,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231429288] [2021-03-26 13:14:21,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:21,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:21,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:21,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:21,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:21,966 INFO L142 QuantifierPusher]: treesize reduction 261, result has 31.1 percent of original size [2021-03-26 13:14:21,966 INFO L147 QuantifierPusher]: treesize reduction 35, result has 70.3 percent of original size 83 [2021-03-26 13:14:22,046 INFO L142 QuantifierPusher]: treesize reduction 256, result has 44.3 percent of original size [2021-03-26 13:14:22,047 INFO L147 QuantifierPusher]: treesize reduction 48, result has 76.5 percent of original size 156 [2021-03-26 13:14:22,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:22,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231429288] [2021-03-26 13:14:22,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250091676] [2021-03-26 13:14:22,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:22,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:14:22,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:22,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:22,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:22,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:22,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:22,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:22,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:22,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:22,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:22,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:22,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:22,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:22,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:22,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:22,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:22,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:22,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:22,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:22,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:22,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:22,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:22,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:22,224 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:22,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:22,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:22,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:22,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:22,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:22,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:22,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:22,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:14:22,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-26 13:14:22,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:14:22,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 13:14:22,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:22,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:22,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:22,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 105 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 105 [2021-03-26 13:14:22,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:14:22,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:14:22,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:22,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:14:22,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:14:22,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:22,358 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:108 [2021-03-26 13:14:22,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:14:22,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:14:22,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:22,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:14:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:14:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:22,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:14:22,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:14:22,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354977204] [2021-03-26 13:14:22,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:14:22,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:22,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:14:22,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:14:22,386 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 147 [2021-03-26 13:14:22,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 1034 transitions, 36618 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:22,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:22,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 147 [2021-03-26 13:14:22,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:24,106 INFO L129 PetriNetUnfolder]: 928/2051 cut-off events. [2021-03-26 13:14:24,107 INFO L130 PetriNetUnfolder]: For 208249/208786 co-relation queries the response was YES. [2021-03-26 13:14:24,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40884 conditions, 2051 events. 928/2051 cut-off events. For 208249/208786 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 15504 event pairs, 62 based on Foata normal form. 1/2052 useless extension candidates. Maximal degree in co-relation 40701. Up to 2031 conditions per place. [2021-03-26 13:14:24,153 INFO L132 encePairwiseOnDemand]: 125/147 looper letters, 998 selfloop transitions, 36 changer transitions 0/1037 dead transitions. [2021-03-26 13:14:24,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1037 transitions, 38860 flow [2021-03-26 13:14:24,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:14:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:14:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 104 transitions. [2021-03-26 13:14:24,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1010689990281827 [2021-03-26 13:14:24,155 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 104 transitions. [2021-03-26 13:14:24,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 104 transitions. [2021-03-26 13:14:24,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:24,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 104 transitions. [2021-03-26 13:14:24,155 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) [2021-03-26 13:14:24,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 147.0) internal successors, (1176), 8 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:24,155 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 147.0) internal successors, (1176), 8 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:24,155 INFO L185 Difference]: Start difference. First operand has 438 places, 1034 transitions, 36618 flow. Second operand 7 states and 104 transitions. [2021-03-26 13:14:24,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1037 transitions, 38860 flow [2021-03-26 13:14:25,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 1037 transitions, 37933 flow, removed 45 selfloop flow, removed 10 redundant places. [2021-03-26 13:14:25,277 INFO L241 Difference]: Finished difference. Result has 435 places, 1036 transitions, 35882 flow [2021-03-26 13:14:25,278 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=35696, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1034, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=35882, PETRI_PLACES=435, PETRI_TRANSITIONS=1036} [2021-03-26 13:14:25,278 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 418 predicate places. [2021-03-26 13:14:25,278 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:25,278 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 1036 transitions, 35882 flow [2021-03-26 13:14:25,278 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 1036 transitions, 35882 flow [2021-03-26 13:14:25,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 435 places, 1036 transitions, 35882 flow [2021-03-26 13:14:25,920 INFO L129 PetriNetUnfolder]: 928/2051 cut-off events. [2021-03-26 13:14:25,920 INFO L130 PetriNetUnfolder]: For 196376/196411 co-relation queries the response was YES. [2021-03-26 13:14:25,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38185 conditions, 2051 events. 928/2051 cut-off events. For 196376/196411 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 15645 event pairs, 64 based on Foata normal form. 0/2051 useless extension candidates. Maximal degree in co-relation 38007. Up to 1046 conditions per place. [2021-03-26 13:14:25,984 INFO L142 LiptonReduction]: Number of co-enabled transitions 2098 [2021-03-26 13:14:26,510 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:14:26,510 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:14:26,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1232 [2021-03-26 13:14:26,510 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 1035 transitions, 35830 flow [2021-03-26 13:14:26,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:26,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:26,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:26,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:26,725 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:26,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:26,726 INFO L82 PathProgramCache]: Analyzing trace with hash -2117823935, now seen corresponding path program 1 times [2021-03-26 13:14:26,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:26,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186309962] [2021-03-26 13:14:26,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:26,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:26,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:26,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:26,740 INFO L142 QuantifierPusher]: treesize reduction 86, result has 33.3 percent of original size [2021-03-26 13:14:26,741 INFO L147 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size 29 [2021-03-26 13:14:26,768 INFO L142 QuantifierPusher]: treesize reduction 81, result has 50.3 percent of original size [2021-03-26 13:14:26,768 INFO L147 QuantifierPusher]: treesize reduction 25, result has 69.5 percent of original size 57 [2021-03-26 13:14:26,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:26,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186309962] [2021-03-26 13:14:26,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270712801] [2021-03-26 13:14:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-26 13:14:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:26,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:14:26,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:26,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:26,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:26,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:26,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:26,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:26,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:26,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:26,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:26,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:26,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:26,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:26,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:26,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:26,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:26,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:26,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:26,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:26,894 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:26,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:26,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:26,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:26,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:14:26,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:26,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:14:26,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:14:26,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:14:26,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:14:26,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:14:26,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:14:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:26,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 42 [2021-03-26 13:14:26,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:14:26,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:14:26,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:26,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:14:26,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:14:26,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:26,943 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:45 [2021-03-26 13:14:26,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:14:26,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:14:26,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:26,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:26,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:14:26,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:14:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:26,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:14:26,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:14:26,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833170312] [2021-03-26 13:14:26,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:14:26,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:26,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:14:26,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:14:26,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 147 [2021-03-26 13:14:26,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 1035 transitions, 35830 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:26,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:26,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 147 [2021-03-26 13:14:26,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:29,450 INFO L129 PetriNetUnfolder]: 946/2098 cut-off events. [2021-03-26 13:14:29,450 INFO L130 PetriNetUnfolder]: For 203704/204533 co-relation queries the response was YES. [2021-03-26 13:14:29,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41272 conditions, 2098 events. 946/2098 cut-off events. For 203704/204533 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 16017 event pairs, 47 based on Foata normal form. 39/2137 useless extension candidates. Maximal degree in co-relation 41092. Up to 1775 conditions per place. [2021-03-26 13:14:29,494 INFO L132 encePairwiseOnDemand]: 113/147 looper letters, 830 selfloop transitions, 267 changer transitions 1/1101 dead transitions. [2021-03-26 13:14:29,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 1101 transitions, 40554 flow [2021-03-26 13:14:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 13:14:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 13:14:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 220 transitions. [2021-03-26 13:14:29,495 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07876834944504117 [2021-03-26 13:14:29,495 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 220 transitions. [2021-03-26 13:14:29,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 220 transitions. [2021-03-26 13:14:29,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:29,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 220 transitions. [2021-03-26 13:14:29,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 11.578947368421053) internal successors, (220), 19 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) [2021-03-26 13:14:29,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 147.0) internal successors, (2940), 20 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:29,497 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 147.0) internal successors, (2940), 20 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:29,497 INFO L185 Difference]: Start difference. First operand has 435 places, 1035 transitions, 35830 flow. Second operand 19 states and 220 transitions. [2021-03-26 13:14:29,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 1101 transitions, 40554 flow [2021-03-26 13:14:30,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 1101 transitions, 40426 flow, removed 29 selfloop flow, removed 5 redundant places. [2021-03-26 13:14:30,571 INFO L241 Difference]: Finished difference. Result has 452 places, 1069 transitions, 37817 flow [2021-03-26 13:14:30,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=35702, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1035, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=792, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=37817, PETRI_PLACES=452, PETRI_TRANSITIONS=1069} [2021-03-26 13:14:30,572 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 435 predicate places. [2021-03-26 13:14:30,572 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:30,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 1069 transitions, 37817 flow [2021-03-26 13:14:30,572 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 1069 transitions, 37817 flow [2021-03-26 13:14:30,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 452 places, 1069 transitions, 37817 flow [2021-03-26 13:14:31,250 INFO L129 PetriNetUnfolder]: 946/2098 cut-off events. [2021-03-26 13:14:31,250 INFO L130 PetriNetUnfolder]: For 211007/211304 co-relation queries the response was YES. [2021-03-26 13:14:31,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39776 conditions, 2098 events. 946/2098 cut-off events. For 211007/211304 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 16105 event pairs, 66 based on Foata normal form. 0/2097 useless extension candidates. Maximal degree in co-relation 39595. Up to 1076 conditions per place. [2021-03-26 13:14:31,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 2164 [2021-03-26 13:14:32,305 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 13:14:32,305 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 13:14:32,305 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1733 [2021-03-26 13:14:32,306 INFO L480 AbstractCegarLoop]: Abstraction has has 450 places, 1063 transitions, 37533 flow [2021-03-26 13:14:32,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:32,306 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:32,306 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:32,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:32,521 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:32,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:32,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1297744051, now seen corresponding path program 1 times [2021-03-26 13:14:32,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:32,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494749321] [2021-03-26 13:14:32,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:32,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:32,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:32,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:32,543 INFO L142 QuantifierPusher]: treesize reduction 73, result has 46.3 percent of original size [2021-03-26 13:14:32,543 INFO L147 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size 51 [2021-03-26 13:14:32,583 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:14:32,584 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:14:32,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:32,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494749321] [2021-03-26 13:14:32,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388058540] [2021-03-26 13:14:32,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:32,622 WARN L261 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 13:14:32,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:32,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,637 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:14:32,637 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:14:32,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:32,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:14:32,666 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-26 13:14:32,666 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-26 13:14:32,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:14:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:14:32,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:14:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:14:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2021-03-26 13:14:32,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:14:32,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:14:32,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:32,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:14:32,682 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:32,682 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:26 [2021-03-26 13:14:32,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:14:32,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:14:32,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:14:32,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:32,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:14:32,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:32,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:14:32,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 21 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 49 [2021-03-26 13:14:32,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:14:32,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:14:32,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:32,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:14:32,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:32,729 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:46 [2021-03-26 13:14:32,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:14:32,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:14:32,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:14:32,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:14:32,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:14:32,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:14:32,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:14:32,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:32,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:14:32,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:14:32,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:14:32,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:14:32,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:32,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 66 [2021-03-26 13:14:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:14:32,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:14:32,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:32,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:32,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:14:32,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:32,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:52, output treesize:51 [2021-03-26 13:14:32,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:32,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:14:32,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:32,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:14:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:32,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:14:32,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:14:32,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804138065] [2021-03-26 13:14:32,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:14:32,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:32,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:14:32,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:14:32,829 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2021-03-26 13:14:32,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 1063 transitions, 37533 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:32,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:32,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2021-03-26 13:14:32,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:35,667 INFO L129 PetriNetUnfolder]: 941/2080 cut-off events. [2021-03-26 13:14:35,668 INFO L130 PetriNetUnfolder]: For 209783/211894 co-relation queries the response was YES. [2021-03-26 13:14:35,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41534 conditions, 2080 events. 941/2080 cut-off events. For 209783/211894 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 15750 event pairs, 56 based on Foata normal form. 16/2095 useless extension candidates. Maximal degree in co-relation 41351. Up to 1877 conditions per place. [2021-03-26 13:14:35,715 INFO L132 encePairwiseOnDemand]: 119/149 looper letters, 889 selfloop transitions, 170 changer transitions 4/1066 dead transitions. [2021-03-26 13:14:35,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 1066 transitions, 39790 flow [2021-03-26 13:14:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:14:35,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:14:35,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 136 transitions. [2021-03-26 13:14:35,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08297742525930446 [2021-03-26 13:14:35,717 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 136 transitions. [2021-03-26 13:14:35,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 136 transitions. [2021-03-26 13:14:35,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:35,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 136 transitions. [2021-03-26 13:14:35,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 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) [2021-03-26 13:14:35,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 149.0) internal successors, (1788), 12 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:35,718 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 149.0) internal successors, (1788), 12 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:35,718 INFO L185 Difference]: Start difference. First operand has 450 places, 1063 transitions, 37533 flow. Second operand 11 states and 136 transitions. [2021-03-26 13:14:35,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 1066 transitions, 39790 flow [2021-03-26 13:14:36,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 1066 transitions, 39615 flow, removed 40 selfloop flow, removed 13 redundant places. [2021-03-26 13:14:36,921 INFO L241 Difference]: Finished difference. Result has 448 places, 1059 transitions, 37495 flow [2021-03-26 13:14:36,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=37317, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=892, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=37495, PETRI_PLACES=448, PETRI_TRANSITIONS=1059} [2021-03-26 13:14:36,922 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 431 predicate places. [2021-03-26 13:14:36,922 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:36,922 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 1059 transitions, 37495 flow [2021-03-26 13:14:36,923 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 1059 transitions, 37495 flow [2021-03-26 13:14:36,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 444 places, 1059 transitions, 37495 flow [2021-03-26 13:14:37,578 INFO L129 PetriNetUnfolder]: 940/2076 cut-off events. [2021-03-26 13:14:37,578 INFO L130 PetriNetUnfolder]: For 209351/209820 co-relation queries the response was YES. [2021-03-26 13:14:37,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39525 conditions, 2076 events. 940/2076 cut-off events. For 209351/209820 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 15877 event pairs, 63 based on Foata normal form. 0/2075 useless extension candidates. Maximal degree in co-relation 39344. Up to 1063 conditions per place. [2021-03-26 13:14:37,643 INFO L142 LiptonReduction]: Number of co-enabled transitions 2144 [2021-03-26 13:14:37,865 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:14:37,865 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:14:37,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 943 [2021-03-26 13:14:37,866 INFO L480 AbstractCegarLoop]: Abstraction has has 444 places, 1059 transitions, 37495 flow [2021-03-26 13:14:37,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:37,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:37,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:38,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-03-26 13:14:38,080 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:38,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:38,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1932574684, now seen corresponding path program 1 times [2021-03-26 13:14:38,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:38,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455606226] [2021-03-26 13:14:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:38,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:38,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:38,103 INFO L142 QuantifierPusher]: treesize reduction 270, result has 29.7 percent of original size [2021-03-26 13:14:38,104 INFO L147 QuantifierPusher]: treesize reduction 26, result has 77.2 percent of original size 88 [2021-03-26 13:14:38,182 INFO L142 QuantifierPusher]: treesize reduction 249, result has 46.5 percent of original size [2021-03-26 13:14:38,183 INFO L147 QuantifierPusher]: treesize reduction 55, result has 74.5 percent of original size 161 [2021-03-26 13:14:38,294 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:14:38,295 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:14:38,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:38,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455606226] [2021-03-26 13:14:38,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835528850] [2021-03-26 13:14:38,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:14:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:38,334 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:14:38,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:38,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,360 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:14:38,361 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:14:38,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:38,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:38,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:38,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:38,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:38,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:38,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:38,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:38,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:38,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:38,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:38,386 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:38,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:38,387 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:38,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:38,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:38,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:38,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:38,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:38,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:38,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:14:38,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:14:38,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:14:38,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:14:38,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:14:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:14:38,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 105 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 79 [2021-03-26 13:14:38,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 13:14:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 13:14:38,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:38,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:14:38,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:38,445 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:82 [2021-03-26 13:14:38,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:14:38,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:14:38,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:38,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:14:38,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:38,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:14:38,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:14:38,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:38,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:14:38,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:14:38,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:38,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:14:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:38,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2021-03-26 13:14:38,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-26 13:14:38,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-26 13:14:38,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:38,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:38,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:14:38,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:38,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:87 [2021-03-26 13:14:38,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:38,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:14:38,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:38,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:38,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:38,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:14:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:38,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:14:38,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:14:38,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271907983] [2021-03-26 13:14:38,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:14:38,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:38,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:14:38,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:14:38,600 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2021-03-26 13:14:38,600 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 1059 transitions, 37495 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:38,600 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:38,600 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2021-03-26 13:14:38,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:41,445 INFO L129 PetriNetUnfolder]: 953/2107 cut-off events. [2021-03-26 13:14:41,445 INFO L130 PetriNetUnfolder]: For 216909/219020 co-relation queries the response was YES. [2021-03-26 13:14:41,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42385 conditions, 2107 events. 953/2107 cut-off events. For 216909/219020 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 16043 event pairs, 50 based on Foata normal form. 34/2140 useless extension candidates. Maximal degree in co-relation 42202. Up to 1820 conditions per place. [2021-03-26 13:14:41,510 INFO L132 encePairwiseOnDemand]: 119/149 looper letters, 863 selfloop transitions, 215 changer transitions 9/1090 dead transitions. [2021-03-26 13:14:41,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 1090 transitions, 41089 flow [2021-03-26 13:14:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:14:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:14:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2021-03-26 13:14:41,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08389261744966443 [2021-03-26 13:14:41,512 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 150 transitions. [2021-03-26 13:14:41,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 150 transitions. [2021-03-26 13:14:41,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:41,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 150 transitions. [2021-03-26 13:14:41,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:41,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 149.0) internal successors, (1937), 13 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:41,513 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 149.0) internal successors, (1937), 13 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:41,513 INFO L185 Difference]: Start difference. First operand has 444 places, 1059 transitions, 37495 flow. Second operand 12 states and 150 transitions. [2021-03-26 13:14:41,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 1090 transitions, 41089 flow [2021-03-26 13:14:42,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 1090 transitions, 40451 flow, removed 16 selfloop flow, removed 10 redundant places. [2021-03-26 13:14:42,984 INFO L241 Difference]: Finished difference. Result has 451 places, 1071 transitions, 38009 flow [2021-03-26 13:14:42,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=36879, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=845, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=38009, PETRI_PLACES=451, PETRI_TRANSITIONS=1071} [2021-03-26 13:14:42,985 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 434 predicate places. [2021-03-26 13:14:42,985 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:42,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 451 places, 1071 transitions, 38009 flow [2021-03-26 13:14:42,985 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 451 places, 1071 transitions, 38009 flow [2021-03-26 13:14:42,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 1071 transitions, 38009 flow [2021-03-26 13:14:43,869 INFO L129 PetriNetUnfolder]: 951/2098 cut-off events. [2021-03-26 13:14:43,869 INFO L130 PetriNetUnfolder]: For 208751/208909 co-relation queries the response was YES. [2021-03-26 13:14:43,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39898 conditions, 2098 events. 951/2098 cut-off events. For 208751/208909 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 16045 event pairs, 58 based on Foata normal form. 0/2098 useless extension candidates. Maximal degree in co-relation 39724. Up to 1074 conditions per place. [2021-03-26 13:14:43,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 2170 [2021-03-26 13:14:44,329 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-26 13:14:44,667 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-26 13:14:44,935 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-26 13:14:45,081 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:14:45,531 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:14:45,531 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:14:45,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2547 [2021-03-26 13:14:45,532 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 1070 transitions, 38094 flow [2021-03-26 13:14:45,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:45,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:45,532 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:45,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:45,747 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:45,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:45,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1260732134, now seen corresponding path program 1 times [2021-03-26 13:14:45,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:45,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453568188] [2021-03-26 13:14:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:45,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:45,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:45,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:45,780 INFO L142 QuantifierPusher]: treesize reduction 135, result has 26.2 percent of original size [2021-03-26 13:14:45,780 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size 41 [2021-03-26 13:14:45,813 INFO L142 QuantifierPusher]: treesize reduction 132, result has 42.4 percent of original size [2021-03-26 13:14:45,814 INFO L147 QuantifierPusher]: treesize reduction 18, result has 81.4 percent of original size 79 [2021-03-26 13:14:45,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:45,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453568188] [2021-03-26 13:14:45,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756938057] [2021-03-26 13:14:45,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:14:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:45,896 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:14:45,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:45,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,910 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:14:45,910 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:14:45,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,923 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:14:45,923 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:14:45,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,935 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:14:45,935 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:14:45,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:45,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:45,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:45,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:45,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:45,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:45,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:45,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:45,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:45,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:45,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:45,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:45,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:45,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:45,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:45,958 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:45,959 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:45,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:45,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:45,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:45,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:14:45,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:45,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:45,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:14:45,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:45,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:45,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:14:45,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:14:45,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 44 [2021-03-26 13:14:45,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:14:45,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:14:45,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:45,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:14:45,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:45,993 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:44 [2021-03-26 13:14:45,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:14:45,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:45,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:14:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:46,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:14:46,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:14:46,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81404842] [2021-03-26 13:14:46,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:14:46,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:46,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:14:46,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:14:46,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 152 [2021-03-26 13:14:46,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 1070 transitions, 38094 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:46,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:46,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 152 [2021-03-26 13:14:46,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:48,202 INFO L129 PetriNetUnfolder]: 962/2124 cut-off events. [2021-03-26 13:14:48,202 INFO L130 PetriNetUnfolder]: For 208932/209066 co-relation queries the response was YES. [2021-03-26 13:14:48,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42722 conditions, 2124 events. 962/2124 cut-off events. For 208932/209066 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 16139 event pairs, 50 based on Foata normal form. 13/2137 useless extension candidates. Maximal degree in co-relation 42535. Up to 1918 conditions per place. [2021-03-26 13:14:48,251 INFO L132 encePairwiseOnDemand]: 111/152 looper letters, 843 selfloop transitions, 249 changer transitions 2/1097 dead transitions. [2021-03-26 13:14:48,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 1097 transitions, 41552 flow [2021-03-26 13:14:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 13:14:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 13:14:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 191 transitions. [2021-03-26 13:14:48,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07853618421052631 [2021-03-26 13:14:48,253 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 191 transitions. [2021-03-26 13:14:48,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 191 transitions. [2021-03-26 13:14:48,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:48,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 191 transitions. [2021-03-26 13:14:48,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 11.9375) internal successors, (191), 16 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) [2021-03-26 13:14:48,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:48,254 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:48,254 INFO L185 Difference]: Start difference. First operand has 446 places, 1070 transitions, 38094 flow. Second operand 16 states and 191 transitions. [2021-03-26 13:14:48,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 1097 transitions, 41552 flow [2021-03-26 13:14:49,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 1097 transitions, 41270 flow, removed 75 selfloop flow, removed 6 redundant places. [2021-03-26 13:14:49,459 INFO L241 Difference]: Finished difference. Result has 462 places, 1094 transitions, 39729 flow [2021-03-26 13:14:49,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=37826, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1070, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=834, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=39729, PETRI_PLACES=462, PETRI_TRANSITIONS=1094} [2021-03-26 13:14:49,459 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 445 predicate places. [2021-03-26 13:14:49,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:49,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 1094 transitions, 39729 flow [2021-03-26 13:14:49,460 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 1094 transitions, 39729 flow [2021-03-26 13:14:49,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 1094 transitions, 39729 flow [2021-03-26 13:14:50,114 INFO L129 PetriNetUnfolder]: 962/2122 cut-off events. [2021-03-26 13:14:50,114 INFO L130 PetriNetUnfolder]: For 219795/220204 co-relation queries the response was YES. [2021-03-26 13:14:50,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40780 conditions, 2122 events. 962/2122 cut-off events. For 219795/220204 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 16268 event pairs, 65 based on Foata normal form. 0/2122 useless extension candidates. Maximal degree in co-relation 40590. Up to 1089 conditions per place. [2021-03-26 13:14:50,178 INFO L142 LiptonReduction]: Number of co-enabled transitions 2216 [2021-03-26 13:14:51,572 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-26 13:14:51,572 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 13:14:51,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2112 [2021-03-26 13:14:51,573 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 1090 transitions, 39590 flow [2021-03-26 13:14:51,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:14:51,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:51,573 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:51,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:14:51,787 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:51,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:51,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1122728037, now seen corresponding path program 1 times [2021-03-26 13:14:51,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:51,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803503732] [2021-03-26 13:14:51,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:51,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:51,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:51,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:51,805 INFO L142 QuantifierPusher]: treesize reduction 271, result has 33.4 percent of original size [2021-03-26 13:14:51,806 INFO L147 QuantifierPusher]: treesize reduction 47, result has 65.4 percent of original size 89 [2021-03-26 13:14:51,892 INFO L142 QuantifierPusher]: treesize reduction 271, result has 45.0 percent of original size [2021-03-26 13:14:51,893 INFO L147 QuantifierPusher]: treesize reduction 55, result has 75.2 percent of original size 167 [2021-03-26 13:14:52,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:52,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803503732] [2021-03-26 13:14:52,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063651319] [2021-03-26 13:14:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:14:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:52,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:14:52,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:52,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:52,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:52,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:52,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:52,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:52,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:52,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:14:52,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:52,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:52,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:52,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:52,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:52,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:52,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:14:52,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:14:52,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:14:52,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:52,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:52,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:52,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:52,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:52,087 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:14:52,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:52,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:52,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:52,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:52,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:52,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:14:52,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:52,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:14:52,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:52,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:14:52,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:14:52,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-26 13:14:52,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:14:52,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:14:52,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:14:52,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:14:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:52,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 120 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 112 [2021-03-26 13:14:52,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-26 13:14:52,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-26 13:14:52,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:52,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:14:52,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:14:52,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:52,229 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:115 [2021-03-26 13:14:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:14:52,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:14:52,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:52,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:52,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:14:52,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:14:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:52,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:14:52,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:14:52,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679690452] [2021-03-26 13:14:52,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:14:52,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:52,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:14:52,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:14:52,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 159 [2021-03-26 13:14:52,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 1090 transitions, 39590 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:52,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:52,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 159 [2021-03-26 13:14:52,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:53,782 INFO L129 PetriNetUnfolder]: 961/2120 cut-off events. [2021-03-26 13:14:53,782 INFO L130 PetriNetUnfolder]: For 219869/220369 co-relation queries the response was YES. [2021-03-26 13:14:53,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42921 conditions, 2120 events. 961/2120 cut-off events. For 219869/220369 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 16133 event pairs, 68 based on Foata normal form. 1/2119 useless extension candidates. Maximal degree in co-relation 42729. Up to 2099 conditions per place. [2021-03-26 13:14:53,827 INFO L132 encePairwiseOnDemand]: 134/159 looper letters, 1049 selfloop transitions, 40 changer transitions 1/1093 dead transitions. [2021-03-26 13:14:53,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 1093 transitions, 41948 flow [2021-03-26 13:14:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:14:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:14:53,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 108 transitions. [2021-03-26 13:14:53,828 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09703504043126684 [2021-03-26 13:14:53,828 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 108 transitions. [2021-03-26 13:14:53,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 108 transitions. [2021-03-26 13:14:53,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:53,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 108 transitions. [2021-03-26 13:14:53,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:53,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:53,829 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:53,829 INFO L185 Difference]: Start difference. First operand has 460 places, 1090 transitions, 39590 flow. Second operand 7 states and 108 transitions. [2021-03-26 13:14:53,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 1093 transitions, 41948 flow [2021-03-26 13:14:54,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 1093 transitions, 41703 flow, removed 111 selfloop flow, removed 5 redundant places. [2021-03-26 13:14:54,991 INFO L241 Difference]: Finished difference. Result has 462 places, 1091 transitions, 39490 flow [2021-03-26 13:14:54,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=39345, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1090, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=39490, PETRI_PLACES=462, PETRI_TRANSITIONS=1091} [2021-03-26 13:14:54,992 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 445 predicate places. [2021-03-26 13:14:54,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:14:54,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 1091 transitions, 39490 flow [2021-03-26 13:14:54,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 1091 transitions, 39490 flow [2021-03-26 13:14:55,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 461 places, 1091 transitions, 39490 flow [2021-03-26 13:14:55,709 INFO L129 PetriNetUnfolder]: 961/2119 cut-off events. [2021-03-26 13:14:55,709 INFO L130 PetriNetUnfolder]: For 220686/221231 co-relation queries the response was YES. [2021-03-26 13:14:55,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40836 conditions, 2119 events. 961/2119 cut-off events. For 220686/221231 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 16260 event pairs, 64 based on Foata normal form. 0/2119 useless extension candidates. Maximal degree in co-relation 40646. Up to 1085 conditions per place. [2021-03-26 13:14:55,774 INFO L142 LiptonReduction]: Number of co-enabled transitions 2210 [2021-03-26 13:14:56,443 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:14:56,443 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:14:56,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1451 [2021-03-26 13:14:56,444 INFO L480 AbstractCegarLoop]: Abstraction has has 461 places, 1090 transitions, 39479 flow [2021-03-26 13:14:56,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:56,444 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:14:56,444 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:14:56,658 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-03-26 13:14:56,658 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:14:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:14:56,659 INFO L82 PathProgramCache]: Analyzing trace with hash -144302275, now seen corresponding path program 1 times [2021-03-26 13:14:56,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:14:56,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434542304] [2021-03-26 13:14:56,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:14:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:56,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:56,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:14:56,699 INFO L142 QuantifierPusher]: treesize reduction 152, result has 44.3 percent of original size [2021-03-26 13:14:56,700 INFO L147 QuantifierPusher]: treesize reduction 38, result has 68.6 percent of original size 83 [2021-03-26 13:14:56,813 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2021-03-26 13:14:56,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:14:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:56,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434542304] [2021-03-26 13:14:56,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406916805] [2021-03-26 13:14:56,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:14:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:14:56,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:14:56,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:14:56,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,845 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:14:56,845 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:14:56,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:14:56,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:14:56,857 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.1 percent of original size 49 [2021-03-26 13:14:56,857 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.1 percent of original size [2021-03-26 13:14:56,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:14:56,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:14:56,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:14:56,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:14:56,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 55 [2021-03-26 13:14:56,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:14:56,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:14:56,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:56,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:14:56,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:14:56,894 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:61 [2021-03-26 13:14:56,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:14:56,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:14:56,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:14:56,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:14:56,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:14:56,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:14:56,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:14:56,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:14:56,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:14:56,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:14:56,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:56,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:56,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:14:56,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:14:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:56,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:14:57,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 153 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 133 [2021-03-26 13:14:57,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-26 13:14:57,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-26 13:14:57,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:14:57,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:57,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:14:57,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:14:57,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:14:57,050 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:98, output treesize:115 [2021-03-26 13:14:57,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:57,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:14:57,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:14:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:14:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:14:57,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:14:57,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-26 13:14:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:14:57,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:14:57,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:14:57,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515442245] [2021-03-26 13:14:57,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:14:57,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:14:57,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:14:57,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:14:57,099 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 160 [2021-03-26 13:14:57,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 1090 transitions, 39479 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:14:57,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:14:57,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 160 [2021-03-26 13:14:57,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:14:57,842 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-03-26 13:14:59,346 INFO L129 PetriNetUnfolder]: 960/2120 cut-off events. [2021-03-26 13:14:59,346 INFO L130 PetriNetUnfolder]: For 224329/227691 co-relation queries the response was YES. [2021-03-26 13:14:59,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43018 conditions, 2120 events. 960/2120 cut-off events. For 224329/227691 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 16116 event pairs, 43 based on Foata normal form. 21/2141 useless extension candidates. Maximal degree in co-relation 42826. Up to 1948 conditions per place. [2021-03-26 13:14:59,395 INFO L132 encePairwiseOnDemand]: 127/160 looper letters, 895 selfloop transitions, 191 changer transitions 4/1093 dead transitions. [2021-03-26 13:14:59,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 1093 transitions, 41803 flow [2021-03-26 13:14:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:14:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:14:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 114 transitions. [2021-03-26 13:14:59,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0890625 [2021-03-26 13:14:59,397 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 114 transitions. [2021-03-26 13:14:59,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 114 transitions. [2021-03-26 13:14:59,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:14:59,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 114 transitions. [2021-03-26 13:14:59,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 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) [2021-03-26 13:14:59,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 160.0) internal successors, (1440), 9 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:59,398 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 160.0) internal successors, (1440), 9 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:14:59,398 INFO L185 Difference]: Start difference. First operand has 461 places, 1090 transitions, 39479 flow. Second operand 8 states and 114 transitions. [2021-03-26 13:14:59,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 1093 transitions, 41803 flow [2021-03-26 13:15:00,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 1093 transitions, 41653 flow, removed 30 selfloop flow, removed 7 redundant places. [2021-03-26 13:15:00,701 INFO L241 Difference]: Finished difference. Result has 462 places, 1088 transitions, 39610 flow [2021-03-26 13:15:00,702 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=39329, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1090, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=899, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=39610, PETRI_PLACES=462, PETRI_TRANSITIONS=1088} [2021-03-26 13:15:00,702 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 445 predicate places. [2021-03-26 13:15:00,702 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:00,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 1088 transitions, 39610 flow [2021-03-26 13:15:00,703 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 1088 transitions, 39610 flow [2021-03-26 13:15:00,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 1088 transitions, 39610 flow [2021-03-26 13:15:01,370 INFO L129 PetriNetUnfolder]: 959/2116 cut-off events. [2021-03-26 13:15:01,370 INFO L130 PetriNetUnfolder]: For 224064/224555 co-relation queries the response was YES. [2021-03-26 13:15:01,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40984 conditions, 2116 events. 959/2116 cut-off events. For 224064/224555 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 16252 event pairs, 65 based on Foata normal form. 0/2115 useless extension candidates. Maximal degree in co-relation 40795. Up to 1083 conditions per place. [2021-03-26 13:15:01,434 INFO L142 LiptonReduction]: Number of co-enabled transitions 2204 [2021-03-26 13:15:01,685 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:15:01,685 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:15:01,686 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 984 [2021-03-26 13:15:01,686 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 1088 transitions, 39610 flow [2021-03-26 13:15:01,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:15:01,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:15:01,686 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:15:01,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:15:01,900 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:15:01,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:15:01,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1130783995, now seen corresponding path program 1 times [2021-03-26 13:15:01,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:15:01,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55017372] [2021-03-26 13:15:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:15:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:01,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:01,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:01,938 INFO L142 QuantifierPusher]: treesize reduction 271, result has 34.2 percent of original size [2021-03-26 13:15:01,939 INFO L147 QuantifierPusher]: treesize reduction 47, result has 66.7 percent of original size 94 [2021-03-26 13:15:02,087 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-03-26 13:15:02,093 INFO L142 QuantifierPusher]: treesize reduction 278, result has 44.2 percent of original size [2021-03-26 13:15:02,094 INFO L147 QuantifierPusher]: treesize reduction 48, result has 78.2 percent of original size 172 [2021-03-26 13:15:02,225 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2021-03-26 13:15:02,226 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:15:02,226 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:15:02,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:02,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55017372] [2021-03-26 13:15:02,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337260082] [2021-03-26 13:15:02,260 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-26 13:15:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:02,277 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:15:02,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:15:02,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:02,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:02,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:02,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:02,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:02,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:02,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:15:02,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:02,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:02,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:02,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:02,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:02,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:15:02,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:02,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:02,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:15:02,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:15:02,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:15:02,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:15:02,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:15:02,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:15:02,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 120 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 84 [2021-03-26 13:15:02,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-26 13:15:02,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-26 13:15:02,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:02,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:15:02,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:02,420 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:87 [2021-03-26 13:15:02,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:15:02,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:15:02,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:15:02,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:15:02,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:15:02,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:15:02,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:15:02,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:02,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:15:02,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-26 13:15:02,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:15:02,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:15:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:02,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2021-03-26 13:15:02,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-26 13:15:02,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-26 13:15:02,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:02,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:02,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:02,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:15:02,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:93, output treesize:92 [2021-03-26 13:15:02,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:02,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:02,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:02,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:02,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:02,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:15:02,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:15:02,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100661654] [2021-03-26 13:15:02,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:15:02,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:15:02,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:15:02,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:15:02,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 160 [2021-03-26 13:15:02,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 1088 transitions, 39610 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:02,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:15:02,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 160 [2021-03-26 13:15:02,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:15:05,086 INFO L129 PetriNetUnfolder]: 972/2147 cut-off events. [2021-03-26 13:15:05,086 INFO L130 PetriNetUnfolder]: For 233451/237054 co-relation queries the response was YES. [2021-03-26 13:15:05,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43908 conditions, 2147 events. 972/2147 cut-off events. For 233451/237054 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 16383 event pairs, 48 based on Foata normal form. 42/2188 useless extension candidates. Maximal degree in co-relation 43717. Up to 1850 conditions per place. [2021-03-26 13:15:05,141 INFO L132 encePairwiseOnDemand]: 129/160 looper letters, 882 selfloop transitions, 226 changer transitions 9/1120 dead transitions. [2021-03-26 13:15:05,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 1120 transitions, 43358 flow [2021-03-26 13:15:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:15:05,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:15:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 154 transitions. [2021-03-26 13:15:05,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08020833333333334 [2021-03-26 13:15:05,143 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 154 transitions. [2021-03-26 13:15:05,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 154 transitions. [2021-03-26 13:15:05,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:15:05,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 154 transitions. [2021-03-26 13:15:05,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 12 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) [2021-03-26 13:15:05,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 160.0) internal successors, (2080), 13 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:05,145 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 160.0) internal successors, (2080), 13 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:05,145 INFO L185 Difference]: Start difference. First operand has 459 places, 1088 transitions, 39610 flow. Second operand 12 states and 154 transitions. [2021-03-26 13:15:05,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 1120 transitions, 43358 flow [2021-03-26 13:15:06,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 1120 transitions, 42962 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-26 13:15:06,469 INFO L241 Difference]: Finished difference. Result has 470 places, 1100 transitions, 40421 flow [2021-03-26 13:15:06,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=39226, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1088, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=863, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=40421, PETRI_PLACES=470, PETRI_TRANSITIONS=1100} [2021-03-26 13:15:06,470 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 453 predicate places. [2021-03-26 13:15:06,471 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:06,471 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 470 places, 1100 transitions, 40421 flow [2021-03-26 13:15:06,471 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 470 places, 1100 transitions, 40421 flow [2021-03-26 13:15:06,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 466 places, 1100 transitions, 40421 flow [2021-03-26 13:15:07,253 INFO L129 PetriNetUnfolder]: 970/2138 cut-off events. [2021-03-26 13:15:07,253 INFO L130 PetriNetUnfolder]: For 232684/232787 co-relation queries the response was YES. [2021-03-26 13:15:07,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42057 conditions, 2138 events. 970/2138 cut-off events. For 232684/232787 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 16450 event pairs, 69 based on Foata normal form. 0/2138 useless extension candidates. Maximal degree in co-relation 41875. Up to 1094 conditions per place. [2021-03-26 13:15:07,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 2230 [2021-03-26 13:15:07,753 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-26 13:15:08,161 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-26 13:15:08,498 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-26 13:15:08,999 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:15:08,999 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:15:08,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2528 [2021-03-26 13:15:09,000 INFO L480 AbstractCegarLoop]: Abstraction has has 465 places, 1099 transitions, 40507 flow [2021-03-26 13:15:09,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:09,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:15:09,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:15:09,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-03-26 13:15:09,215 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:15:09,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:15:09,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1237240489, now seen corresponding path program 1 times [2021-03-26 13:15:09,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:15:09,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630369599] [2021-03-26 13:15:09,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:15:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:09,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:09,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:09,264 INFO L142 QuantifierPusher]: treesize reduction 116, result has 38.3 percent of original size [2021-03-26 13:15:09,264 INFO L147 QuantifierPusher]: treesize reduction 26, result has 63.9 percent of original size 46 [2021-03-26 13:15:09,331 INFO L142 QuantifierPusher]: treesize reduction 131, result has 44.0 percent of original size [2021-03-26 13:15:09,331 INFO L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-03-26 13:15:09,395 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:15:09,396 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:15:09,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:09,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630369599] [2021-03-26 13:15:09,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24477913] [2021-03-26 13:15:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:15:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:09,432 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:15:09,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:15:09,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,447 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:15:09,447 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:15:09,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:09,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:09,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:09,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:09,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:09,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:09,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:09,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:15:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:09,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:09,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:09,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:09,488 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:09,488 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:15:09,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:09,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:09,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:15:09,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:15:09,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:15:09,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:15:09,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 13:15:09,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:15:09,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 44 [2021-03-26 13:15:09,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:15:09,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:15:09,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:09,527 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:15:09,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:09,528 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:47 [2021-03-26 13:15:09,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:15:09,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:15:09,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:15:09,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:15:09,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:15:09,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:15:09,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:15:09,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:09,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:15:09,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:15:09,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:15:09,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:15:09,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:09,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:09,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:09,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2021-03-26 13:15:09,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:15:09,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:15:09,576 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:09,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:09,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:15:09,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:15:09,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:52 [2021-03-26 13:15:09,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:09,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:15:09,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:09,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:09,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:09,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:15:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:09,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:15:09,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:15:09,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158176116] [2021-03-26 13:15:09,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:15:09,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:15:09,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:15:09,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:15:09,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 163 [2021-03-26 13:15:09,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 1099 transitions, 40507 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:09,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:15:09,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 163 [2021-03-26 13:15:09,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:15:12,046 INFO L129 PetriNetUnfolder]: 980/2166 cut-off events. [2021-03-26 13:15:12,046 INFO L130 PetriNetUnfolder]: For 239264/240606 co-relation queries the response was YES. [2021-03-26 13:15:12,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45026 conditions, 2166 events. 980/2166 cut-off events. For 239264/240606 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 16554 event pairs, 52 based on Foata normal form. 46/2212 useless extension candidates. Maximal degree in co-relation 44830. Up to 1883 conditions per place. [2021-03-26 13:15:12,092 INFO L132 encePairwiseOnDemand]: 119/163 looper letters, 844 selfloop transitions, 267 changer transitions 22/1136 dead transitions. [2021-03-26 13:15:12,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 1136 transitions, 44589 flow [2021-03-26 13:15:12,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:15:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:15:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 156 transitions. [2021-03-26 13:15:12,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07975460122699386 [2021-03-26 13:15:12,094 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 156 transitions. [2021-03-26 13:15:12,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 156 transitions. [2021-03-26 13:15:12,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:15:12,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 156 transitions. [2021-03-26 13:15:12,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.0) internal successors, (156), 12 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) [2021-03-26 13:15:12,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 163.0) internal successors, (2119), 13 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:12,095 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 163.0) internal successors, (2119), 13 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:12,095 INFO L185 Difference]: Start difference. First operand has 465 places, 1099 transitions, 40507 flow. Second operand 12 states and 156 transitions. [2021-03-26 13:15:12,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 1136 transitions, 44589 flow [2021-03-26 13:15:13,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 1136 transitions, 44268 flow, removed 80 selfloop flow, removed 8 redundant places. [2021-03-26 13:15:13,293 INFO L241 Difference]: Finished difference. Result has 472 places, 1098 transitions, 40823 flow [2021-03-26 13:15:13,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=40207, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1099, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=832, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=40823, PETRI_PLACES=472, PETRI_TRANSITIONS=1098} [2021-03-26 13:15:13,294 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 455 predicate places. [2021-03-26 13:15:13,294 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:13,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 1098 transitions, 40823 flow [2021-03-26 13:15:13,294 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 1098 transitions, 40823 flow [2021-03-26 13:15:13,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 466 places, 1098 transitions, 40823 flow [2021-03-26 13:15:14,005 INFO L129 PetriNetUnfolder]: 974/2143 cut-off events. [2021-03-26 13:15:14,006 INFO L130 PetriNetUnfolder]: For 238919/239834 co-relation queries the response was YES. [2021-03-26 13:15:14,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42238 conditions, 2143 events. 974/2143 cut-off events. For 238919/239834 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 16412 event pairs, 64 based on Foata normal form. 1/2144 useless extension candidates. Maximal degree in co-relation 42043. Up to 1102 conditions per place. [2021-03-26 13:15:14,080 INFO L142 LiptonReduction]: Number of co-enabled transitions 2226 [2021-03-26 13:15:14,325 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:15:14,325 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:15:14,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1032 [2021-03-26 13:15:14,326 INFO L480 AbstractCegarLoop]: Abstraction has has 466 places, 1098 transitions, 40823 flow [2021-03-26 13:15:14,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:14,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:15:14,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:15:14,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:15:14,540 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:15:14,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:15:14,540 INFO L82 PathProgramCache]: Analyzing trace with hash -870168216, now seen corresponding path program 1 times [2021-03-26 13:15:14,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:15:14,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423512688] [2021-03-26 13:15:14,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:15:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:14,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:14,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:14,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:14,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:14,557 INFO L142 QuantifierPusher]: treesize reduction 369, result has 10.4 percent of original size [2021-03-26 13:15:14,558 INFO L147 QuantifierPusher]: treesize reduction 38, result has 11.6 percent of original size 5 [2021-03-26 13:15:14,584 INFO L142 QuantifierPusher]: treesize reduction 363, result has 27.1 percent of original size [2021-03-26 13:15:14,585 INFO L147 QuantifierPusher]: treesize reduction 21, result has 84.4 percent of original size 114 [2021-03-26 13:15:14,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:14,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:14,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423512688] [2021-03-26 13:15:14,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:15:14,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:15:14,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960807008] [2021-03-26 13:15:14,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:15:14,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:15:14,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:15:14,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:15:14,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 163 [2021-03-26 13:15:14,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 1098 transitions, 40823 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:14,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:15:14,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 163 [2021-03-26 13:15:14,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:15:16,503 INFO L129 PetriNetUnfolder]: 989/2176 cut-off events. [2021-03-26 13:15:16,503 INFO L130 PetriNetUnfolder]: For 243199/243941 co-relation queries the response was YES. [2021-03-26 13:15:16,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45160 conditions, 2176 events. 989/2176 cut-off events. For 243199/243941 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 16561 event pairs, 58 based on Foata normal form. 13/2189 useless extension candidates. Maximal degree in co-relation 44963. Up to 1943 conditions per place. [2021-03-26 13:15:16,556 INFO L132 encePairwiseOnDemand]: 135/163 looper letters, 939 selfloop transitions, 187 changer transitions 0/1129 dead transitions. [2021-03-26 13:15:16,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 1129 transitions, 44332 flow [2021-03-26 13:15:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:15:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:15:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 118 transitions. [2021-03-26 13:15:16,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09049079754601227 [2021-03-26 13:15:16,558 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 118 transitions. [2021-03-26 13:15:16,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 118 transitions. [2021-03-26 13:15:16,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:15:16,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 118 transitions. [2021-03-26 13:15:16,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:16,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 163.0) internal successors, (1467), 9 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:16,559 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 163.0) internal successors, (1467), 9 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:16,559 INFO L185 Difference]: Start difference. First operand has 466 places, 1098 transitions, 40823 flow. Second operand 8 states and 118 transitions. [2021-03-26 13:15:16,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 1129 transitions, 44332 flow [2021-03-26 13:15:18,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 1129 transitions, 43484 flow, removed 48 selfloop flow, removed 10 redundant places. [2021-03-26 13:15:18,095 INFO L241 Difference]: Finished difference. Result has 467 places, 1118 transitions, 41331 flow [2021-03-26 13:15:18,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=39985, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=912, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41331, PETRI_PLACES=467, PETRI_TRANSITIONS=1118} [2021-03-26 13:15:18,097 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 450 predicate places. [2021-03-26 13:15:18,097 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:18,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 467 places, 1118 transitions, 41331 flow [2021-03-26 13:15:18,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 467 places, 1118 transitions, 41331 flow [2021-03-26 13:15:18,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 1118 transitions, 41331 flow [2021-03-26 13:15:18,851 INFO L129 PetriNetUnfolder]: 989/2176 cut-off events. [2021-03-26 13:15:18,852 INFO L130 PetriNetUnfolder]: For 244935/245310 co-relation queries the response was YES. [2021-03-26 13:15:18,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42931 conditions, 2176 events. 989/2176 cut-off events. For 244935/245310 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 16741 event pairs, 65 based on Foata normal form. 0/2176 useless extension candidates. Maximal degree in co-relation 42736. Up to 1109 conditions per place. [2021-03-26 13:15:18,923 INFO L142 LiptonReduction]: Number of co-enabled transitions 2266 [2021-03-26 13:15:19,507 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:15:19,507 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:15:19,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1410 [2021-03-26 13:15:19,507 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 1117 transitions, 41275 flow [2021-03-26 13:15:19,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:19,507 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:15:19,508 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:15:19,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 13:15:19,508 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:15:19,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:15:19,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1047220228, now seen corresponding path program 1 times [2021-03-26 13:15:19,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:15:19,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429369793] [2021-03-26 13:15:19,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:15:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:19,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:19,543 INFO L142 QuantifierPusher]: treesize reduction 327, result has 21.6 percent of original size [2021-03-26 13:15:19,543 INFO L147 QuantifierPusher]: treesize reduction 39, result has 56.7 percent of original size 51 [2021-03-26 13:15:19,597 INFO L142 QuantifierPusher]: treesize reduction 347, result has 31.0 percent of original size [2021-03-26 13:15:19,598 INFO L147 QuantifierPusher]: treesize reduction 33, result has 78.8 percent of original size 123 [2021-03-26 13:15:19,670 INFO L142 QuantifierPusher]: treesize reduction 29, result has 50.8 percent of original size [2021-03-26 13:15:19,671 INFO L147 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size 19 [2021-03-26 13:15:19,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:19,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429369793] [2021-03-26 13:15:19,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280612422] [2021-03-26 13:15:19,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:15:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:19,720 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:15:19,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:15:19,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,748 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:15:19,749 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:15:19,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:19,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:19,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:19,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:19,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:19,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:19,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:19,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:15:19,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:19,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:19,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:19,774 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:19,775 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:19,775 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:15:19,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:19,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:19,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:19,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:19,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:19,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:19,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:15:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:15:19,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:15:19,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:15:19,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:15:19,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:15:19,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:19,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 136 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 91 [2021-03-26 13:15:19,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-26 13:15:19,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-26 13:15:19,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:19,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:19,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:19,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:94 [2021-03-26 13:15:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:19,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:19,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:15:19,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:15:19,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:15:19,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:15:19,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:19,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 13:15:19,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:15:19,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2021-03-26 13:15:19,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-26 13:15:19,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-26 13:15:19,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:19,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:19,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:19,946 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2021-03-26 13:15:19,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:19,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:19,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:19,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:15:19,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:15:19,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723572901] [2021-03-26 13:15:19,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:15:19,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:15:19,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:15:19,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:15:19,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 163 [2021-03-26 13:15:19,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 1117 transitions, 41275 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:19,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:15:19,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 163 [2021-03-26 13:15:19,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:15:22,443 INFO L129 PetriNetUnfolder]: 998/2195 cut-off events. [2021-03-26 13:15:22,443 INFO L130 PetriNetUnfolder]: For 250607/252936 co-relation queries the response was YES. [2021-03-26 13:15:22,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45673 conditions, 2195 events. 998/2195 cut-off events. For 250607/252936 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 16764 event pairs, 56 based on Foata normal form. 51/2246 useless extension candidates. Maximal degree in co-relation 45476. Up to 1998 conditions per place. [2021-03-26 13:15:22,497 INFO L132 encePairwiseOnDemand]: 137/163 looper letters, 966 selfloop transitions, 168 changer transitions 1/1138 dead transitions. [2021-03-26 13:15:22,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 1138 transitions, 44661 flow [2021-03-26 13:15:22,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:15:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:15:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 154 transitions. [2021-03-26 13:15:22,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0787321063394683 [2021-03-26 13:15:22,499 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 154 transitions. [2021-03-26 13:15:22,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 154 transitions. [2021-03-26 13:15:22,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:15:22,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 154 transitions. [2021-03-26 13:15:22,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 12 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) [2021-03-26 13:15:22,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 163.0) internal successors, (2119), 13 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:22,500 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 163.0) internal successors, (2119), 13 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:22,500 INFO L185 Difference]: Start difference. First operand has 467 places, 1117 transitions, 41275 flow. Second operand 12 states and 154 transitions. [2021-03-26 13:15:22,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 1138 transitions, 44661 flow [2021-03-26 13:15:23,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 1138 transitions, 44324 flow, removed 98 selfloop flow, removed 7 redundant places. [2021-03-26 13:15:23,867 INFO L241 Difference]: Finished difference. Result has 477 places, 1136 transitions, 42377 flow [2021-03-26 13:15:23,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=41036, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=953, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=42377, PETRI_PLACES=477, PETRI_TRANSITIONS=1136} [2021-03-26 13:15:23,868 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 460 predicate places. [2021-03-26 13:15:23,869 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:23,869 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 477 places, 1136 transitions, 42377 flow [2021-03-26 13:15:23,869 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 477 places, 1136 transitions, 42377 flow [2021-03-26 13:15:23,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 1136 transitions, 42377 flow [2021-03-26 13:15:24,614 INFO L129 PetriNetUnfolder]: 998/2195 cut-off events. [2021-03-26 13:15:24,614 INFO L130 PetriNetUnfolder]: For 261591/262281 co-relation queries the response was YES. [2021-03-26 13:15:24,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44042 conditions, 2195 events. 998/2195 cut-off events. For 261591/262281 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 16879 event pairs, 64 based on Foata normal form. 0/2195 useless extension candidates. Maximal degree in co-relation 43844. Up to 1117 conditions per place. [2021-03-26 13:15:24,688 INFO L142 LiptonReduction]: Number of co-enabled transitions 2306 [2021-03-26 13:15:25,352 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-26 13:15:25,862 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-26 13:15:26,510 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-26 13:15:27,013 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-26 13:15:27,767 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-26 13:15:28,136 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-26 13:15:28,766 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 13:15:28,766 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 13:15:28,767 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4898 [2021-03-26 13:15:28,767 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 1132 transitions, 42394 flow [2021-03-26 13:15:28,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:28,767 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:15:28,767 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:15:28,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:15:28,982 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:15:28,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:15:28,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1236720588, now seen corresponding path program 1 times [2021-03-26 13:15:28,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:15:28,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113670730] [2021-03-26 13:15:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:15:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:29,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:29,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:29,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:29,015 INFO L142 QuantifierPusher]: treesize reduction 121, result has 33.9 percent of original size [2021-03-26 13:15:29,016 INFO L147 QuantifierPusher]: treesize reduction 21, result has 66.1 percent of original size 41 [2021-03-26 13:15:29,057 INFO L142 QuantifierPusher]: treesize reduction 132, result has 42.4 percent of original size [2021-03-26 13:15:29,058 INFO L147 QuantifierPusher]: treesize reduction 18, result has 81.4 percent of original size 79 [2021-03-26 13:15:29,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:29,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113670730] [2021-03-26 13:15:29,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790858] [2021-03-26 13:15:29,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:15:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:29,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:15:29,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:15:29,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:29,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:29,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:29,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:29,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:15:29,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:29,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:29,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:29,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:29,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:29,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:15:29,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:29,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:29,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:29,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:29,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:29,212 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:15:29,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:29,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:29,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:15:29,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:15:29,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:15:29,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:15:29,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:15:29,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:15:29,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:15:29,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:15:29,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:15:29,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:15:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:29,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 56 [2021-03-26 13:15:29,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:15:29,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:15:29,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:29,278 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:15:29,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:15:29,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:15:29,281 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:59 [2021-03-26 13:15:29,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:15:29,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:15:29,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:29,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:29,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:15:29,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:15:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:29,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:15:29,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:15:29,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503562103] [2021-03-26 13:15:29,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:15:29,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:15:29,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:15:29,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:15:29,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 170 [2021-03-26 13:15:29,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 1132 transitions, 42394 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:29,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:15:29,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 170 [2021-03-26 13:15:29,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:15:32,849 INFO L129 PetriNetUnfolder]: 1033/2274 cut-off events. [2021-03-26 13:15:32,849 INFO L130 PetriNetUnfolder]: For 269466/270489 co-relation queries the response was YES. [2021-03-26 13:15:32,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48220 conditions, 2274 events. 1033/2274 cut-off events. For 269466/270489 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 17451 event pairs, 44 based on Foata normal form. 16/2289 useless extension candidates. Maximal degree in co-relation 48020. Up to 1933 conditions per place. [2021-03-26 13:15:32,900 INFO L132 encePairwiseOnDemand]: 132/170 looper letters, 901 selfloop transitions, 305 changer transitions 2/1211 dead transitions. [2021-03-26 13:15:32,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 1211 transitions, 48017 flow [2021-03-26 13:15:32,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 13:15:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 13:15:32,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 227 transitions. [2021-03-26 13:15:32,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07027863777089784 [2021-03-26 13:15:32,902 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 227 transitions. [2021-03-26 13:15:32,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 227 transitions. [2021-03-26 13:15:32,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:15:32,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 227 transitions. [2021-03-26 13:15:32,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 11.947368421052632) internal successors, (227), 19 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) [2021-03-26 13:15:32,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:32,906 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:32,906 INFO L185 Difference]: Start difference. First operand has 474 places, 1132 transitions, 42394 flow. Second operand 19 states and 227 transitions. [2021-03-26 13:15:32,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 1211 transitions, 48017 flow [2021-03-26 13:15:34,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 1211 transitions, 47693 flow, removed 150 selfloop flow, removed 5 redundant places. [2021-03-26 13:15:34,219 INFO L241 Difference]: Finished difference. Result has 491 places, 1179 transitions, 44906 flow [2021-03-26 13:15:34,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=42094, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=858, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=44906, PETRI_PLACES=491, PETRI_TRANSITIONS=1179} [2021-03-26 13:15:34,220 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 474 predicate places. [2021-03-26 13:15:34,220 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:34,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 1179 transitions, 44906 flow [2021-03-26 13:15:34,220 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 1179 transitions, 44906 flow [2021-03-26 13:15:34,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 1179 transitions, 44906 flow [2021-03-26 13:15:35,009 INFO L129 PetriNetUnfolder]: 1033/2273 cut-off events. [2021-03-26 13:15:35,009 INFO L130 PetriNetUnfolder]: For 274956/275341 co-relation queries the response was YES. [2021-03-26 13:15:35,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46117 conditions, 2273 events. 1033/2273 cut-off events. For 274956/275341 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 17605 event pairs, 64 based on Foata normal form. 0/2273 useless extension candidates. Maximal degree in co-relation 45917. Up to 1168 conditions per place. [2021-03-26 13:15:35,087 INFO L142 LiptonReduction]: Number of co-enabled transitions 2392 [2021-03-26 13:15:36,347 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 13:15:36,348 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 13:15:36,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2128 [2021-03-26 13:15:36,348 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 1174 transitions, 44628 flow [2021-03-26 13:15:36,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:36,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:15:36,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:15:36,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:15:36,563 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:15:36,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:15:36,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1663260471, now seen corresponding path program 1 times [2021-03-26 13:15:36,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:15:36,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531855088] [2021-03-26 13:15:36,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:15:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:36,580 INFO L142 QuantifierPusher]: treesize reduction 305, result has 3.5 percent of original size [2021-03-26 13:15:36,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:36,587 INFO L142 QuantifierPusher]: treesize reduction 6, result has 96.9 percent of original size [2021-03-26 13:15:36,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-03-26 13:15:36,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:36,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:36,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531855088] [2021-03-26 13:15:36,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:15:36,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:15:36,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102838152] [2021-03-26 13:15:36,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:15:36,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:15:36,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:15:36,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:15:36,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 172 [2021-03-26 13:15:36,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 1174 transitions, 44628 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:36,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:15:36,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 172 [2021-03-26 13:15:36,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:15:40,577 INFO L129 PetriNetUnfolder]: 1031/2266 cut-off events. [2021-03-26 13:15:40,577 INFO L130 PetriNetUnfolder]: For 273364/274372 co-relation queries the response was YES. [2021-03-26 13:15:40,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48217 conditions, 2266 events. 1031/2266 cut-off events. For 273364/274372 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 17341 event pairs, 52 based on Foata normal form. 28/2294 useless extension candidates. Maximal degree in co-relation 48015. Up to 2076 conditions per place. [2021-03-26 13:15:40,632 INFO L132 encePairwiseOnDemand]: 146/172 looper letters, 1021 selfloop transitions, 147 changer transitions 4/1175 dead transitions. [2021-03-26 13:15:40,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 1175 transitions, 47007 flow [2021-03-26 13:15:40,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:15:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:15:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 94 transitions. [2021-03-26 13:15:40,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10930232558139535 [2021-03-26 13:15:40,634 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 94 transitions. [2021-03-26 13:15:40,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 94 transitions. [2021-03-26 13:15:40,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:15:40,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 94 transitions. [2021-03-26 13:15:40,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:40,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:40,634 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:40,634 INFO L185 Difference]: Start difference. First operand has 488 places, 1174 transitions, 44628 flow. Second operand 5 states and 94 transitions. [2021-03-26 13:15:40,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 1175 transitions, 47007 flow [2021-03-26 13:15:42,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 1175 transitions, 46853 flow, removed 29 selfloop flow, removed 12 redundant places. [2021-03-26 13:15:42,054 INFO L241 Difference]: Finished difference. Result has 481 places, 1170 transitions, 44557 flow [2021-03-26 13:15:42,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=44373, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1025, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=44557, PETRI_PLACES=481, PETRI_TRANSITIONS=1170} [2021-03-26 13:15:42,056 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 464 predicate places. [2021-03-26 13:15:42,056 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:42,056 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 1170 transitions, 44557 flow [2021-03-26 13:15:42,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 1170 transitions, 44557 flow [2021-03-26 13:15:42,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 1170 transitions, 44557 flow [2021-03-26 13:15:42,914 INFO L129 PetriNetUnfolder]: 1030/2262 cut-off events. [2021-03-26 13:15:42,914 INFO L130 PetriNetUnfolder]: For 277018/277976 co-relation queries the response was YES. [2021-03-26 13:15:42,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45959 conditions, 2262 events. 1030/2262 cut-off events. For 277018/277976 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 17456 event pairs, 65 based on Foata normal form. 1/2263 useless extension candidates. Maximal degree in co-relation 45760. Up to 1163 conditions per place. [2021-03-26 13:15:42,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 2372 [2021-03-26 13:15:43,318 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:15:43,318 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:15:43,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1262 [2021-03-26 13:15:43,318 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 1170 transitions, 44557 flow [2021-03-26 13:15:43,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:43,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:15:43,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:15:43,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 13:15:43,319 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:15:43,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:15:43,319 INFO L82 PathProgramCache]: Analyzing trace with hash -779177698, now seen corresponding path program 1 times [2021-03-26 13:15:43,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:15:43,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257047853] [2021-03-26 13:15:43,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:15:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:43,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:43,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:43,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:43,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:43,346 INFO L142 QuantifierPusher]: treesize reduction 399, result has 4.3 percent of original size [2021-03-26 13:15:43,347 INFO L147 QuantifierPusher]: treesize reduction 13, result has 27.8 percent of original size 5 [2021-03-26 13:15:43,361 INFO L142 QuantifierPusher]: treesize reduction 406, result has 19.3 percent of original size [2021-03-26 13:15:43,362 INFO L147 QuantifierPusher]: treesize reduction 7, result has 92.8 percent of original size 90 [2021-03-26 13:15:43,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:43,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257047853] [2021-03-26 13:15:43,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:15:43,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:15:43,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72901234] [2021-03-26 13:15:43,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:15:43,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:15:43,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:15:43,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:15:43,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 172 [2021-03-26 13:15:43,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 1170 transitions, 44557 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:43,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:15:43,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 172 [2021-03-26 13:15:43,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:15:46,096 INFO L129 PetriNetUnfolder]: 1045/2295 cut-off events. [2021-03-26 13:15:46,096 INFO L130 PetriNetUnfolder]: For 282118/282781 co-relation queries the response was YES. [2021-03-26 13:15:46,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49024 conditions, 2295 events. 1045/2295 cut-off events. For 282118/282781 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 17646 event pairs, 55 based on Foata normal form. 13/2308 useless extension candidates. Maximal degree in co-relation 48823. Up to 2060 conditions per place. [2021-03-26 13:15:46,158 INFO L132 encePairwiseOnDemand]: 144/172 looper letters, 1008 selfloop transitions, 190 changer transitions 0/1201 dead transitions. [2021-03-26 13:15:46,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 1201 transitions, 48195 flow [2021-03-26 13:15:46,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:15:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:15:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 119 transitions. [2021-03-26 13:15:46,159 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08648255813953488 [2021-03-26 13:15:46,159 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 119 transitions. [2021-03-26 13:15:46,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 119 transitions. [2021-03-26 13:15:46,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:15:46,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 119 transitions. [2021-03-26 13:15:46,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:46,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 172.0) internal successors, (1548), 9 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:46,161 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 172.0) internal successors, (1548), 9 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:46,161 INFO L185 Difference]: Start difference. First operand has 479 places, 1170 transitions, 44557 flow. Second operand 8 states and 119 transitions. [2021-03-26 13:15:46,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 1201 transitions, 48195 flow [2021-03-26 13:15:47,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 1201 transitions, 47770 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 13:15:48,004 INFO L241 Difference]: Finished difference. Result has 485 places, 1189 transitions, 45498 flow [2021-03-26 13:15:48,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=44134, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=981, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45498, PETRI_PLACES=485, PETRI_TRANSITIONS=1189} [2021-03-26 13:15:48,005 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 468 predicate places. [2021-03-26 13:15:48,005 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:48,005 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 485 places, 1189 transitions, 45498 flow [2021-03-26 13:15:48,005 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 485 places, 1189 transitions, 45498 flow [2021-03-26 13:15:48,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 1189 transitions, 45498 flow [2021-03-26 13:15:49,038 INFO L129 PetriNetUnfolder]: 1045/2295 cut-off events. [2021-03-26 13:15:49,038 INFO L130 PetriNetUnfolder]: For 283409/284090 co-relation queries the response was YES. [2021-03-26 13:15:49,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46819 conditions, 2295 events. 1045/2295 cut-off events. For 283409/284090 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 17774 event pairs, 65 based on Foata normal form. 0/2295 useless extension candidates. Maximal degree in co-relation 46617. Up to 1172 conditions per place. [2021-03-26 13:15:49,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 2410 [2021-03-26 13:15:49,762 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:15:49,762 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:15:49,762 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1757 [2021-03-26 13:15:49,762 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 1188 transitions, 45440 flow [2021-03-26 13:15:49,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:49,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:15:49,762 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:15:49,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 13:15:49,763 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:15:49,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:15:49,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1615295620, now seen corresponding path program 1 times [2021-03-26 13:15:49,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:15:49,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575387968] [2021-03-26 13:15:49,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:15:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:15:49,786 INFO L142 QuantifierPusher]: treesize reduction 398, result has 5.7 percent of original size [2021-03-26 13:15:49,786 INFO L147 QuantifierPusher]: treesize reduction 7, result has 70.8 percent of original size 17 [2021-03-26 13:15:49,804 INFO L142 QuantifierPusher]: treesize reduction 406, result has 20.1 percent of original size [2021-03-26 13:15:49,804 INFO L147 QuantifierPusher]: treesize reduction 7, result has 93.1 percent of original size 95 [2021-03-26 13:15:49,843 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-03-26 13:15:49,844 INFO L147 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size 25 [2021-03-26 13:15:49,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:49,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575387968] [2021-03-26 13:15:49,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677622627] [2021-03-26 13:15:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:15:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:15:49,907 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:15:49,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:15:49,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,924 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:15:49,924 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:15:49,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:15:49,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:49,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:49,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:49,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:49,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:49,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:49,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:49,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:15:49,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:15:49,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:15:49,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:49,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:15:49,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:49,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:49,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:49,965 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:15:49,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:49,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:49,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:49,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:49,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:49,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:15:49,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:49,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:49,983 INFO L147 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size 102 [2021-03-26 13:15:49,984 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-26 13:15:49,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:49,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:49,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:15:49,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:49,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:49,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-26 13:15:49,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:15:49,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:49,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:15:50,102 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-03-26 13:15:50,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 153 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 128 [2021-03-26 13:15:50,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-03-26 13:15:50,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-03-26 13:15:50,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:50,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-26 13:15:50,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:50,149 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:131 [2021-03-26 13:15:50,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-26 13:15:50,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-26 13:15:50,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:50,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:15:50,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:15:50,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:50,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:15:50,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:15:50,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:15:50,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:15:50,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:15:50,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2021-03-26 13:15:50,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:15:50,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:15:50,239 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:15:50,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:15:50,297 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:15:50,297 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2021-03-26 13:15:50,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:15:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:15:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-26 13:15:50,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:15:50,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:15:50,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:15:50,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508247851] [2021-03-26 13:15:50,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:15:50,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:15:50,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:15:50,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:15:50,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 172 [2021-03-26 13:15:50,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 1188 transitions, 45440 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:15:50,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:15:50,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 172 [2021-03-26 13:15:50,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:15:54,597 INFO L129 PetriNetUnfolder]: 1054/2314 cut-off events. [2021-03-26 13:15:54,598 INFO L130 PetriNetUnfolder]: For 290503/292869 co-relation queries the response was YES. [2021-03-26 13:15:54,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49705 conditions, 2314 events. 1054/2314 cut-off events. For 290503/292869 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 17842 event pairs, 58 based on Foata normal form. 27/2341 useless extension candidates. Maximal degree in co-relation 49501. Up to 2114 conditions per place. [2021-03-26 13:15:54,670 INFO L132 encePairwiseOnDemand]: 146/172 looper letters, 1037 selfloop transitions, 168 changer transitions 1/1209 dead transitions. [2021-03-26 13:15:54,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 1209 transitions, 49015 flow [2021-03-26 13:15:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:15:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:15:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 155 transitions. [2021-03-26 13:15:54,671 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0750968992248062 [2021-03-26 13:15:54,671 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 155 transitions. [2021-03-26 13:15:54,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 155 transitions. [2021-03-26 13:15:54,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:15:54,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 155 transitions. [2021-03-26 13:15:54,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.916666666666666) internal successors, (155), 12 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:54,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:54,673 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:15:54,673 INFO L185 Difference]: Start difference. First operand has 485 places, 1188 transitions, 45440 flow. Second operand 12 states and 155 transitions. [2021-03-26 13:15:54,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 1209 transitions, 49015 flow [2021-03-26 13:15:56,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 1209 transitions, 48731 flow, removed 76 selfloop flow, removed 3 redundant places. [2021-03-26 13:15:56,683 INFO L241 Difference]: Finished difference. Result has 499 places, 1207 transitions, 46640 flow [2021-03-26 13:15:56,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=45232, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1024, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=46640, PETRI_PLACES=499, PETRI_TRANSITIONS=1207} [2021-03-26 13:15:56,685 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 482 predicate places. [2021-03-26 13:15:56,685 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:15:56,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 499 places, 1207 transitions, 46640 flow [2021-03-26 13:15:56,685 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 499 places, 1207 transitions, 46640 flow [2021-03-26 13:15:56,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 499 places, 1207 transitions, 46640 flow [2021-03-26 13:15:57,812 INFO L129 PetriNetUnfolder]: 1054/2314 cut-off events. [2021-03-26 13:15:57,812 INFO L130 PetriNetUnfolder]: For 300657/301083 co-relation queries the response was YES. [2021-03-26 13:15:57,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48015 conditions, 2314 events. 1054/2314 cut-off events. For 300657/301083 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 17945 event pairs, 61 based on Foata normal form. 0/2314 useless extension candidates. Maximal degree in co-relation 47806. Up to 1180 conditions per place. [2021-03-26 13:15:57,917 INFO L142 LiptonReduction]: Number of co-enabled transitions 2450 [2021-03-26 13:15:58,672 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-26 13:15:59,493 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-26 13:15:59,810 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-26 13:16:00,688 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-26 13:16:01,208 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-26 13:16:01,949 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-26 13:16:02,651 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-26 13:16:02,652 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 13:16:02,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5967 [2021-03-26 13:16:02,652 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 1204 transitions, 46663 flow [2021-03-26 13:16:02,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:02,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:16:02,652 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:16:02,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-03-26 13:16:02,867 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:16:02,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:16:02,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1236719875, now seen corresponding path program 1 times [2021-03-26 13:16:02,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:16:02,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045178281] [2021-03-26 13:16:02,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:16:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:02,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:02,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:02,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:02,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:02,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:02,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:02,921 INFO L142 QuantifierPusher]: treesize reduction 158, result has 33.9 percent of original size [2021-03-26 13:16:02,922 INFO L147 QuantifierPusher]: treesize reduction 28, result has 65.4 percent of original size 53 [2021-03-26 13:16:03,014 INFO L142 QuantifierPusher]: treesize reduction 155, result has 47.5 percent of original size [2021-03-26 13:16:03,015 INFO L147 QuantifierPusher]: treesize reduction 39, result has 72.1 percent of original size 101 [2021-03-26 13:16:03,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:03,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045178281] [2021-03-26 13:16:03,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948419582] [2021-03-26 13:16:03,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:16:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:03,167 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:16:03,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:16:03,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,183 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:16:03,183 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:16:03,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,215 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:16:03,216 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:16:03,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:03,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:03,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:03,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:03,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:03,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:03,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:03,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:03,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:03,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:03,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:16:03,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:03,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:03,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:03,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:03,247 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:03,247 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:16:03,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:03,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:03,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:03,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:16:03,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:16:03,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:03,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:16:03,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:16:03,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:03,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:16:03,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:16:03,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 45 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 54 [2021-03-26 13:16:03,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:16:03,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:16:03,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:03,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:16:03,293 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:03,293 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:54 [2021-03-26 13:16:03,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:16:03,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:03,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:16:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:03,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:16:03,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:16:03,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554886493] [2021-03-26 13:16:03,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:16:03,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:16:03,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:16:03,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:16:03,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 178 [2021-03-26 13:16:03,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 1204 transitions, 46663 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:03,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:16:03,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 178 [2021-03-26 13:16:03,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:16:07,070 INFO L129 PetriNetUnfolder]: 1064/2337 cut-off events. [2021-03-26 13:16:07,070 INFO L130 PetriNetUnfolder]: For 301079/302445 co-relation queries the response was YES. [2021-03-26 13:16:07,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51107 conditions, 2337 events. 1064/2337 cut-off events. For 301079/302445 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 17997 event pairs, 48 based on Foata normal form. 20/2356 useless extension candidates. Maximal degree in co-relation 50896. Up to 2110 conditions per place. [2021-03-26 13:16:07,139 INFO L132 encePairwiseOnDemand]: 128/178 looper letters, 939 selfloop transitions, 286 changer transitions 3/1231 dead transitions. [2021-03-26 13:16:07,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1231 transitions, 50532 flow [2021-03-26 13:16:07,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 13:16:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 13:16:07,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 200 transitions. [2021-03-26 13:16:07,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0702247191011236 [2021-03-26 13:16:07,141 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 200 transitions. [2021-03-26 13:16:07,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 200 transitions. [2021-03-26 13:16:07,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:16:07,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 200 transitions. [2021-03-26 13:16:07,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 12.5) internal successors, (200), 16 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:07,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 178.0) internal successors, (3026), 17 states have internal predecessors, (3026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:07,165 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 178.0) internal successors, (3026), 17 states have internal predecessors, (3026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:07,165 INFO L185 Difference]: Start difference. First operand has 497 places, 1204 transitions, 46663 flow. Second operand 16 states and 200 transitions. [2021-03-26 13:16:07,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1231 transitions, 50532 flow [2021-03-26 13:16:08,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 1231 transitions, 50220 flow, removed 144 selfloop flow, removed 4 redundant places. [2021-03-26 13:16:08,799 INFO L241 Difference]: Finished difference. Result has 515 places, 1227 transitions, 48443 flow [2021-03-26 13:16:08,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=46353, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=267, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=931, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=48443, PETRI_PLACES=515, PETRI_TRANSITIONS=1227} [2021-03-26 13:16:08,800 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 498 predicate places. [2021-03-26 13:16:08,800 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:16:08,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 1227 transitions, 48443 flow [2021-03-26 13:16:08,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 1227 transitions, 48443 flow [2021-03-26 13:16:08,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 1227 transitions, 48443 flow [2021-03-26 13:16:09,882 INFO L129 PetriNetUnfolder]: 1064/2334 cut-off events. [2021-03-26 13:16:09,882 INFO L130 PetriNetUnfolder]: For 317687/318144 co-relation queries the response was YES. [2021-03-26 13:16:09,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49387 conditions, 2334 events. 1064/2334 cut-off events. For 317687/318144 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 18161 event pairs, 60 based on Foata normal form. 0/2334 useless extension candidates. Maximal degree in co-relation 49172. Up to 1188 conditions per place. [2021-03-26 13:16:09,972 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-26 13:16:10,821 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-26 13:16:11,567 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-26 13:16:12,155 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-26 13:16:13,583 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 13:16:13,583 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 13:16:13,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4783 [2021-03-26 13:16:13,583 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 1222 transitions, 48306 flow [2021-03-26 13:16:13,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:13,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:16:13,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:16:13,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:16:13,788 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:16:13,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:16:13,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1663021895, now seen corresponding path program 1 times [2021-03-26 13:16:13,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:16:13,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796077639] [2021-03-26 13:16:13,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:16:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:13,842 INFO L142 QuantifierPusher]: treesize reduction 354, result has 43.8 percent of original size [2021-03-26 13:16:13,844 INFO L147 QuantifierPusher]: treesize reduction 60, result has 78.3 percent of original size 216 [2021-03-26 13:16:13,999 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 66 [2021-03-26 13:16:14,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:14,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:14,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796077639] [2021-03-26 13:16:14,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:16:14,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:16:14,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167033703] [2021-03-26 13:16:14,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:16:14,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:16:14,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:16:14,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:16:14,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 186 [2021-03-26 13:16:14,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 1222 transitions, 48306 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:14,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:16:14,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 186 [2021-03-26 13:16:14,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:16:16,574 INFO L129 PetriNetUnfolder]: 1062/2331 cut-off events. [2021-03-26 13:16:16,575 INFO L130 PetriNetUnfolder]: For 322863/329881 co-relation queries the response was YES. [2021-03-26 13:16:16,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51767 conditions, 2331 events. 1062/2331 cut-off events. For 322863/329881 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 17993 event pairs, 50 based on Foata normal form. 64/2393 useless extension candidates. Maximal degree in co-relation 51550. Up to 2141 conditions per place. [2021-03-26 13:16:16,634 INFO L132 encePairwiseOnDemand]: 159/186 looper letters, 1069 selfloop transitions, 148 changer transitions 5/1225 dead transitions. [2021-03-26 13:16:16,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1225 transitions, 50907 flow [2021-03-26 13:16:16,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:16:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:16:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions. [2021-03-26 13:16:16,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10752688172043011 [2021-03-26 13:16:16,636 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 100 transitions. [2021-03-26 13:16:16,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 100 transitions. [2021-03-26 13:16:16,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:16:16,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 100 transitions. [2021-03-26 13:16:16,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 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) [2021-03-26 13:16:16,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:16,637 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:16,637 INFO L185 Difference]: Start difference. First operand has 511 places, 1222 transitions, 48306 flow. Second operand 5 states and 100 transitions. [2021-03-26 13:16:16,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 1225 transitions, 50907 flow [2021-03-26 13:16:18,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 1225 transitions, 50447 flow, removed 121 selfloop flow, removed 10 redundant places. [2021-03-26 13:16:18,302 INFO L241 Difference]: Finished difference. Result has 506 places, 1219 transitions, 47975 flow [2021-03-26 13:16:18,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=47856, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1074, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=47975, PETRI_PLACES=506, PETRI_TRANSITIONS=1219} [2021-03-26 13:16:18,303 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 489 predicate places. [2021-03-26 13:16:18,303 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:16:18,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 1219 transitions, 47975 flow [2021-03-26 13:16:18,303 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 1219 transitions, 47975 flow [2021-03-26 13:16:18,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 1219 transitions, 47975 flow [2021-03-26 13:16:19,089 INFO L129 PetriNetUnfolder]: 1061/2326 cut-off events. [2021-03-26 13:16:19,089 INFO L130 PetriNetUnfolder]: For 310302/310958 co-relation queries the response was YES. [2021-03-26 13:16:19,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48925 conditions, 2326 events. 1061/2326 cut-off events. For 310302/310958 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 18008 event pairs, 62 based on Foata normal form. 1/2327 useless extension candidates. Maximal degree in co-relation 48714. Up to 1182 conditions per place. [2021-03-26 13:16:19,165 INFO L142 LiptonReduction]: Number of co-enabled transitions 2472 [2021-03-26 13:16:19,458 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:16:19,459 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:16:19,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1156 [2021-03-26 13:16:19,459 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 1219 transitions, 47975 flow [2021-03-26 13:16:19,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:19,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:16:19,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:16:19,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 13:16:19,459 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:16:19,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:16:19,459 INFO L82 PathProgramCache]: Analyzing trace with hash -144276514, now seen corresponding path program 1 times [2021-03-26 13:16:19,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:16:19,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903776844] [2021-03-26 13:16:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:16:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:19,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:19,482 INFO L142 QuantifierPusher]: treesize reduction 210, result has 5.0 percent of original size [2021-03-26 13:16:19,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:19,488 INFO L142 QuantifierPusher]: treesize reduction 30, result has 76.6 percent of original size [2021-03-26 13:16:19,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:16:19,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:19,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903776844] [2021-03-26 13:16:19,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404063312] [2021-03-26 13:16:19,536 INFO L95 rtionOrderModulation]: Keeping assertion order 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) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:16:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:19,549 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:16:19,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:16:19,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,564 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:16:19,564 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:16:19,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:19,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:16:19,580 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size 59 [2021-03-26 13:16:19,581 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-26 13:16:19,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:16:19,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:16:19,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:16:19,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:16:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 45 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 69 [2021-03-26 13:16:19,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:16:19,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:16:19,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:19,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:16:19,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:19,645 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:75 [2021-03-26 13:16:19,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:16:19,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:16:19,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:16:19,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-26 13:16:19,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-26 13:16:19,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-26 13:16:19,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:16:19,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:16:19,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:16:19,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-26 13:16:19,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-26 13:16:19,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-26 13:16:19,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:19,819 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-03-26 13:16:19,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 231 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 161 [2021-03-26 13:16:19,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-26 13:16:19,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-26 13:16:19,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:19,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:19,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-03-26 13:16:19,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:16:19,879 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:116, output treesize:137 [2021-03-26 13:16:19,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:19,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-03-26 13:16:19,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:19,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:19,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:19,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-03-26 13:16:21,946 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 86 [2021-03-26 13:16:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:21,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:16:21,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:16:21,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939842339] [2021-03-26 13:16:21,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:16:21,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:16:21,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:16:21,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:16:21,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 186 [2021-03-26 13:16:21,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 1219 transitions, 47975 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:16:21,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:16:21,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 186 [2021-03-26 13:16:21,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:16:22,717 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-03-26 13:16:24,338 INFO L129 PetriNetUnfolder]: 1061/2328 cut-off events. [2021-03-26 13:16:24,339 INFO L130 PetriNetUnfolder]: For 313446/315053 co-relation queries the response was YES. [2021-03-26 13:16:24,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51314 conditions, 2328 events. 1061/2328 cut-off events. For 313446/315053 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 17946 event pairs, 43 based on Foata normal form. 17/2345 useless extension candidates. Maximal degree in co-relation 51101. Up to 2141 conditions per place. [2021-03-26 13:16:24,395 INFO L132 encePairwiseOnDemand]: 148/186 looper letters, 997 selfloop transitions, 218 changer transitions 4/1222 dead transitions. [2021-03-26 13:16:24,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 1222 transitions, 50576 flow [2021-03-26 13:16:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:16:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:16:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 120 transitions. [2021-03-26 13:16:24,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08064516129032258 [2021-03-26 13:16:24,398 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 120 transitions. [2021-03-26 13:16:24,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 120 transitions. [2021-03-26 13:16:24,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:16:24,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 120 transitions. [2021-03-26 13:16:24,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 15.0) internal successors, (120), 8 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) [2021-03-26 13:16:24,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 186.0) internal successors, (1674), 9 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:24,399 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 186.0) internal successors, (1674), 9 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:24,399 INFO L185 Difference]: Start difference. First operand has 503 places, 1219 transitions, 47975 flow. Second operand 8 states and 120 transitions. [2021-03-26 13:16:24,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 1222 transitions, 50576 flow [2021-03-26 13:16:26,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 1222 transitions, 50136 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:16:26,068 INFO L241 Difference]: Finished difference. Result has 505 places, 1217 transitions, 47865 flow [2021-03-26 13:16:26,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=47540, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1001, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47865, PETRI_PLACES=505, PETRI_TRANSITIONS=1217} [2021-03-26 13:16:26,069 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 488 predicate places. [2021-03-26 13:16:26,069 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:16:26,069 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 1217 transitions, 47865 flow [2021-03-26 13:16:26,070 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 1217 transitions, 47865 flow [2021-03-26 13:16:26,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 1217 transitions, 47865 flow [2021-03-26 13:16:26,830 INFO L129 PetriNetUnfolder]: 1060/2324 cut-off events. [2021-03-26 13:16:26,831 INFO L130 PetriNetUnfolder]: For 307112/307873 co-relation queries the response was YES. [2021-03-26 13:16:26,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48544 conditions, 2324 events. 1060/2324 cut-off events. For 307112/307873 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 17997 event pairs, 59 based on Foata normal form. 0/2324 useless extension candidates. Maximal degree in co-relation 48334. Up to 1181 conditions per place. [2021-03-26 13:16:26,905 INFO L142 LiptonReduction]: Number of co-enabled transitions 2468 [2021-03-26 13:16:27,172 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:16:27,173 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:16:27,173 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1104 [2021-03-26 13:16:27,173 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 1217 transitions, 47865 flow [2021-03-26 13:16:27,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:16:27,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:16:27,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:16:27,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:16:27,388 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:16:27,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:16:27,388 INFO L82 PathProgramCache]: Analyzing trace with hash -521514936, now seen corresponding path program 1 times [2021-03-26 13:16:27,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:16:27,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378659961] [2021-03-26 13:16:27,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:16:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:27,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:27,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:27,408 INFO L142 QuantifierPusher]: treesize reduction 323, result has 34.2 percent of original size [2021-03-26 13:16:27,409 INFO L147 QuantifierPusher]: treesize reduction 61, result has 63.7 percent of original size 107 [2021-03-26 13:16:27,614 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-03-26 13:16:27,619 INFO L142 QuantifierPusher]: treesize reduction 346, result has 41.6 percent of original size [2021-03-26 13:16:27,620 INFO L147 QuantifierPusher]: treesize reduction 46, result has 81.3 percent of original size 200 [2021-03-26 13:16:27,762 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2021-03-26 13:16:27,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:27,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378659961] [2021-03-26 13:16:27,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631767846] [2021-03-26 13:16:27,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:16:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:27,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:16:27,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:16:27,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:27,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:27,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:27,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:27,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:27,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:27,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:27,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:27,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:27,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:27,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:16:27,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:27,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:27,849 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:27,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:27,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:27,854 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:16:27,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:27,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:27,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:16:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:16:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:16:27,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:16:27,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-26 13:16:27,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:16:27,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:27,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:27,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:16:27,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:27,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:28,033 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-03-26 13:16:28,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 171 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 133 [2021-03-26 13:16:28,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-26 13:16:28,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-26 13:16:28,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:28,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-03-26 13:16:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-26 13:16:28,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:16:28,087 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:103, output treesize:136 [2021-03-26 13:16:28,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-03-26 13:16:28,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-26 13:16:28,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:28,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-03-26 13:16:28,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-26 13:16:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:28,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:16:28,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:16:28,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393648845] [2021-03-26 13:16:28,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:16:28,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:16:28,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:16:28,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:16:28,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 186 [2021-03-26 13:16:28,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 1217 transitions, 47865 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:28,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:16:28,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 186 [2021-03-26 13:16:28,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:16:30,323 INFO L129 PetriNetUnfolder]: 1061/2326 cut-off events. [2021-03-26 13:16:30,323 INFO L130 PetriNetUnfolder]: For 309639/310761 co-relation queries the response was YES. [2021-03-26 13:16:30,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50923 conditions, 2326 events. 1061/2326 cut-off events. For 309639/310761 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 17825 event pairs, 65 based on Foata normal form. 1/2327 useless extension candidates. Maximal degree in co-relation 50711. Up to 2302 conditions per place. [2021-03-26 13:16:30,382 INFO L132 encePairwiseOnDemand]: 158/186 looper letters, 1171 selfloop transitions, 46 changer transitions 0/1220 dead transitions. [2021-03-26 13:16:30,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 1220 transitions, 50500 flow [2021-03-26 13:16:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:16:30,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:16:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 112 transitions. [2021-03-26 13:16:30,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08602150537634409 [2021-03-26 13:16:30,383 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 112 transitions. [2021-03-26 13:16:30,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 112 transitions. [2021-03-26 13:16:30,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:16:30,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 112 transitions. [2021-03-26 13:16:30,384 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) [2021-03-26 13:16:30,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:30,384 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:30,384 INFO L185 Difference]: Start difference. First operand has 502 places, 1217 transitions, 47865 flow. Second operand 7 states and 112 transitions. [2021-03-26 13:16:30,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 1220 transitions, 50500 flow [2021-03-26 13:16:31,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 1220 transitions, 50060 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-03-26 13:16:32,008 INFO L241 Difference]: Finished difference. Result has 503 places, 1219 transitions, 47649 flow [2021-03-26 13:16:32,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=47427, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=47649, PETRI_PLACES=503, PETRI_TRANSITIONS=1219} [2021-03-26 13:16:32,009 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 486 predicate places. [2021-03-26 13:16:32,009 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:16:32,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 503 places, 1219 transitions, 47649 flow [2021-03-26 13:16:32,009 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 503 places, 1219 transitions, 47649 flow [2021-03-26 13:16:32,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 1219 transitions, 47649 flow [2021-03-26 13:16:32,787 INFO L129 PetriNetUnfolder]: 1061/2326 cut-off events. [2021-03-26 13:16:32,787 INFO L130 PetriNetUnfolder]: For 311077/312371 co-relation queries the response was YES. [2021-03-26 13:16:32,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48540 conditions, 2326 events. 1061/2326 cut-off events. For 311077/312371 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 18072 event pairs, 57 based on Foata normal form. 0/2326 useless extension candidates. Maximal degree in co-relation 48330. Up to 1183 conditions per place. [2021-03-26 13:16:32,862 INFO L142 LiptonReduction]: Number of co-enabled transitions 2472 [2021-03-26 13:16:33,529 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:16:33,529 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:16:33,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1520 [2021-03-26 13:16:33,529 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 1218 transitions, 47589 flow [2021-03-26 13:16:33,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:33,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:16:33,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:16:33,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-03-26 13:16:33,744 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:16:33,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:16:33,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1012906650, now seen corresponding path program 1 times [2021-03-26 13:16:33,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:16:33,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864687335] [2021-03-26 13:16:33,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:16:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:33,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:33,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:33,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:33,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:33,773 INFO L142 QuantifierPusher]: treesize reduction 330, result has 33.5 percent of original size [2021-03-26 13:16:33,774 INFO L147 QuantifierPusher]: treesize reduction 54, result has 67.5 percent of original size 112 [2021-03-26 13:16:33,903 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2021-03-26 13:16:33,907 INFO L142 QuantifierPusher]: treesize reduction 337, result has 43.6 percent of original size [2021-03-26 13:16:33,909 INFO L147 QuantifierPusher]: treesize reduction 55, result has 78.8 percent of original size 205 [2021-03-26 13:16:34,060 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 63 [2021-03-26 13:16:34,061 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:16:34,061 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:16:34,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:34,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864687335] [2021-03-26 13:16:34,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525292438] [2021-03-26 13:16:34,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:16:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:34,107 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:16:34,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:16:34,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:34,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:34,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:34,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:34,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:34,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:34,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:34,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:16:34,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:34,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:34,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:34,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:34,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:34,164 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:16:34,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:34,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:34,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:34,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:34,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:34,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:34,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:16:34,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:16:34,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:16:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:16:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:16:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:16:34,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 171 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 99 [2021-03-26 13:16:34,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:16:34,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:16:34,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:34,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:16:34,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:34,234 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:102 [2021-03-26 13:16:34,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:16:34,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:16:34,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:34,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:16:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:16:34,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:16:34,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:34,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-26 13:16:34,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-26 13:16:34,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:16:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:34,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2021-03-26 13:16:34,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-26 13:16:34,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-26 13:16:34,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:34,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-26 13:16:34,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:16:34,367 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:108, output treesize:107 [2021-03-26 13:16:34,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:34,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-26 13:16:34,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:34,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:34,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:34,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-26 13:16:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:34,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:16:34,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:16:34,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537989239] [2021-03-26 13:16:34,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:16:34,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:16:34,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:16:34,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:16:34,434 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 186 [2021-03-26 13:16:34,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 1218 transitions, 47589 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:34,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:16:34,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 186 [2021-03-26 13:16:34,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:16:37,620 INFO L129 PetriNetUnfolder]: 1073/2356 cut-off events. [2021-03-26 13:16:37,620 INFO L130 PetriNetUnfolder]: For 321255/326747 co-relation queries the response was YES. [2021-03-26 13:16:37,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51762 conditions, 2356 events. 1073/2356 cut-off events. For 321255/326747 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 18269 event pairs, 52 based on Foata normal form. 34/2390 useless extension candidates. Maximal degree in co-relation 51550. Up to 2038 conditions per place. [2021-03-26 13:16:37,675 INFO L132 encePairwiseOnDemand]: 153/186 looper letters, 997 selfloop transitions, 241 changer transitions 9/1250 dead transitions. [2021-03-26 13:16:37,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 1250 transitions, 51809 flow [2021-03-26 13:16:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:16:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:16:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 160 transitions. [2021-03-26 13:16:37,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07168458781362007 [2021-03-26 13:16:37,677 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 160 transitions. [2021-03-26 13:16:37,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 160 transitions. [2021-03-26 13:16:37,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:16:37,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 160 transitions. [2021-03-26 13:16:37,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:37,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 186.0) internal successors, (2418), 13 states have internal predecessors, (2418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:37,678 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 186.0) internal successors, (2418), 13 states have internal predecessors, (2418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:37,679 INFO L185 Difference]: Start difference. First operand has 503 places, 1218 transitions, 47589 flow. Second operand 12 states and 160 transitions. [2021-03-26 13:16:37,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 1250 transitions, 51809 flow [2021-03-26 13:16:39,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 1250 transitions, 51577 flow, removed 66 selfloop flow, removed 5 redundant places. [2021-03-26 13:16:39,223 INFO L241 Difference]: Finished difference. Result has 515 places, 1230 transitions, 48723 flow [2021-03-26 13:16:39,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=47429, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=48723, PETRI_PLACES=515, PETRI_TRANSITIONS=1230} [2021-03-26 13:16:39,224 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 498 predicate places. [2021-03-26 13:16:39,224 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:16:39,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 1230 transitions, 48723 flow [2021-03-26 13:16:39,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 1230 transitions, 48723 flow [2021-03-26 13:16:39,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 1230 transitions, 48723 flow [2021-03-26 13:16:40,087 INFO L129 PetriNetUnfolder]: 1071/2347 cut-off events. [2021-03-26 13:16:40,088 INFO L130 PetriNetUnfolder]: For 326797/328091 co-relation queries the response was YES. [2021-03-26 13:16:40,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49943 conditions, 2347 events. 1071/2347 cut-off events. For 326797/328091 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 18196 event pairs, 63 based on Foata normal form. 0/2347 useless extension candidates. Maximal degree in co-relation 49728. Up to 1192 conditions per place. [2021-03-26 13:16:40,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 2496 [2021-03-26 13:16:40,895 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-26 13:16:41,257 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-26 13:16:41,918 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:16:41,919 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:16:41,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2695 [2021-03-26 13:16:41,919 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 1230 transitions, 48832 flow [2021-03-26 13:16:41,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:41,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:16:41,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:16:42,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-03-26 13:16:42,134 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:16:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:16:42,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1213206840, now seen corresponding path program 1 times [2021-03-26 13:16:42,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:16:42,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510565711] [2021-03-26 13:16:42,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:16:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:42,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:42,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:42,153 INFO L142 QuantifierPusher]: treesize reduction 158, result has 35.2 percent of original size [2021-03-26 13:16:42,154 INFO L147 QuantifierPusher]: treesize reduction 28, result has 67.4 percent of original size 58 [2021-03-26 13:16:42,217 INFO L142 QuantifierPusher]: treesize reduction 160, result has 46.7 percent of original size [2021-03-26 13:16:42,218 INFO L147 QuantifierPusher]: treesize reduction 34, result has 75.7 percent of original size 106 [2021-03-26 13:16:42,328 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:16:42,328 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:16:42,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:42,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:42,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510565711] [2021-03-26 13:16:42,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242251946] [2021-03-26 13:16:42,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-26 13:16:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:42,367 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:16:42,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:16:42,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,383 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:16:42,384 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:16:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:42,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:42,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:42,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:42,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:42,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:42,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:16:42,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:42,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:42,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:42,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:42,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:42,427 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:16:42,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:42,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:16:42,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:16:42,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:16:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:16:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:16:42,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:16:42,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 45 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 54 [2021-03-26 13:16:42,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:16:42,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:16:42,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:42,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:16:42,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:42,471 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:57 [2021-03-26 13:16:42,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:16:42,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:16:42,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:16:42,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:16:42,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:16:42,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:16:42,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:16:42,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:42,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:16:42,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:16:42,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:16:42,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:16:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:42,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2021-03-26 13:16:42,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:16:42,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:16:42,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:42,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:42,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:16:42,552 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:16:42,552 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:63, output treesize:62 [2021-03-26 13:16:42,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:42,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:16:42,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:42,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:42,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:42,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:16:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:42,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:16:42,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:16:42,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693466950] [2021-03-26 13:16:42,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:16:42,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:16:42,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:16:42,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:16:42,593 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 188 [2021-03-26 13:16:42,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 1230 transitions, 48832 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:42,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:16:42,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 188 [2021-03-26 13:16:42,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:16:46,557 INFO L129 PetriNetUnfolder]: 1081/2376 cut-off events. [2021-03-26 13:16:46,558 INFO L130 PetriNetUnfolder]: For 334883/341979 co-relation queries the response was YES. [2021-03-26 13:16:46,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53200 conditions, 2376 events. 1081/2376 cut-off events. For 334883/341979 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 18398 event pairs, 56 based on Foata normal form. 71/2447 useless extension candidates. Maximal degree in co-relation 52983. Up to 2061 conditions per place. [2021-03-26 13:16:46,619 INFO L132 encePairwiseOnDemand]: 138/188 looper letters, 938 selfloop transitions, 305 changer transitions 22/1268 dead transitions. [2021-03-26 13:16:46,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 1268 transitions, 53363 flow [2021-03-26 13:16:46,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:16:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:16:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 162 transitions. [2021-03-26 13:16:46,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07180851063829788 [2021-03-26 13:16:46,621 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 162 transitions. [2021-03-26 13:16:46,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 162 transitions. [2021-03-26 13:16:46,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:16:46,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 162 transitions. [2021-03-26 13:16:46,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.5) internal successors, (162), 12 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:46,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 188.0) internal successors, (2444), 13 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:46,622 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 188.0) internal successors, (2444), 13 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:46,622 INFO L185 Difference]: Start difference. First operand has 511 places, 1230 transitions, 48832 flow. Second operand 12 states and 162 transitions. [2021-03-26 13:16:46,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 1268 transitions, 53363 flow [2021-03-26 13:16:48,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1268 transitions, 53051 flow, removed 74 selfloop flow, removed 7 redundant places. [2021-03-26 13:16:48,431 INFO L241 Difference]: Finished difference. Result has 519 places, 1229 transitions, 49257 flow [2021-03-26 13:16:48,432 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=48535, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=925, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=49257, PETRI_PLACES=519, PETRI_TRANSITIONS=1229} [2021-03-26 13:16:48,432 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 502 predicate places. [2021-03-26 13:16:48,432 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:16:48,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 519 places, 1229 transitions, 49257 flow [2021-03-26 13:16:48,433 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 519 places, 1229 transitions, 49257 flow [2021-03-26 13:16:48,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 513 places, 1229 transitions, 49257 flow [2021-03-26 13:16:49,324 INFO L129 PetriNetUnfolder]: 1075/2353 cut-off events. [2021-03-26 13:16:49,324 INFO L130 PetriNetUnfolder]: For 329803/330516 co-relation queries the response was YES. [2021-03-26 13:16:49,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50455 conditions, 2353 events. 1075/2353 cut-off events. For 329803/330516 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 18213 event pairs, 74 based on Foata normal form. 0/2353 useless extension candidates. Maximal degree in co-relation 50238. Up to 1200 conditions per place. [2021-03-26 13:16:49,410 INFO L142 LiptonReduction]: Number of co-enabled transitions 2494 [2021-03-26 13:16:49,726 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:16:49,726 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:16:49,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1294 [2021-03-26 13:16:49,727 INFO L480 AbstractCegarLoop]: Abstraction has has 513 places, 1229 transitions, 49257 flow [2021-03-26 13:16:49,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:49,727 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:16:49,727 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:16:49,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:16:49,942 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:16:49,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:16:49,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1212708329, now seen corresponding path program 1 times [2021-03-26 13:16:49,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:16:49,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046497798] [2021-03-26 13:16:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:16:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:49,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:49,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:49,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:49,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:49,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:49,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:49,988 INFO L142 QuantifierPusher]: treesize reduction 172, result has 28.0 percent of original size [2021-03-26 13:16:49,988 INFO L147 QuantifierPusher]: treesize reduction 14, result has 79.1 percent of original size 53 [2021-03-26 13:16:50,064 INFO L142 QuantifierPusher]: treesize reduction 162, result has 45.1 percent of original size [2021-03-26 13:16:50,065 INFO L147 QuantifierPusher]: treesize reduction 32, result has 75.9 percent of original size 101 [2021-03-26 13:16:50,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:50,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046497798] [2021-03-26 13:16:50,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488324349] [2021-03-26 13:16:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 13:16:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:50,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:16:50,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:16:50,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:16:50,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:50,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:50,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:50,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:50,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:50,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:50,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:50,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:50,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:50,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:16:50,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:50,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:50,256 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:50,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:50,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:50,261 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:16:50,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:50,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:50,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:16:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:16:50,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:16:50,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:16:50,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:16:50,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:16:50,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:16:50,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:16:50,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:16:50,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:16:50,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:50,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 45 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 70 [2021-03-26 13:16:50,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:16:50,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:16:50,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:50,347 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:16:50,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:16:50,350 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:16:50,350 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:73 [2021-03-26 13:16:50,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:16:50,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:16:50,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:50,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:16:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:16:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:50,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:16:50,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:16:50,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921371334] [2021-03-26 13:16:50,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:16:50,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:16:50,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:16:50,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:16:50,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 188 [2021-03-26 13:16:50,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 1229 transitions, 49257 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:50,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:16:50,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 188 [2021-03-26 13:16:50,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:16:53,990 INFO L129 PetriNetUnfolder]: 1111/2437 cut-off events. [2021-03-26 13:16:53,990 INFO L130 PetriNetUnfolder]: For 350548/357075 co-relation queries the response was YES. [2021-03-26 13:16:54,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54950 conditions, 2437 events. 1111/2437 cut-off events. For 350548/357075 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 18840 event pairs, 47 based on Foata normal form. 26/2463 useless extension candidates. Maximal degree in co-relation 54731. Up to 2066 conditions per place. [2021-03-26 13:16:54,049 INFO L132 encePairwiseOnDemand]: 147/188 looper letters, 964 selfloop transitions, 340 changer transitions 1/1308 dead transitions. [2021-03-26 13:16:54,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 1308 transitions, 55389 flow [2021-03-26 13:16:54,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 13:16:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 13:16:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 229 transitions. [2021-03-26 13:16:54,050 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0641097424412094 [2021-03-26 13:16:54,050 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 229 transitions. [2021-03-26 13:16:54,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 229 transitions. [2021-03-26 13:16:54,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:16:54,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 229 transitions. [2021-03-26 13:16:54,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 12.052631578947368) internal successors, (229), 19 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:54,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:54,052 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:16:54,052 INFO L185 Difference]: Start difference. First operand has 513 places, 1229 transitions, 49257 flow. Second operand 19 states and 229 transitions. [2021-03-26 13:16:54,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 1308 transitions, 55389 flow [2021-03-26 13:16:55,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 1308 transitions, 54336 flow, removed 58 selfloop flow, removed 9 redundant places. [2021-03-26 13:16:55,826 INFO L241 Difference]: Finished difference. Result has 526 places, 1277 transitions, 51443 flow [2021-03-26 13:16:55,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=48312, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=295, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=920, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=51443, PETRI_PLACES=526, PETRI_TRANSITIONS=1277} [2021-03-26 13:16:55,827 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 509 predicate places. [2021-03-26 13:16:55,827 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:16:55,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 1277 transitions, 51443 flow [2021-03-26 13:16:55,827 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 1277 transitions, 51443 flow [2021-03-26 13:16:55,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 1277 transitions, 51443 flow [2021-03-26 13:16:56,688 INFO L129 PetriNetUnfolder]: 1111/2437 cut-off events. [2021-03-26 13:16:56,688 INFO L130 PetriNetUnfolder]: For 347823/348998 co-relation queries the response was YES. [2021-03-26 13:16:56,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52432 conditions, 2437 events. 1111/2437 cut-off events. For 347823/348998 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 19044 event pairs, 72 based on Foata normal form. 0/2437 useless extension candidates. Maximal degree in co-relation 52215. Up to 1256 conditions per place. [2021-03-26 13:16:56,885 INFO L142 LiptonReduction]: Number of co-enabled transitions 2590 [2021-03-26 13:16:57,570 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-26 13:16:58,382 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 13:16:58,382 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 13:16:58,382 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2555 [2021-03-26 13:16:58,382 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 1272 transitions, 51144 flow [2021-03-26 13:16:58,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:58,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:16:58,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:16:58,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-03-26 13:16:58,585 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:16:58,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:16:58,586 INFO L82 PathProgramCache]: Analyzing trace with hash 553056296, now seen corresponding path program 1 times [2021-03-26 13:16:58,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:16:58,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560071802] [2021-03-26 13:16:58,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:16:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:58,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:58,634 INFO L142 QuantifierPusher]: treesize reduction 308, result has 37.9 percent of original size [2021-03-26 13:16:58,636 INFO L147 QuantifierPusher]: treesize reduction 183, result has 2.7 percent of original size 5 [2021-03-26 13:16:58,768 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 5 [2021-03-26 13:16:58,772 INFO L142 QuantifierPusher]: treesize reduction 350, result has 41.4 percent of original size [2021-03-26 13:16:58,773 INFO L147 QuantifierPusher]: treesize reduction 54, result has 78.1 percent of original size 193 [2021-03-26 13:16:58,924 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2021-03-26 13:16:58,925 INFO L142 QuantifierPusher]: treesize reduction 18, result has 41.9 percent of original size [2021-03-26 13:16:58,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:16:58,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:58,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560071802] [2021-03-26 13:16:58,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127528087] [2021-03-26 13:16:58,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:16:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:16:58,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:16:58,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:16:58,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:58,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:58,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:58,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:58,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:58,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:16:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:58,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:58,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:58,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:16:59,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:59,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:59,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:59,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:59,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:16:59,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:16:59,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:16:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:16:59,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:59,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:16:59,022 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:16:59,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:59,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:16:59,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:59,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:16:59,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:16:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:16:59,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-26 13:16:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-26 13:16:59,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 13:16:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:16:59,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,183 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-03-26 13:16:59,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 171 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 133 [2021-03-26 13:16:59,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-26 13:16:59,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-26 13:16:59,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:59,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 13:16:59,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-03-26 13:16:59,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:16:59,241 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:108, output treesize:141 [2021-03-26 13:16:59,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 13:16:59,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-03-26 13:16:59,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 13:16:59,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-03-26 13:16:59,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-03-26 13:16:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-03-26 13:16:59,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-03-26 13:16:59,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-03-26 13:16:59,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:16:59,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-03-26 13:16:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-03-26 13:16:59,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 13:16:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-26 13:16:59,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-03-26 13:16:59,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-03-26 13:16:59,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:16:59,474 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-03-26 13:16:59,716 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 91 [2021-03-26 13:16:59,716 INFO L354 Elim1Store]: treesize reduction 354, result has 26.1 percent of original size [2021-03-26 13:16:59,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 172 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 18 case distinctions, treesize of input 136 treesize of output 192 [2021-03-26 13:16:59,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-03-26 13:16:59,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-03-26 13:16:59,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:16:59,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:59,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 13:16:59,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-26 13:16:59,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-26 13:16:59,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-03-26 13:16:59,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:16:59,772 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:147, output treesize:146 [2021-03-26 13:16:59,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:16:59,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:16:59,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 13:16:59,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-26 13:16:59,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-26 13:16:59,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-03-26 13:16:59,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:16:59,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:16:59,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-26 13:16:59,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-03-26 13:16:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:16:59,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:16:59,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:16:59,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234384748] [2021-03-26 13:16:59,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:16:59,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:16:59,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:16:59,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:16:59,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 190 [2021-03-26 13:16:59,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 1272 transitions, 51144 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:16:59,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:16:59,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 190 [2021-03-26 13:16:59,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:17:03,516 INFO L129 PetriNetUnfolder]: 1125/2463 cut-off events. [2021-03-26 13:17:03,517 INFO L130 PetriNetUnfolder]: For 360037/364660 co-relation queries the response was YES. [2021-03-26 13:17:03,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55570 conditions, 2463 events. 1125/2463 cut-off events. For 360037/364660 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 19083 event pairs, 60 based on Foata normal form. 1/2464 useless extension candidates. Maximal degree in co-relation 55351. Up to 2218 conditions per place. [2021-03-26 13:17:03,722 INFO L132 encePairwiseOnDemand]: 159/190 looper letters, 1104 selfloop transitions, 196 changer transitions 0/1303 dead transitions. [2021-03-26 13:17:03,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 1303 transitions, 55181 flow [2021-03-26 13:17:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:17:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:17:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 159 transitions. [2021-03-26 13:17:03,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06973684210526315 [2021-03-26 13:17:03,724 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 159 transitions. [2021-03-26 13:17:03,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 159 transitions. [2021-03-26 13:17:03,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:17:03,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 159 transitions. [2021-03-26 13:17:03,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 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) [2021-03-26 13:17:03,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 190.0) internal successors, (2470), 13 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:03,725 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 190.0) internal successors, (2470), 13 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:03,725 INFO L185 Difference]: Start difference. First operand has 524 places, 1272 transitions, 51144 flow. Second operand 12 states and 159 transitions. [2021-03-26 13:17:03,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 1303 transitions, 55181 flow [2021-03-26 13:17:05,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 1303 transitions, 55014 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-03-26 13:17:05,390 INFO L241 Difference]: Finished difference. Result has 528 places, 1290 transitions, 52340 flow [2021-03-26 13:17:05,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=50873, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1075, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=52340, PETRI_PLACES=528, PETRI_TRANSITIONS=1290} [2021-03-26 13:17:05,391 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 511 predicate places. [2021-03-26 13:17:05,391 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:17:05,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 528 places, 1290 transitions, 52340 flow [2021-03-26 13:17:05,391 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 528 places, 1290 transitions, 52340 flow [2021-03-26 13:17:05,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 528 places, 1290 transitions, 52340 flow [2021-03-26 13:17:06,282 INFO L129 PetriNetUnfolder]: 1125/2463 cut-off events. [2021-03-26 13:17:06,283 INFO L130 PetriNetUnfolder]: For 358793/359655 co-relation queries the response was YES. [2021-03-26 13:17:06,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53522 conditions, 2463 events. 1125/2463 cut-off events. For 358793/359655 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 19263 event pairs, 64 based on Foata normal form. 0/2463 useless extension candidates. Maximal degree in co-relation 53302. Up to 1262 conditions per place. [2021-03-26 13:17:06,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-26 13:17:07,148 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:17:07,149 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:17:07,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1758 [2021-03-26 13:17:07,149 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 1288 transitions, 52273 flow [2021-03-26 13:17:07,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:17:07,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:17:07,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:17:07,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:17:07,363 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:17:07,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:17:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1212707771, now seen corresponding path program 1 times [2021-03-26 13:17:07,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:17:07,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131141290] [2021-03-26 13:17:07,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:17:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:07,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:07,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:07,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:07,391 INFO L142 QuantifierPusher]: treesize reduction 187, result has 31.3 percent of original size [2021-03-26 13:17:07,392 INFO L147 QuantifierPusher]: treesize reduction 21, result has 75.3 percent of original size 64 [2021-03-26 13:17:07,457 INFO L142 QuantifierPusher]: treesize reduction 196, result has 41.1 percent of original size [2021-03-26 13:17:07,458 INFO L147 QuantifierPusher]: treesize reduction 20, result has 85.4 percent of original size 117 [2021-03-26 13:17:07,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:07,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131141290] [2021-03-26 13:17:07,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213586033] [2021-03-26 13:17:07,562 INFO L95 rtionOrderModulation]: Keeping assertion order 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) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:17:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:07,575 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:17:07,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:17:07,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:07,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:07,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:07,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:07,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:07,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:07,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:07,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:17:07,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:07,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:07,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:07,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:07,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:17:07,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:17:07,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:07,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:07,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:17:07,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:17:07,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:17:07,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:17:07,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:17:07,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:17:07,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:17:07,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:17:07,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:17:07,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:17:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:07,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 66 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 66 [2021-03-26 13:17:07,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:17:07,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:17:07,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:07,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:07,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:17:07,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:17:07,718 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:69 [2021-03-26 13:17:07,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:07,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:17:07,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:07,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:07,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:07,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:17:09,763 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 48 [2021-03-26 13:17:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:09,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:17:09,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:17:09,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34224348] [2021-03-26 13:17:09,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:17:09,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:17:09,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:17:09,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:17:09,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 191 [2021-03-26 13:17:09,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 1288 transitions, 52273 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:17:09,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:17:09,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 191 [2021-03-26 13:17:09,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:17:12,041 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2021-03-26 13:17:12,499 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-03-26 13:17:14,060 INFO L129 PetriNetUnfolder]: 1144/2509 cut-off events. [2021-03-26 13:17:14,060 INFO L130 PetriNetUnfolder]: For 367087/367869 co-relation queries the response was YES. [2021-03-26 13:17:14,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57379 conditions, 2509 events. 1144/2509 cut-off events. For 367087/367869 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 19622 event pairs, 52 based on Foata normal form. 46/2555 useless extension candidates. Maximal degree in co-relation 57157. Up to 2164 conditions per place. [2021-03-26 13:17:14,121 INFO L132 encePairwiseOnDemand]: 141/191 looper letters, 982 selfloop transitions, 335 changer transitions 24/1344 dead transitions. [2021-03-26 13:17:14,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 1344 transitions, 57949 flow [2021-03-26 13:17:14,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 13:17:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 13:17:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 191 transitions. [2021-03-26 13:17:14,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06666666666666667 [2021-03-26 13:17:14,122 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 191 transitions. [2021-03-26 13:17:14,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 191 transitions. [2021-03-26 13:17:14,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:17:14,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 191 transitions. [2021-03-26 13:17:14,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.733333333333333) internal successors, (191), 15 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) [2021-03-26 13:17:14,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 191.0) internal successors, (3056), 16 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:14,124 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 191.0) internal successors, (3056), 16 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:14,124 INFO L185 Difference]: Start difference. First operand has 526 places, 1288 transitions, 52273 flow. Second operand 15 states and 191 transitions. [2021-03-26 13:17:14,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 1344 transitions, 57949 flow [2021-03-26 13:17:15,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 1344 transitions, 57643 flow, removed 56 selfloop flow, removed 7 redundant places. [2021-03-26 13:17:15,875 INFO L241 Difference]: Finished difference. Result has 539 places, 1298 transitions, 53348 flow [2021-03-26 13:17:15,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=51989, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=326, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=954, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=53348, PETRI_PLACES=539, PETRI_TRANSITIONS=1298} [2021-03-26 13:17:15,876 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 522 predicate places. [2021-03-26 13:17:15,876 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:17:15,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 539 places, 1298 transitions, 53348 flow [2021-03-26 13:17:15,876 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 539 places, 1298 transitions, 53348 flow [2021-03-26 13:17:15,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 1298 transitions, 53348 flow [2021-03-26 13:17:16,822 INFO L129 PetriNetUnfolder]: 1137/2484 cut-off events. [2021-03-26 13:17:16,822 INFO L130 PetriNetUnfolder]: For 365917/366330 co-relation queries the response was YES. [2021-03-26 13:17:16,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54622 conditions, 2484 events. 1137/2484 cut-off events. For 365917/366330 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 19457 event pairs, 73 based on Foata normal form. 0/2484 useless extension candidates. Maximal degree in co-relation 54398. Up to 1280 conditions per place. [2021-03-26 13:17:16,906 INFO L142 LiptonReduction]: Number of co-enabled transitions 2632 [2021-03-26 13:17:17,161 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-26 13:17:18,066 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:17:18,066 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:17:18,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2190 [2021-03-26 13:17:18,068 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 1298 transitions, 53398 flow [2021-03-26 13:17:18,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:17:18,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:17:18,068 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:17:18,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-03-26 13:17:18,283 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:17:18,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:17:18,283 INFO L82 PathProgramCache]: Analyzing trace with hash 394876657, now seen corresponding path program 1 times [2021-03-26 13:17:18,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:17:18,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576317714] [2021-03-26 13:17:18,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:17:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:18,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:18,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:18,326 INFO L142 QuantifierPusher]: treesize reduction 329, result has 37.2 percent of original size [2021-03-26 13:17:18,327 INFO L147 QuantifierPusher]: treesize reduction 77, result has 60.5 percent of original size 118 [2021-03-26 13:17:18,499 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-03-26 13:17:18,505 INFO L142 QuantifierPusher]: treesize reduction 324, result has 48.6 percent of original size [2021-03-26 13:17:18,507 INFO L147 QuantifierPusher]: treesize reduction 90, result has 70.6 percent of original size 216 [2021-03-26 13:17:18,731 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2021-03-26 13:17:18,732 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:17:18,732 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:17:18,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:18,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576317714] [2021-03-26 13:17:18,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869762486] [2021-03-26 13:17:18,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:17:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:18,786 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:17:18,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:17:18,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,819 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:17:18,820 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:17:18,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:18,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:18,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:18,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:18,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:18,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:18,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:18,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:18,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:17:18,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:18,875 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:18,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:18,881 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:17:18,881 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:17:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:18,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:18,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:17:18,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:17:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:17:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:17:18,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:18,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:17:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:17:18,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 190 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 104 [2021-03-26 13:17:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-26 13:17:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-26 13:17:18,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:18,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:17:18,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:17:18,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:107 [2021-03-26 13:17:18,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:17:18,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:18,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:17:19,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:17:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-26 13:17:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:17:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-26 13:17:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:17:19,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:19,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-26 13:17:19,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-26 13:17:19,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-26 13:17:19,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-26 13:17:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:19,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2021-03-26 13:17:19,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-26 13:17:19,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-26 13:17:19,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:19,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:19,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-26 13:17:19,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:17:19,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:113, output treesize:112 [2021-03-26 13:17:19,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:19,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-26 13:17:19,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:19,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:19,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:19,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-26 13:17:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:19,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:17:19,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:17:19,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187177762] [2021-03-26 13:17:19,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:17:19,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:17:19,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:17:19,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:17:19,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 192 [2021-03-26 13:17:19,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 1298 transitions, 53398 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:17:19,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:17:19,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 192 [2021-03-26 13:17:19,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:17:23,357 INFO L129 PetriNetUnfolder]: 1150/2515 cut-off events. [2021-03-26 13:17:23,357 INFO L130 PetriNetUnfolder]: For 382762/388515 co-relation queries the response was YES. [2021-03-26 13:17:23,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58078 conditions, 2515 events. 1150/2515 cut-off events. For 382762/388515 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 19558 event pairs, 54 based on Foata normal form. 66/2581 useless extension candidates. Maximal degree in co-relation 57852. Up to 2181 conditions per place. [2021-03-26 13:17:23,418 INFO L132 encePairwiseOnDemand]: 157/192 looper letters, 1063 selfloop transitions, 254 changer transitions 9/1329 dead transitions. [2021-03-26 13:17:23,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 1329 transitions, 57742 flow [2021-03-26 13:17:23,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:17:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:17:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 163 transitions. [2021-03-26 13:17:23,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07074652777777778 [2021-03-26 13:17:23,420 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 163 transitions. [2021-03-26 13:17:23,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 163 transitions. [2021-03-26 13:17:23,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:17:23,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 163 transitions. [2021-03-26 13:17:23,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 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) [2021-03-26 13:17:23,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 192.0) internal successors, (2496), 13 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:23,421 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 192.0) internal successors, (2496), 13 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:23,421 INFO L185 Difference]: Start difference. First operand has 534 places, 1298 transitions, 53398 flow. Second operand 12 states and 163 transitions. [2021-03-26 13:17:23,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 1329 transitions, 57742 flow [2021-03-26 13:17:25,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 1329 transitions, 57048 flow, removed 74 selfloop flow, removed 9 redundant places. [2021-03-26 13:17:25,248 INFO L241 Difference]: Finished difference. Result has 542 places, 1310 transitions, 54090 flow [2021-03-26 13:17:25,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=52726, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=243, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=54090, PETRI_PLACES=542, PETRI_TRANSITIONS=1310} [2021-03-26 13:17:25,249 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 525 predicate places. [2021-03-26 13:17:25,249 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:17:25,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 542 places, 1310 transitions, 54090 flow [2021-03-26 13:17:25,249 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 542 places, 1310 transitions, 54090 flow [2021-03-26 13:17:25,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 538 places, 1310 transitions, 54090 flow [2021-03-26 13:17:26,158 INFO L129 PetriNetUnfolder]: 1148/2506 cut-off events. [2021-03-26 13:17:26,158 INFO L130 PetriNetUnfolder]: For 379257/380150 co-relation queries the response was YES. [2021-03-26 13:17:26,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55533 conditions, 2506 events. 1148/2506 cut-off events. For 379257/380150 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 19679 event pairs, 67 based on Foata normal form. 0/2506 useless extension candidates. Maximal degree in co-relation 55319. Up to 1289 conditions per place. [2021-03-26 13:17:26,244 INFO L142 LiptonReduction]: Number of co-enabled transitions 2658 [2021-03-26 13:17:26,810 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-26 13:17:27,801 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-26 13:17:28,464 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 13:17:28,464 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 13:17:28,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3215 [2021-03-26 13:17:28,464 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 1308 transitions, 54161 flow [2021-03-26 13:17:28,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:17:28,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:17:28,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:17:28,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-03-26 13:17:28,679 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:17:28,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:17:28,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1207166645, now seen corresponding path program 1 times [2021-03-26 13:17:28,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:17:28,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117370577] [2021-03-26 13:17:28,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:17:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:28,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:28,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:28,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:28,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:28,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:28,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:28,702 INFO L142 QuantifierPusher]: treesize reduction 214, result has 21.3 percent of original size [2021-03-26 13:17:28,703 INFO L147 QuantifierPusher]: treesize reduction 53, result has 8.6 percent of original size 5 [2021-03-26 13:17:28,741 INFO L142 QuantifierPusher]: treesize reduction 221, result has 33.6 percent of original size [2021-03-26 13:17:28,742 INFO L147 QuantifierPusher]: treesize reduction 19, result has 83.0 percent of original size 93 [2021-03-26 13:17:28,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:28,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:28,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117370577] [2021-03-26 13:17:28,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:17:28,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:17:28,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146310616] [2021-03-26 13:17:28,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:17:28,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:17:28,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:17:28,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:17:28,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 195 [2021-03-26 13:17:28,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 1308 transitions, 54161 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:28,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:17:28,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 195 [2021-03-26 13:17:28,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:17:33,048 INFO L129 PetriNetUnfolder]: 1207/2646 cut-off events. [2021-03-26 13:17:33,048 INFO L130 PetriNetUnfolder]: For 409338/411233 co-relation queries the response was YES. [2021-03-26 13:17:33,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61664 conditions, 2646 events. 1207/2646 cut-off events. For 409338/411233 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 20619 event pairs, 46 based on Foata normal form. 30/2676 useless extension candidates. Maximal degree in co-relation 61452. Up to 2179 conditions per place. [2021-03-26 13:17:33,147 INFO L132 encePairwiseOnDemand]: 152/195 looper letters, 1019 selfloop transitions, 389 changer transitions 1/1412 dead transitions. [2021-03-26 13:17:33,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 1412 transitions, 61781 flow [2021-03-26 13:17:33,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:17:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:17:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 166 transitions. [2021-03-26 13:17:33,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0773892773892774 [2021-03-26 13:17:33,150 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 166 transitions. [2021-03-26 13:17:33,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 166 transitions. [2021-03-26 13:17:33,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:17:33,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 166 transitions. [2021-03-26 13:17:33,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:33,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:33,151 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:33,151 INFO L185 Difference]: Start difference. First operand has 537 places, 1308 transitions, 54161 flow. Second operand 11 states and 166 transitions. [2021-03-26 13:17:33,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 1412 transitions, 61781 flow [2021-03-26 13:17:35,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 1412 transitions, 61422 flow, removed 92 selfloop flow, removed 7 redundant places. [2021-03-26 13:17:35,663 INFO L241 Difference]: Finished difference. Result has 546 places, 1372 transitions, 58023 flow [2021-03-26 13:17:35,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=53788, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=959, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=58023, PETRI_PLACES=546, PETRI_TRANSITIONS=1372} [2021-03-26 13:17:35,664 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 529 predicate places. [2021-03-26 13:17:35,664 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:17:35,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 1372 transitions, 58023 flow [2021-03-26 13:17:35,664 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 1372 transitions, 58023 flow [2021-03-26 13:17:35,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 545 places, 1372 transitions, 58023 flow [2021-03-26 13:17:37,010 INFO L129 PetriNetUnfolder]: 1207/2646 cut-off events. [2021-03-26 13:17:37,010 INFO L130 PetriNetUnfolder]: For 411637/412652 co-relation queries the response was YES. [2021-03-26 13:17:37,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59254 conditions, 2646 events. 1207/2646 cut-off events. For 411637/412652 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 20754 event pairs, 72 based on Foata normal form. 1/2647 useless extension candidates. Maximal degree in co-relation 59023. Up to 1384 conditions per place. [2021-03-26 13:17:37,115 INFO L142 LiptonReduction]: Number of co-enabled transitions 2780 [2021-03-26 13:17:38,109 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:17:38,109 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:17:38,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2445 [2021-03-26 13:17:38,110 INFO L480 AbstractCegarLoop]: Abstraction has has 545 places, 1369 transitions, 57843 flow [2021-03-26 13:17:38,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:38,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:17:38,110 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:17:38,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 13:17:38,110 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:17:38,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:17:38,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1359282362, now seen corresponding path program 1 times [2021-03-26 13:17:38,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:17:38,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089219493] [2021-03-26 13:17:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:17:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:38,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:38,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:38,134 INFO L142 QuantifierPusher]: treesize reduction 82, result has 26.1 percent of original size [2021-03-26 13:17:38,134 INFO L147 QuantifierPusher]: treesize reduction 18, result has 37.9 percent of original size 11 [2021-03-26 13:17:38,153 INFO L142 QuantifierPusher]: treesize reduction 83, result has 40.7 percent of original size [2021-03-26 13:17:38,154 INFO L147 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size 40 [2021-03-26 13:17:38,201 INFO L142 QuantifierPusher]: treesize reduction 40, result has 32.2 percent of original size [2021-03-26 13:17:38,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:17:38,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:38,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089219493] [2021-03-26 13:17:38,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609309590] [2021-03-26 13:17:38,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:17:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:38,246 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:17:38,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:17:38,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,273 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:17:38,274 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:17:38,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:38,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:38,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:38,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:38,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:17:38,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:38,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:38,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:38,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:38,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:17:38,322 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:17:38,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:38,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:38,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:17:38,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:17:38,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:17:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:17:38,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:17:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:17:38,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:38,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:38,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:38,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:38,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:38,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 36 [2021-03-26 13:17:38,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:17:38,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:17:38,354 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:38,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:17:38,369 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:17:38,369 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:39 [2021-03-26 13:17:38,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:17:38,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:17:38,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:17:38,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:17:38,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:17:38,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:17:38,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:38,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:17:38,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:17:38,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2021-03-26 13:17:38,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:17:38,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:17:38,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:38,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:17:38,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:17:38,421 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2021-03-26 13:17:38,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:17:38,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:38,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:17:38,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:38,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:17:38,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:17:38,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678436830] [2021-03-26 13:17:38,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:17:38,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:17:38,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:17:38,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:17:38,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 195 [2021-03-26 13:17:38,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 1369 transitions, 57843 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:17:38,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:17:38,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 195 [2021-03-26 13:17:38,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:17:43,049 INFO L129 PetriNetUnfolder]: 1216/2662 cut-off events. [2021-03-26 13:17:43,050 INFO L130 PetriNetUnfolder]: For 416136/416905 co-relation queries the response was YES. [2021-03-26 13:17:43,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62223 conditions, 2662 events. 1216/2662 cut-off events. For 416136/416905 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 20841 event pairs, 55 based on Foata normal form. 13/2675 useless extension candidates. Maximal degree in co-relation 61990. Up to 2424 conditions per place. [2021-03-26 13:17:43,118 INFO L132 encePairwiseOnDemand]: 165/195 looper letters, 1105 selfloop transitions, 279 changer transitions 1/1388 dead transitions. [2021-03-26 13:17:43,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 1388 transitions, 61397 flow [2021-03-26 13:17:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:17:43,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:17:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 162 transitions. [2021-03-26 13:17:43,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06923076923076923 [2021-03-26 13:17:43,120 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 162 transitions. [2021-03-26 13:17:43,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 162 transitions. [2021-03-26 13:17:43,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:17:43,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 162 transitions. [2021-03-26 13:17:43,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.5) internal successors, (162), 12 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:43,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:43,121 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:43,121 INFO L185 Difference]: Start difference. First operand has 545 places, 1369 transitions, 57843 flow. Second operand 12 states and 162 transitions. [2021-03-26 13:17:43,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 1388 transitions, 61397 flow [2021-03-26 13:17:45,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 1388 transitions, 61179 flow, removed 102 selfloop flow, removed 4 redundant places. [2021-03-26 13:17:45,156 INFO L241 Difference]: Finished difference. Result has 558 places, 1386 transitions, 58949 flow [2021-03-26 13:17:45,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=57470, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1091, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=58949, PETRI_PLACES=558, PETRI_TRANSITIONS=1386} [2021-03-26 13:17:45,157 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 541 predicate places. [2021-03-26 13:17:45,157 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:17:45,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 558 places, 1386 transitions, 58949 flow [2021-03-26 13:17:45,157 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 558 places, 1386 transitions, 58949 flow [2021-03-26 13:17:45,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 1386 transitions, 58949 flow [2021-03-26 13:17:46,221 INFO L129 PetriNetUnfolder]: 1216/2662 cut-off events. [2021-03-26 13:17:46,221 INFO L130 PetriNetUnfolder]: For 426616/427751 co-relation queries the response was YES. [2021-03-26 13:17:46,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60182 conditions, 2662 events. 1216/2662 cut-off events. For 426616/427751 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 20907 event pairs, 72 based on Foata normal form. 1/2663 useless extension candidates. Maximal degree in co-relation 59946. Up to 1379 conditions per place. [2021-03-26 13:17:46,425 INFO L142 LiptonReduction]: Number of co-enabled transitions 2808 [2021-03-26 13:17:48,105 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-26 13:17:48,105 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 13:17:48,105 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2948 [2021-03-26 13:17:48,106 INFO L480 AbstractCegarLoop]: Abstraction has has 556 places, 1378 transitions, 58668 flow [2021-03-26 13:17:48,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:17:48,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:17:48,106 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:17:48,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable108 [2021-03-26 13:17:48,320 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:17:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:17:48,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1273752364, now seen corresponding path program 1 times [2021-03-26 13:17:48,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:17:48,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056094688] [2021-03-26 13:17:48,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:17:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:48,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:48,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:48,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:48,333 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:17:48,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:17:48,338 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:17:48,338 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:17:48,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:48,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056094688] [2021-03-26 13:17:48,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329152839] [2021-03-26 13:17:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-26 13:17:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:17:48,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:17:48,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:17:48,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:17:48,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:48,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:48,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:17:48,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:17:48,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:17:48,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:48,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:17:48,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:48,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:48,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:17:48,461 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:17:48,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:48,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:17:48,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:17:48,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:17:48,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:17:48,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:17:48,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:48,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:17:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:17:48,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:17:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:17:48,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:17:48,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:17:48,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:48,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:17:48,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:17:48,498 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:17:48,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:17:48,500 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:17:48,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:17:48,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:17:48,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:17:48,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:17:48,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:17:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:17:48,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:17:48,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-26 13:17:48,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629424187] [2021-03-26 13:17:48,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 13:17:48,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:17:48,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 13:17:48,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-03-26 13:17:48,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 201 [2021-03-26 13:17:48,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 1378 transitions, 58668 flow. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:48,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:17:48,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 201 [2021-03-26 13:17:48,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:17:56,748 INFO L129 PetriNetUnfolder]: 1410/3080 cut-off events. [2021-03-26 13:17:56,748 INFO L130 PetriNetUnfolder]: For 507250/508029 co-relation queries the response was YES. [2021-03-26 13:17:56,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72914 conditions, 3080 events. 1410/3080 cut-off events. For 507250/508029 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 24833 event pairs, 65 based on Foata normal form. 16/3095 useless extension candidates. Maximal degree in co-relation 72676. Up to 2061 conditions per place. [2021-03-26 13:17:56,829 INFO L132 encePairwiseOnDemand]: 147/201 looper letters, 1069 selfloop transitions, 617 changer transitions 1/1690 dead transitions. [2021-03-26 13:17:56,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 1690 transitions, 74363 flow [2021-03-26 13:17:56,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 13:17:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 13:17:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 241 transitions. [2021-03-26 13:17:56,831 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06310552500654622 [2021-03-26 13:17:56,832 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 241 transitions. [2021-03-26 13:17:56,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 241 transitions. [2021-03-26 13:17:56,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:17:56,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 241 transitions. [2021-03-26 13:17:56,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 12.68421052631579) internal successors, (241), 19 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:56,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 201.0) internal successors, (4020), 20 states have internal predecessors, (4020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:56,840 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 201.0) internal successors, (4020), 20 states have internal predecessors, (4020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:17:56,840 INFO L185 Difference]: Start difference. First operand has 556 places, 1378 transitions, 58668 flow. Second operand 19 states and 241 transitions. [2021-03-26 13:17:56,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 1690 transitions, 74363 flow [2021-03-26 13:17:59,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 1690 transitions, 74108 flow, removed 113 selfloop flow, removed 5 redundant places. [2021-03-26 13:17:59,217 INFO L241 Difference]: Finished difference. Result has 574 places, 1556 transitions, 67263 flow [2021-03-26 13:17:59,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=58059, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=445, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=834, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=67263, PETRI_PLACES=574, PETRI_TRANSITIONS=1556} [2021-03-26 13:17:59,218 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 557 predicate places. [2021-03-26 13:17:59,218 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:17:59,218 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 574 places, 1556 transitions, 67263 flow [2021-03-26 13:17:59,218 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 574 places, 1556 transitions, 67263 flow [2021-03-26 13:17:59,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 573 places, 1556 transitions, 67263 flow [2021-03-26 13:18:00,641 INFO L129 PetriNetUnfolder]: 1410/3079 cut-off events. [2021-03-26 13:18:00,641 INFO L130 PetriNetUnfolder]: For 522177/522224 co-relation queries the response was YES. [2021-03-26 13:18:00,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71775 conditions, 3079 events. 1410/3079 cut-off events. For 522177/522224 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 24979 event pairs, 85 based on Foata normal form. 0/3079 useless extension candidates. Maximal degree in co-relation 71535. Up to 1543 conditions per place. [2021-03-26 13:18:00,770 INFO L142 LiptonReduction]: Number of co-enabled transitions 3150 [2021-03-26 13:18:02,142 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:18:02,143 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 13:18:02,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2925 [2021-03-26 13:18:02,143 INFO L480 AbstractCegarLoop]: Abstraction has has 573 places, 1553 transitions, 67133 flow [2021-03-26 13:18:02,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:02,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:18:02,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:18:02,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:18:02,358 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:18:02,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:18:02,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1667525395, now seen corresponding path program 1 times [2021-03-26 13:18:02,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:18:02,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952498603] [2021-03-26 13:18:02,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:18:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:02,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:02,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:02,383 INFO L142 QuantifierPusher]: treesize reduction 117, result has 22.5 percent of original size [2021-03-26 13:18:02,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:02,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:02,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:18:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:02,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952498603] [2021-03-26 13:18:02,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:18:02,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:18:02,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311494739] [2021-03-26 13:18:02,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:18:02,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:18:02,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:18:02,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:18:02,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 202 [2021-03-26 13:18:02,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 1553 transitions, 67133 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:02,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:18:02,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 202 [2021-03-26 13:18:02,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:18:07,083 INFO L129 PetriNetUnfolder]: 1410/3076 cut-off events. [2021-03-26 13:18:07,083 INFO L130 PetriNetUnfolder]: For 533157/539570 co-relation queries the response was YES. [2021-03-26 13:18:07,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74862 conditions, 3076 events. 1410/3076 cut-off events. For 533157/539570 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 24668 event pairs, 66 based on Foata normal form. 28/3104 useless extension candidates. Maximal degree in co-relation 74620. Up to 2830 conditions per place. [2021-03-26 13:18:07,181 INFO L132 encePairwiseOnDemand]: 169/202 looper letters, 1299 selfloop transitions, 254 changer transitions 0/1556 dead transitions. [2021-03-26 13:18:07,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 1556 transitions, 70420 flow [2021-03-26 13:18:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:18:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:18:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 102 transitions. [2021-03-26 13:18:07,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.100990099009901 [2021-03-26 13:18:07,191 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 102 transitions. [2021-03-26 13:18:07,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 102 transitions. [2021-03-26 13:18:07,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:18:07,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 102 transitions. [2021-03-26 13:18:07,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:07,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:07,192 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:07,192 INFO L185 Difference]: Start difference. First operand has 573 places, 1553 transitions, 67133 flow. Second operand 5 states and 102 transitions. [2021-03-26 13:18:07,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 1556 transitions, 70420 flow [2021-03-26 13:18:10,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 1556 transitions, 69710 flow, removed 283 selfloop flow, removed 7 redundant places. [2021-03-26 13:18:10,392 INFO L241 Difference]: Finished difference. Result has 571 places, 1555 transitions, 67329 flow [2021-03-26 13:18:10,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=66427, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=252, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=67329, PETRI_PLACES=571, PETRI_TRANSITIONS=1555} [2021-03-26 13:18:10,393 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 554 predicate places. [2021-03-26 13:18:10,393 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:18:10,394 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 571 places, 1555 transitions, 67329 flow [2021-03-26 13:18:10,394 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 571 places, 1555 transitions, 67329 flow [2021-03-26 13:18:10,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 571 places, 1555 transitions, 67329 flow [2021-03-26 13:18:11,770 INFO L129 PetriNetUnfolder]: 1410/3076 cut-off events. [2021-03-26 13:18:11,770 INFO L130 PetriNetUnfolder]: For 528332/528332 co-relation queries the response was YES. [2021-03-26 13:18:11,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71916 conditions, 3076 events. 1410/3076 cut-off events. For 528332/528332 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 24957 event pairs, 85 based on Foata normal form. 0/3076 useless extension candidates. Maximal degree in co-relation 71676. Up to 1540 conditions per place. [2021-03-26 13:18:11,885 INFO L142 LiptonReduction]: Number of co-enabled transitions 3148 [2021-03-26 13:18:13,180 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:18:13,181 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:18:13,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2788 [2021-03-26 13:18:13,181 INFO L480 AbstractCegarLoop]: Abstraction has has 571 places, 1553 transitions, 67183 flow [2021-03-26 13:18:13,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:13,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:18:13,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:18:13,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 13:18:13,181 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:18:13,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:18:13,182 INFO L82 PathProgramCache]: Analyzing trace with hash -153679527, now seen corresponding path program 1 times [2021-03-26 13:18:13,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:18:13,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75265569] [2021-03-26 13:18:13,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:18:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:13,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:13,220 INFO L142 QuantifierPusher]: treesize reduction 117, result has 22.5 percent of original size [2021-03-26 13:18:13,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:13,233 INFO L142 QuantifierPusher]: treesize reduction 92, result has 35.7 percent of original size [2021-03-26 13:18:13,234 INFO L147 QuantifierPusher]: treesize reduction 14, result has 72.5 percent of original size 37 [2021-03-26 13:18:13,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:18:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:13,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75265569] [2021-03-26 13:18:13,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899623391] [2021-03-26 13:18:13,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 13:18:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:13,306 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:18:13,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:18:13,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:18:13,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:13,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:13,328 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-26 13:18:13,328 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-26 13:18:13,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:13,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-03-26 13:18:13,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:13,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:13,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:13,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:18:13,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:13,359 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:40 [2021-03-26 13:18:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:18:13,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:18:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:18:13,379 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.7 percent of original size 85 [2021-03-26 13:18:13,380 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.7 percent of original size [2021-03-26 13:18:13,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:18:13,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:18:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:18:13,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:18:13,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 78 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 105 [2021-03-26 13:18:13,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:18:13,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:18:13,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:13,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:18:13,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:13,480 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:96 [2021-03-26 13:18:13,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:18:13,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:18:13,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 13:18:13,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-26 13:18:13,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:18:13,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:18:13,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:13,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 13:18:13,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:18:13,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:13,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 118 [2021-03-26 13:18:13,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:18:13,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:18:13,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:13,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:18:13,596 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:13,596 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:82 [2021-03-26 13:18:13,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:18:13,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:13,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:18:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:13,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:18:13,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:18:13,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574032483] [2021-03-26 13:18:13,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:18:13,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:18:13,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:18:13,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:18:13,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 202 [2021-03-26 13:18:13,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 1553 transitions, 67183 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:18:13,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:18:13,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 202 [2021-03-26 13:18:13,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:18:18,677 INFO L129 PetriNetUnfolder]: 1405/3067 cut-off events. [2021-03-26 13:18:18,677 INFO L130 PetriNetUnfolder]: For 535971/539890 co-relation queries the response was YES. [2021-03-26 13:18:18,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74779 conditions, 3067 events. 1405/3067 cut-off events. For 535971/539890 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 24659 event pairs, 61 based on Foata normal form. 27/3094 useless extension candidates. Maximal degree in co-relation 74537. Up to 2818 conditions per place. [2021-03-26 13:18:18,761 INFO L132 encePairwiseOnDemand]: 169/202 looper letters, 1295 selfloop transitions, 256 changer transitions 1/1555 dead transitions. [2021-03-26 13:18:18,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 1555 transitions, 70457 flow [2021-03-26 13:18:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:18:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:18:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 128 transitions. [2021-03-26 13:18:18,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07920792079207921 [2021-03-26 13:18:18,764 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 128 transitions. [2021-03-26 13:18:18,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 128 transitions. [2021-03-26 13:18:18,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:18:18,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 128 transitions. [2021-03-26 13:18:18,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 16.0) internal successors, (128), 8 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) [2021-03-26 13:18:18,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 202.0) internal successors, (1818), 9 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:18,765 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 202.0) internal successors, (1818), 9 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:18,765 INFO L185 Difference]: Start difference. First operand has 571 places, 1553 transitions, 67183 flow. Second operand 8 states and 128 transitions. [2021-03-26 13:18:18,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 1555 transitions, 70457 flow [2021-03-26 13:18:21,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 1555 transitions, 70410 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 13:18:21,664 INFO L241 Difference]: Finished difference. Result has 579 places, 1553 transitions, 67968 flow [2021-03-26 13:18:21,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=66962, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=67968, PETRI_PLACES=579, PETRI_TRANSITIONS=1553} [2021-03-26 13:18:21,665 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 562 predicate places. [2021-03-26 13:18:21,665 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:18:21,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 579 places, 1553 transitions, 67968 flow [2021-03-26 13:18:21,665 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 579 places, 1553 transitions, 67968 flow [2021-03-26 13:18:21,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 578 places, 1553 transitions, 67968 flow [2021-03-26 13:18:22,984 INFO L129 PetriNetUnfolder]: 1405/3066 cut-off events. [2021-03-26 13:18:22,984 INFO L130 PetriNetUnfolder]: For 548920/549120 co-relation queries the response was YES. [2021-03-26 13:18:23,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72685 conditions, 3066 events. 1405/3066 cut-off events. For 548920/549120 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 24824 event pairs, 84 based on Foata normal form. 0/3066 useless extension candidates. Maximal degree in co-relation 72441. Up to 1538 conditions per place. [2021-03-26 13:18:23,097 INFO L142 LiptonReduction]: Number of co-enabled transitions 3144 [2021-03-26 13:18:25,244 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:18:25,244 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:18:25,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3580 [2021-03-26 13:18:25,245 INFO L480 AbstractCegarLoop]: Abstraction has has 576 places, 1550 transitions, 67770 flow [2021-03-26 13:18:25,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:18:25,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:18:25,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:18:25,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-03-26 13:18:25,460 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:18:25,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:18:25,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1749089540, now seen corresponding path program 1 times [2021-03-26 13:18:25,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:18:25,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900072806] [2021-03-26 13:18:25,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:18:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:25,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:25,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:25,478 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-03-26 13:18:25,478 INFO L147 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size 11 [2021-03-26 13:18:25,500 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 13:18:25,501 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-26 13:18:25,532 INFO L142 QuantifierPusher]: treesize reduction 40, result has 32.2 percent of original size [2021-03-26 13:18:25,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:18:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:18:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:25,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900072806] [2021-03-26 13:18:25,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947780671] [2021-03-26 13:18:25,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:18:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:25,571 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:18:25,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:18:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:25,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:18:25,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:18:25,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:18:25,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:18:25,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:18:25,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:18:25,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:18:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:18:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:18:25,627 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:25,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:18:25,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:25,633 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:18:25,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:18:25,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:18:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:18:25,649 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-26 13:18:25,650 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 13:18:25,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:18:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:18:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:18:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:18:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:25,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-03-26 13:18:25,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:18:25,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:18:25,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:25,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:25,670 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:25,670 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:26 [2021-03-26 13:18:25,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:25,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:18:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:18:25,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:18:25,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:18:25,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:25,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:18:25,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:18:25,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-03-26 13:18:25,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:18:25,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:18:25,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:25,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:18:25,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:25,708 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2021-03-26 13:18:25,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:18:25,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:18:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:25,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:18:25,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:18:25,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014518901] [2021-03-26 13:18:25,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:18:25,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:18:25,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:18:25,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:18:25,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 204 [2021-03-26 13:18:25,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 1550 transitions, 67770 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:18:25,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:18:25,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 204 [2021-03-26 13:18:25,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:18:31,999 INFO L129 PetriNetUnfolder]: 1410/3078 cut-off events. [2021-03-26 13:18:31,999 INFO L130 PetriNetUnfolder]: For 564749/567756 co-relation queries the response was YES. [2021-03-26 13:18:32,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76117 conditions, 3078 events. 1410/3078 cut-off events. For 564749/567756 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 24807 event pairs, 62 based on Foata normal form. 30/3108 useless extension candidates. Maximal degree in co-relation 75871. Up to 2810 conditions per place. [2021-03-26 13:18:32,090 INFO L132 encePairwiseOnDemand]: 168/204 looper letters, 1284 selfloop transitions, 280 changer transitions 1/1568 dead transitions. [2021-03-26 13:18:32,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 1568 transitions, 71950 flow [2021-03-26 13:18:32,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 13:18:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 13:18:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 175 transitions. [2021-03-26 13:18:32,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06598793363499246 [2021-03-26 13:18:32,093 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 175 transitions. [2021-03-26 13:18:32,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 175 transitions. [2021-03-26 13:18:32,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:18:32,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 175 transitions. [2021-03-26 13:18:32,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:32,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 204.0) internal successors, (2856), 14 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:32,094 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 204.0) internal successors, (2856), 14 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:32,094 INFO L185 Difference]: Start difference. First operand has 576 places, 1550 transitions, 67770 flow. Second operand 13 states and 175 transitions. [2021-03-26 13:18:32,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 1568 transitions, 71950 flow [2021-03-26 13:18:35,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 1568 transitions, 71127 flow, removed 45 selfloop flow, removed 7 redundant places. [2021-03-26 13:18:35,807 INFO L241 Difference]: Finished difference. Result has 586 places, 1562 transitions, 68286 flow [2021-03-26 13:18:35,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=66962, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=269, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=68286, PETRI_PLACES=586, PETRI_TRANSITIONS=1562} [2021-03-26 13:18:35,808 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 569 predicate places. [2021-03-26 13:18:35,808 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:18:35,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 1562 transitions, 68286 flow [2021-03-26 13:18:35,809 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 1562 transitions, 68286 flow [2021-03-26 13:18:35,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 1562 transitions, 68286 flow [2021-03-26 13:18:37,775 INFO L129 PetriNetUnfolder]: 1410/3078 cut-off events. [2021-03-26 13:18:37,776 INFO L130 PetriNetUnfolder]: For 545950/546810 co-relation queries the response was YES. [2021-03-26 13:18:37,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72922 conditions, 3078 events. 1410/3078 cut-off events. For 545950/546810 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 24931 event pairs, 84 based on Foata normal form. 1/3079 useless extension candidates. Maximal degree in co-relation 72676. Up to 1546 conditions per place. [2021-03-26 13:18:37,900 INFO L142 LiptonReduction]: Number of co-enabled transitions 3162 [2021-03-26 13:18:39,958 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 13:18:39,959 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 13:18:39,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4151 [2021-03-26 13:18:39,959 INFO L480 AbstractCegarLoop]: Abstraction has has 584 places, 1559 transitions, 68177 flow [2021-03-26 13:18:39,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:18:39,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:18:39,959 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:18:40,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-03-26 13:18:40,172 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:18:40,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:18:40,172 INFO L82 PathProgramCache]: Analyzing trace with hash -153675218, now seen corresponding path program 1 times [2021-03-26 13:18:40,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:18:40,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320328512] [2021-03-26 13:18:40,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:18:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:40,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:40,200 INFO L142 QuantifierPusher]: treesize reduction 239, result has 28.2 percent of original size [2021-03-26 13:18:40,201 INFO L147 QuantifierPusher]: treesize reduction 7, result has 92.6 percent of original size 87 [2021-03-26 13:18:40,316 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:18:40,316 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:18:40,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:18:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:40,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320328512] [2021-03-26 13:18:40,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124070892] [2021-03-26 13:18:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:18:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:40,354 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:18:40,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:18:40,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:40,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:40,374 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-26 13:18:40,374 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-26 13:18:40,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:40,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:40,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:18:40,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-03-26 13:18:40,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:40,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:40,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:40,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:18:40,405 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:40,405 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:40 [2021-03-26 13:18:40,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:18:40,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:18:40,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:18:40,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:18:40,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:18:40,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:18:40,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:18:40,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 13:18:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 105 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 99 [2021-03-26 13:18:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 13:18:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 13:18:40,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:40,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:18:40,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:40,511 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:90 [2021-03-26 13:18:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:18:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:18:40,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:18:40,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:18:40,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:18:40,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:18:40,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:18:40,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:40,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-26 13:18:40,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-26 13:18:40,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-26 13:18:40,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-26 13:18:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:40,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 134 [2021-03-26 13:18:40,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:18:40,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:18:40,627 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:40,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:18:40,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:18:40,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:18:40,663 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:96, output treesize:95 [2021-03-26 13:18:40,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:18:40,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:18:40,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:40,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:40,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:18:40,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 13:18:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:40,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:18:40,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:18:40,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054356588] [2021-03-26 13:18:40,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:18:40,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:18:40,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:18:40,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:18:40,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 207 [2021-03-26 13:18:40,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 1559 transitions, 68177 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:18:40,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:18:40,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 207 [2021-03-26 13:18:40,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:18:45,877 INFO L129 PetriNetUnfolder]: 1409/3076 cut-off events. [2021-03-26 13:18:45,877 INFO L130 PetriNetUnfolder]: For 560204/563196 co-relation queries the response was YES. [2021-03-26 13:18:45,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76008 conditions, 3076 events. 1409/3076 cut-off events. For 560204/563196 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 24752 event pairs, 62 based on Foata normal form. 28/3104 useless extension candidates. Maximal degree in co-relation 75760. Up to 2827 conditions per place. [2021-03-26 13:18:45,965 INFO L132 encePairwiseOnDemand]: 173/207 looper letters, 1303 selfloop transitions, 251 changer transitions 5/1562 dead transitions. [2021-03-26 13:18:45,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 1562 transitions, 71478 flow [2021-03-26 13:18:45,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:18:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:18:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 120 transitions. [2021-03-26 13:18:45,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08281573498964803 [2021-03-26 13:18:45,967 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 120 transitions. [2021-03-26 13:18:45,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 120 transitions. [2021-03-26 13:18:45,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:18:45,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 120 transitions. [2021-03-26 13:18:45,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2021-03-26 13:18:45,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:45,968 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:45,968 INFO L185 Difference]: Start difference. First operand has 584 places, 1559 transitions, 68177 flow. Second operand 7 states and 120 transitions. [2021-03-26 13:18:45,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 1562 transitions, 71478 flow [2021-03-26 13:18:49,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 1562 transitions, 70972 flow, removed 123 selfloop flow, removed 5 redundant places. [2021-03-26 13:18:49,051 INFO L241 Difference]: Finished difference. Result has 586 places, 1556 transitions, 67966 flow [2021-03-26 13:18:49,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=67671, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=67966, PETRI_PLACES=586, PETRI_TRANSITIONS=1556} [2021-03-26 13:18:49,052 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 569 predicate places. [2021-03-26 13:18:49,052 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:18:49,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 1556 transitions, 67966 flow [2021-03-26 13:18:49,053 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 1556 transitions, 67966 flow [2021-03-26 13:18:49,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 582 places, 1556 transitions, 67966 flow [2021-03-26 13:18:50,516 INFO L129 PetriNetUnfolder]: 1408/3071 cut-off events. [2021-03-26 13:18:50,516 INFO L130 PetriNetUnfolder]: For 549010/549010 co-relation queries the response was YES. [2021-03-26 13:18:50,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72778 conditions, 3071 events. 1408/3071 cut-off events. For 549010/549010 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 24889 event pairs, 83 based on Foata normal form. 0/3071 useless extension candidates. Maximal degree in co-relation 72531. Up to 1541 conditions per place. [2021-03-26 13:18:50,634 INFO L142 LiptonReduction]: Number of co-enabled transitions 3150 [2021-03-26 13:18:51,143 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:18:51,143 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:18:51,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2091 [2021-03-26 13:18:51,144 INFO L480 AbstractCegarLoop]: Abstraction has has 582 places, 1556 transitions, 67966 flow [2021-03-26 13:18:51,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:18:51,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:18:51,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:18:51,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-26 13:18:51,358 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:18:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:18:51,359 INFO L82 PathProgramCache]: Analyzing trace with hash 195252461, now seen corresponding path program 1 times [2021-03-26 13:18:51,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:18:51,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978728877] [2021-03-26 13:18:51,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:18:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:51,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:51,378 INFO L142 QuantifierPusher]: treesize reduction 85, result has 37.0 percent of original size [2021-03-26 13:18:51,379 INFO L147 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size 39 [2021-03-26 13:18:51,415 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:18:51,416 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:18:51,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:18:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:51,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978728877] [2021-03-26 13:18:51,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122488954] [2021-03-26 13:18:51,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:18:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:18:51,458 WARN L261 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:18:51,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:18:51,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,476 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:18:51,476 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:18:51,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:18:51,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:18:51,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:18:51,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:18:51,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:18:51,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:18:51,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:18:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2021-03-26 13:18:51,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:18:51,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:18:51,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:51,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:51,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:51,518 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:34 [2021-03-26 13:18:51,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:51,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:18:51,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:18:51,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:18:51,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:18:51,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:18:51,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:18:51,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:18:51,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 36 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 63 [2021-03-26 13:18:51,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:18:51,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:18:51,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:51,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:18:51,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:18:51,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:54 [2021-03-26 13:18:51,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:18:51,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:18:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:18:51,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:18:51,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:18:51,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:18:51,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:18:51,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:18:51,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:18:51,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:18:51,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:18:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:18:51,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:18:51,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 80 [2021-03-26 13:18:51,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:18:51,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:18:51,644 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:18:51,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:18:51,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:18:51,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:18:51,673 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:59 [2021-03-26 13:18:51,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:18:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:18:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:18:51,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:18:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:18:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:18:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:18:51,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:18:51,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:18:51,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219712702] [2021-03-26 13:18:51,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:18:51,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:18:51,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:18:51,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:18:51,714 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 207 [2021-03-26 13:18:51,714 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 1556 transitions, 67966 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:18:51,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:18:51,714 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 207 [2021-03-26 13:18:51,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:18:56,332 INFO L129 PetriNetUnfolder]: 1408/3073 cut-off events. [2021-03-26 13:18:56,332 INFO L130 PetriNetUnfolder]: For 562445/563150 co-relation queries the response was YES. [2021-03-26 13:18:56,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75919 conditions, 3073 events. 1408/3073 cut-off events. For 562445/563150 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 24768 event pairs, 61 based on Foata normal form. 14/3087 useless extension candidates. Maximal degree in co-relation 75670. Up to 2823 conditions per place. [2021-03-26 13:18:56,445 INFO L132 encePairwiseOnDemand]: 172/207 looper letters, 1297 selfloop transitions, 254 changer transitions 5/1559 dead transitions. [2021-03-26 13:18:56,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 1559 transitions, 71261 flow [2021-03-26 13:18:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:18:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:18:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 134 transitions. [2021-03-26 13:18:56,447 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07192699946323135 [2021-03-26 13:18:56,447 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 134 transitions. [2021-03-26 13:18:56,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 134 transitions. [2021-03-26 13:18:56,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:18:56,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 134 transitions. [2021-03-26 13:18:56,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 14.88888888888889) internal successors, (134), 9 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:56,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 207.0) internal successors, (2070), 10 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:56,448 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 207.0) internal successors, (2070), 10 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:18:56,448 INFO L185 Difference]: Start difference. First operand has 582 places, 1556 transitions, 67966 flow. Second operand 9 states and 134 transitions. [2021-03-26 13:18:56,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 1559 transitions, 71261 flow [2021-03-26 13:19:00,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 1559 transitions, 70044 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-03-26 13:19:00,480 INFO L241 Difference]: Finished difference. Result has 584 places, 1553 transitions, 67101 flow [2021-03-26 13:19:00,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=66751, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=67101, PETRI_PLACES=584, PETRI_TRANSITIONS=1553} [2021-03-26 13:19:00,481 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 567 predicate places. [2021-03-26 13:19:00,481 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:19:00,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 584 places, 1553 transitions, 67101 flow [2021-03-26 13:19:00,482 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 584 places, 1553 transitions, 67101 flow [2021-03-26 13:19:00,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 579 places, 1553 transitions, 67101 flow [2021-03-26 13:19:02,501 INFO L129 PetriNetUnfolder]: 1407/3068 cut-off events. [2021-03-26 13:19:02,501 INFO L130 PetriNetUnfolder]: For 526291/526291 co-relation queries the response was YES. [2021-03-26 13:19:02,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71849 conditions, 3068 events. 1407/3068 cut-off events. For 526291/526291 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 24851 event pairs, 83 based on Foata normal form. 0/3068 useless extension candidates. Maximal degree in co-relation 71604. Up to 1540 conditions per place. [2021-03-26 13:19:02,682 INFO L142 LiptonReduction]: Number of co-enabled transitions 3144 [2021-03-26 13:19:03,454 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:19:03,454 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:19:03,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2973 [2021-03-26 13:19:03,455 INFO L480 AbstractCegarLoop]: Abstraction has has 579 places, 1553 transitions, 67101 flow [2021-03-26 13:19:03,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:19:03,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:19:03,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:19:03,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:19:03,668 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:19:03,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:19:03,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1749652723, now seen corresponding path program 1 times [2021-03-26 13:19:03,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:19:03,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785206806] [2021-03-26 13:19:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:19:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:03,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:03,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:03,685 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:19:03,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:19:03,691 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:19:03,691 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:19:03,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:03,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785206806] [2021-03-26 13:19:03,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183125195] [2021-03-26 13:19:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:19:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:03,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:19:03,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:19:03,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:03,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:03,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:03,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:03,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:19:03,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:03,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:03,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:03,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:03,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:19:03,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:19:03,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:03,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:03,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:19:03,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:03,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:19:03,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:03,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:19:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:03,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:19:03,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:19:03,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:03,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:19:03,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:03,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:03,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:03,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:03,864 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:19:03,864 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:19:03,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:03,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:03,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:03,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:03,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:03,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:19:03,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:19:03,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461974768] [2021-03-26 13:19:03,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:19:03,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:19:03,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:19:03,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:19:03,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 207 [2021-03-26 13:19:03,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 1553 transitions, 67101 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:19:03,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:19:03,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 207 [2021-03-26 13:19:03,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:19:08,541 INFO L129 PetriNetUnfolder]: 1467/3205 cut-off events. [2021-03-26 13:19:08,541 INFO L130 PetriNetUnfolder]: For 563374/564435 co-relation queries the response was YES. [2021-03-26 13:19:08,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77925 conditions, 3205 events. 1467/3205 cut-off events. For 563374/564435 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 26052 event pairs, 72 based on Foata normal form. 30/3235 useless extension candidates. Maximal degree in co-relation 77678. Up to 2272 conditions per place. [2021-03-26 13:19:08,629 INFO L132 encePairwiseOnDemand]: 161/207 looper letters, 1096 selfloop transitions, 547 changer transitions 17/1663 dead transitions. [2021-03-26 13:19:08,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 1663 transitions, 75203 flow [2021-03-26 13:19:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 13:19:08,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 13:19:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 255 transitions. [2021-03-26 13:19:08,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.05866114561766736 [2021-03-26 13:19:08,631 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 255 transitions. [2021-03-26 13:19:08,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 255 transitions. [2021-03-26 13:19:08,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:19:08,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 255 transitions. [2021-03-26 13:19:08,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 12.142857142857142) internal successors, (255), 21 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:08,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 207.0) internal successors, (4554), 22 states have internal predecessors, (4554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:08,633 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 207.0) internal successors, (4554), 22 states have internal predecessors, (4554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:08,633 INFO L185 Difference]: Start difference. First operand has 579 places, 1553 transitions, 67101 flow. Second operand 21 states and 255 transitions. [2021-03-26 13:19:08,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 1663 transitions, 75203 flow [2021-03-26 13:19:11,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 1663 transitions, 74418 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 13:19:11,683 INFO L241 Difference]: Finished difference. Result has 596 places, 1604 transitions, 70039 flow [2021-03-26 13:19:11,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=66358, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=492, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1028, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=70039, PETRI_PLACES=596, PETRI_TRANSITIONS=1604} [2021-03-26 13:19:11,684 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 579 predicate places. [2021-03-26 13:19:11,684 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:19:11,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 596 places, 1604 transitions, 70039 flow [2021-03-26 13:19:11,685 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 596 places, 1604 transitions, 70039 flow [2021-03-26 13:19:11,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 591 places, 1604 transitions, 70039 flow [2021-03-26 13:19:13,123 INFO L129 PetriNetUnfolder]: 1459/3185 cut-off events. [2021-03-26 13:19:13,123 INFO L130 PetriNetUnfolder]: For 544253/544253 co-relation queries the response was YES. [2021-03-26 13:19:13,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74535 conditions, 3185 events. 1459/3185 cut-off events. For 544253/544253 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 26067 event pairs, 89 based on Foata normal form. 0/3185 useless extension candidates. Maximal degree in co-relation 74287. Up to 1630 conditions per place. [2021-03-26 13:19:13,241 INFO L142 LiptonReduction]: Number of co-enabled transitions 3246 [2021-03-26 13:19:13,828 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:19:13,828 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:19:13,828 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2144 [2021-03-26 13:19:13,828 INFO L480 AbstractCegarLoop]: Abstraction has has 591 places, 1604 transitions, 70039 flow [2021-03-26 13:19:13,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:19:13,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:19:13,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:19:14,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,91 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:19:14,036 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:19:14,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:19:14,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1903830877, now seen corresponding path program 1 times [2021-03-26 13:19:14,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:19:14,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985971605] [2021-03-26 13:19:14,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:19:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:14,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:14,049 INFO L142 QuantifierPusher]: treesize reduction 106, result has 4.5 percent of original size [2021-03-26 13:19:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:14,056 INFO L142 QuantifierPusher]: treesize reduction 111, result has 20.7 percent of original size [2021-03-26 13:19:14,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:19:14,068 INFO L142 QuantifierPusher]: treesize reduction 35, result has 40.7 percent of original size [2021-03-26 13:19:14,069 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-26 13:19:14,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:14,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985971605] [2021-03-26 13:19:14,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300304323] [2021-03-26 13:19:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-26 13:19:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:14,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:19:14,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:19:14,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:14,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:14,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:14,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:14,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:14,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:14,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:14,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:14,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:14,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:14,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:14,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:14,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:14,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:14,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:14,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:19:14,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:14,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:14,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:14,176 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:14,176 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:19:14,177 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:19:14,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:14,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:14,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:19:14,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:19:14,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:19:14,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:19:14,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:19:14,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:19:14,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:14,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:19:14,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:19:14,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:19:14,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,259 INFO L354 Elim1Store]: treesize reduction 90, result has 23.1 percent of original size [2021-03-26 13:19:14,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 42 [2021-03-26 13:19:14,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:19:14,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:19:14,261 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:14,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:14,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:19:14,278 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:19:14,278 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:50 [2021-03-26 13:19:14,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:14,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:19:14,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:14,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:19:14,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:19:14,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:19:14,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:19:14,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:19:14,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:14,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:14,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:14,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:19:14,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:19:14,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:19:14,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:19:14,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:19:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:14,375 INFO L354 Elim1Store]: treesize reduction 120, result has 18.4 percent of original size [2021-03-26 13:19:14,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 62 [2021-03-26 13:19:14,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:19:14,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:19:14,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:14,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:19:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:14,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:14,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:19:14,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:19:14,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:19:14,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:19:14,398 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:55 [2021-03-26 13:19:14,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:19:14,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:14,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:14,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:19:14,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:19:14,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:19:14,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:14,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:14,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:19:14,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:19:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:14,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:19:14,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:19:14,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356277990] [2021-03-26 13:19:14,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:19:14,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:19:14,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:19:14,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:19:14,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 207 [2021-03-26 13:19:14,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 1604 transitions, 70039 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:19:14,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:19:14,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 207 [2021-03-26 13:19:14,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:19:20,614 INFO L129 PetriNetUnfolder]: 1483/3238 cut-off events. [2021-03-26 13:19:20,614 INFO L130 PetriNetUnfolder]: For 562302/570904 co-relation queries the response was YES. [2021-03-26 13:19:20,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78756 conditions, 3238 events. 1483/3238 cut-off events. For 562302/570904 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 26209 event pairs, 65 based on Foata normal form. 28/3266 useless extension candidates. Maximal degree in co-relation 78506. Up to 2928 conditions per place. [2021-03-26 13:19:20,724 INFO L132 encePairwiseOnDemand]: 177/207 looper letters, 1349 selfloop transitions, 287 changer transitions 0/1639 dead transitions. [2021-03-26 13:19:20,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 1639 transitions, 74675 flow [2021-03-26 13:19:20,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 13:19:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 13:19:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 173 transitions. [2021-03-26 13:19:20,726 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06428836863619472 [2021-03-26 13:19:20,726 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 173 transitions. [2021-03-26 13:19:20,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 173 transitions. [2021-03-26 13:19:20,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:19:20,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 173 transitions. [2021-03-26 13:19:20,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.307692307692308) internal successors, (173), 13 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:20,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 207.0) internal successors, (2898), 14 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:20,728 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 207.0) internal successors, (2898), 14 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:20,728 INFO L185 Difference]: Start difference. First operand has 591 places, 1604 transitions, 70039 flow. Second operand 13 states and 173 transitions. [2021-03-26 13:19:20,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 1639 transitions, 74675 flow [2021-03-26 13:19:24,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 1639 transitions, 74247 flow, removed 183 selfloop flow, removed 6 redundant places. [2021-03-26 13:19:24,396 INFO L241 Difference]: Finished difference. Result has 602 places, 1627 transitions, 71525 flow [2021-03-26 13:19:24,398 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=69623, PETRI_DIFFERENCE_MINUEND_PLACES=585, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=264, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=71525, PETRI_PLACES=602, PETRI_TRANSITIONS=1627} [2021-03-26 13:19:24,398 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 585 predicate places. [2021-03-26 13:19:24,398 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:19:24,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 602 places, 1627 transitions, 71525 flow [2021-03-26 13:19:24,398 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 602 places, 1627 transitions, 71525 flow [2021-03-26 13:19:24,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 602 places, 1627 transitions, 71525 flow [2021-03-26 13:19:26,246 INFO L129 PetriNetUnfolder]: 1483/3238 cut-off events. [2021-03-26 13:19:26,246 INFO L130 PetriNetUnfolder]: For 569202/569228 co-relation queries the response was YES. [2021-03-26 13:19:26,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75941 conditions, 3238 events. 1483/3238 cut-off events. For 569202/569228 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 26542 event pairs, 89 based on Foata normal form. 0/3238 useless extension candidates. Maximal degree in co-relation 75689. Up to 1655 conditions per place. [2021-03-26 13:19:26,386 INFO L142 LiptonReduction]: Number of co-enabled transitions 3292 [2021-03-26 13:19:27,819 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:19:27,819 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:19:27,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3421 [2021-03-26 13:19:27,820 INFO L480 AbstractCegarLoop]: Abstraction has has 601 places, 1625 transitions, 71419 flow [2021-03-26 13:19:27,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:19:27,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:19:27,820 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:19:28,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-03-26 13:19:28,035 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:19:28,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:19:28,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1655929825, now seen corresponding path program 1 times [2021-03-26 13:19:28,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:19:28,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380347515] [2021-03-26 13:19:28,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:19:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:28,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:28,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:28,090 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:19:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:19:28,096 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:19:28,096 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:19:28,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:28,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380347515] [2021-03-26 13:19:28,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656552918] [2021-03-26 13:19:28,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 13:19:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:28,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:19:28,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:19:28,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:19:28,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:28,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:28,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:28,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:28,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:28,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:19:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:28,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:28,236 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:28,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:28,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:19:28,243 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:19:28,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:28,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:28,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:19:28,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:28,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:19:28,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:28,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:19:28,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:28,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:28,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:19:28,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:19:28,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:28,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:19:28,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:28,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:28,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:28,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:28,282 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:19:28,283 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:19:28,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:28,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:28,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:28,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:28,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:28,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:19:28,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-26 13:19:28,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426564542] [2021-03-26 13:19:28,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-26 13:19:28,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:19:28,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-26 13:19:28,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-03-26 13:19:28,302 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 208 [2021-03-26 13:19:28,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 1625 transitions, 71419 flow. Second operand has 16 states, 16 states have (on average 8.0) internal successors, (128), 16 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) [2021-03-26 13:19:28,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:19:28,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 208 [2021-03-26 13:19:28,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:19:33,689 INFO L129 PetriNetUnfolder]: 1614/3534 cut-off events. [2021-03-26 13:19:33,689 INFO L130 PetriNetUnfolder]: For 649865/658467 co-relation queries the response was YES. [2021-03-26 13:19:33,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87676 conditions, 3534 events. 1614/3534 cut-off events. For 649865/658467 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 29360 event pairs, 70 based on Foata normal form. 80/3614 useless extension candidates. Maximal degree in co-relation 87422. Up to 2644 conditions per place. [2021-03-26 13:19:33,789 INFO L132 encePairwiseOnDemand]: 163/208 looper letters, 1219 selfloop transitions, 592 changer transitions 60/1874 dead transitions. [2021-03-26 13:19:33,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 1874 transitions, 87726 flow [2021-03-26 13:19:33,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 13:19:33,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 13:19:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 285 transitions. [2021-03-26 13:19:33,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.05709134615384615 [2021-03-26 13:19:33,791 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 285 transitions. [2021-03-26 13:19:33,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 285 transitions. [2021-03-26 13:19:33,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:19:33,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 285 transitions. [2021-03-26 13:19:33,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 11.875) internal successors, (285), 24 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:33,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 208.0) internal successors, (5200), 25 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:33,794 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 208.0) internal successors, (5200), 25 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:33,794 INFO L185 Difference]: Start difference. First operand has 601 places, 1625 transitions, 71419 flow. Second operand 24 states and 285 transitions. [2021-03-26 13:19:33,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 1874 transitions, 87726 flow [2021-03-26 13:19:37,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 1874 transitions, 87512 flow, removed 90 selfloop flow, removed 4 redundant places. [2021-03-26 13:19:37,601 INFO L241 Difference]: Finished difference. Result has 632 places, 1750 transitions, 78458 flow [2021-03-26 13:19:37,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=71245, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=489, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1080, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=78458, PETRI_PLACES=632, PETRI_TRANSITIONS=1750} [2021-03-26 13:19:37,602 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 615 predicate places. [2021-03-26 13:19:37,602 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:19:37,602 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 1750 transitions, 78458 flow [2021-03-26 13:19:37,602 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 1750 transitions, 78458 flow [2021-03-26 13:19:37,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 626 places, 1750 transitions, 78458 flow [2021-03-26 13:19:39,475 INFO L129 PetriNetUnfolder]: 1578/3452 cut-off events. [2021-03-26 13:19:39,475 INFO L130 PetriNetUnfolder]: For 646905/647050 co-relation queries the response was YES. [2021-03-26 13:19:39,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83677 conditions, 3452 events. 1578/3452 cut-off events. For 646905/647050 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 28735 event pairs, 92 based on Foata normal form. 0/3452 useless extension candidates. Maximal degree in co-relation 83413. Up to 1778 conditions per place. [2021-03-26 13:19:39,631 INFO L142 LiptonReduction]: Number of co-enabled transitions 3538 [2021-03-26 13:19:41,429 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:19:41,430 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:19:41,430 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3828 [2021-03-26 13:19:41,430 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 1748 transitions, 78315 flow [2021-03-26 13:19:41,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 8.0) internal successors, (128), 16 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) [2021-03-26 13:19:41,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:19:41,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:19:41,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:19:41,644 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:19:41,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:19:41,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1903700181, now seen corresponding path program 1 times [2021-03-26 13:19:41,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:19:41,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539845566] [2021-03-26 13:19:41,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:19:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:41,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:41,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:41,664 INFO L142 QuantifierPusher]: treesize reduction 101, result has 36.9 percent of original size [2021-03-26 13:19:41,664 INFO L147 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size 40 [2021-03-26 13:19:41,717 INFO L142 QuantifierPusher]: treesize reduction 96, result has 52.2 percent of original size [2021-03-26 13:19:41,718 INFO L147 QuantifierPusher]: treesize reduction 32, result has 69.5 percent of original size 73 [2021-03-26 13:19:41,816 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:19:41,816 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:19:41,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:41,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:41,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539845566] [2021-03-26 13:19:41,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91631674] [2021-03-26 13:19:41,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:19:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:41,890 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 13:19:41,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:19:41,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,926 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:19:41,926 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:19:41,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:41,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:41,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:41,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:41,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:41,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:41,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:41,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:41,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:41,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:41,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:19:41,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:41,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:41,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:41,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:41,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:19:41,958 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:19:41,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:41,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:41,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:41,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:19:41,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:41,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:41,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:19:41,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:41,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:41,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:19:41,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:19:41,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2021-03-26 13:19:41,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:19:41,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:41,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 13:19:41,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:42,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:19:42,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:19:42,003 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:42 [2021-03-26 13:19:42,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:19:42,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:19:42,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:19:42,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:19:42,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:19:42,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:19:42,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:19:42,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:42,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:19:42,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:19:42,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:19:42,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:19:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:42,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2021-03-26 13:19:42,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:19:42,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:19:42,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:42,076 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:19:42,078 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:19:42,078 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:47 [2021-03-26 13:19:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:19:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:42,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:19:42,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:19:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:42,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:19:42,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:19:42,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907333655] [2021-03-26 13:19:42,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:19:42,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:19:42,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:19:42,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:19:42,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 208 [2021-03-26 13:19:42,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 1748 transitions, 78315 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:19:42,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:19:42,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 208 [2021-03-26 13:19:42,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:19:49,324 INFO L129 PetriNetUnfolder]: 1593/3468 cut-off events. [2021-03-26 13:19:49,324 INFO L130 PetriNetUnfolder]: For 658055/660072 co-relation queries the response was YES. [2021-03-26 13:19:49,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87610 conditions, 3468 events. 1593/3468 cut-off events. For 658055/660072 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 28643 event pairs, 72 based on Foata normal form. 18/3486 useless extension candidates. Maximal degree in co-relation 87344. Up to 3136 conditions per place. [2021-03-26 13:19:49,418 INFO L132 encePairwiseOnDemand]: 156/208 looper letters, 1437 selfloop transitions, 333 changer transitions 19/1792 dead transitions. [2021-03-26 13:19:49,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 1792 transitions, 84184 flow [2021-03-26 13:19:49,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:19:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:19:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 166 transitions. [2021-03-26 13:19:49,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06650641025641026 [2021-03-26 13:19:49,419 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 166 transitions. [2021-03-26 13:19:49,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 166 transitions. [2021-03-26 13:19:49,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:19:49,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 166 transitions. [2021-03-26 13:19:49,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.833333333333334) internal successors, (166), 12 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:49,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 208.0) internal successors, (2704), 13 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:49,421 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 208.0) internal successors, (2704), 13 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:19:49,421 INFO L185 Difference]: Start difference. First operand has 624 places, 1748 transitions, 78315 flow. Second operand 12 states and 166 transitions. [2021-03-26 13:19:49,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 1792 transitions, 84184 flow [2021-03-26 13:19:53,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 1792 transitions, 82289 flow, removed 792 selfloop flow, removed 9 redundant places. [2021-03-26 13:19:53,312 INFO L241 Difference]: Finished difference. Result has 632 places, 1760 transitions, 77727 flow [2021-03-26 13:19:53,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=76436, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=319, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=77727, PETRI_PLACES=632, PETRI_TRANSITIONS=1760} [2021-03-26 13:19:53,313 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 615 predicate places. [2021-03-26 13:19:53,313 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:19:53,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 1760 transitions, 77727 flow [2021-03-26 13:19:53,313 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 1760 transitions, 77727 flow [2021-03-26 13:19:53,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 1760 transitions, 77727 flow [2021-03-26 13:19:55,069 INFO L129 PetriNetUnfolder]: 1587/3449 cut-off events. [2021-03-26 13:19:55,070 INFO L130 PetriNetUnfolder]: For 633803/634049 co-relation queries the response was YES. [2021-03-26 13:19:55,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82651 conditions, 3449 events. 1587/3449 cut-off events. For 633803/634049 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 28539 event pairs, 89 based on Foata normal form. 0/3449 useless extension candidates. Maximal degree in co-relation 82384. Up to 1757 conditions per place. [2021-03-26 13:19:55,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 3558 [2021-03-26 13:19:56,804 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:19:56,804 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:19:56,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3491 [2021-03-26 13:19:56,804 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 1759 transitions, 77771 flow [2021-03-26 13:19:56,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:19:56,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:19:56,805 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:19:57,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-03-26 13:19:57,019 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:19:57,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:19:57,019 INFO L82 PathProgramCache]: Analyzing trace with hash 612570940, now seen corresponding path program 2 times [2021-03-26 13:19:57,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:19:57,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937868247] [2021-03-26 13:19:57,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:19:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:19:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:19:57,047 INFO L142 QuantifierPusher]: treesize reduction 38, result has 37.7 percent of original size [2021-03-26 13:19:57,048 INFO L147 QuantifierPusher]: treesize reduction 12, result has 47.8 percent of original size 11 [2021-03-26 13:19:57,068 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:19:57,069 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-03-26 13:19:57,109 INFO L142 QuantifierPusher]: treesize reduction 40, result has 32.2 percent of original size [2021-03-26 13:19:57,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:19:57,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:57,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937868247] [2021-03-26 13:19:57,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158248683] [2021-03-26 13:19:57,139 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 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 [2021-03-26 13:19:57,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 13:19:57,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 13:19:57,151 WARN L261 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-26 13:19:57,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:19:57,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,190 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:19:57,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:19:57,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:19:57,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:57,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:57,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:57,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:57,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:19:57,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:19:57,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:19:57,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:57,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:19:57,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:57,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:57,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:19:57,241 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:19:57,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:57,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:19:57,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:57,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:19:57,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:57,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:19:57,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:19:57,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:19:57,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:57,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:57,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:19:57,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 26 [2021-03-26 13:19:57,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:19:57,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:19:57,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:57,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:19:57,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:19:57,286 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:29 [2021-03-26 13:19:57,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:19:57,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:19:57,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:19:57,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:19:57,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:19:57,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:19:57,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:19:57,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:19:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 13:19:57,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-03-26 13:19:57,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:19:57,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:19:57,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:19:57,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:19:57,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:19:57,421 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2021-03-26 13:19:57,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:19:57,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:19:57,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:19:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:19:57,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:19:57,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-26 13:19:57,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356410741] [2021-03-26 13:19:57,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-26 13:19:57,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:19:57,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-26 13:19:57,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-03-26 13:19:57,448 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 210 [2021-03-26 13:19:57,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 1759 transitions, 77771 flow. Second operand has 16 states, 16 states have (on average 8.0) internal successors, (128), 16 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) [2021-03-26 13:19:57,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:19:57,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 210 [2021-03-26 13:19:57,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:20:04,616 INFO L129 PetriNetUnfolder]: 1694/3700 cut-off events. [2021-03-26 13:20:04,617 INFO L130 PetriNetUnfolder]: For 677042/677974 co-relation queries the response was YES. [2021-03-26 13:20:04,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91169 conditions, 3700 events. 1694/3700 cut-off events. For 677042/677974 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 30995 event pairs, 53 based on Foata normal form. 39/3739 useless extension candidates. Maximal degree in co-relation 90900. Up to 3038 conditions per place. [2021-03-26 13:20:04,874 INFO L132 encePairwiseOnDemand]: 176/210 looper letters, 1394 selfloop transitions, 487 changer transitions 5/1889 dead transitions. [2021-03-26 13:20:04,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 645 places, 1889 transitions, 87246 flow [2021-03-26 13:20:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 13:20:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 13:20:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 229 transitions. [2021-03-26 13:20:04,876 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.060582010582010584 [2021-03-26 13:20:04,876 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 229 transitions. [2021-03-26 13:20:04,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 229 transitions. [2021-03-26 13:20:04,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:20:04,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 229 transitions. [2021-03-26 13:20:04,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 12.722222222222221) internal successors, (229), 18 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:04,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 210.0) internal successors, (3990), 19 states have internal predecessors, (3990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:04,879 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 210.0) internal successors, (3990), 19 states have internal predecessors, (3990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:04,879 INFO L185 Difference]: Start difference. First operand has 628 places, 1759 transitions, 77771 flow. Second operand 18 states and 229 transitions. [2021-03-26 13:20:04,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 645 places, 1889 transitions, 87246 flow [2021-03-26 13:20:09,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 1889 transitions, 86448 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 13:20:09,849 INFO L241 Difference]: Finished difference. Result has 646 places, 1866 transitions, 83089 flow [2021-03-26 13:20:09,850 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=76925, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=380, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=83089, PETRI_PLACES=646, PETRI_TRANSITIONS=1866} [2021-03-26 13:20:09,850 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 629 predicate places. [2021-03-26 13:20:09,850 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:20:09,850 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 1866 transitions, 83089 flow [2021-03-26 13:20:09,852 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 1866 transitions, 83089 flow [2021-03-26 13:20:09,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 646 places, 1866 transitions, 83089 flow [2021-03-26 13:20:13,045 INFO L129 PetriNetUnfolder]: 1694/3700 cut-off events. [2021-03-26 13:20:13,045 INFO L130 PetriNetUnfolder]: For 695418/695875 co-relation queries the response was YES. [2021-03-26 13:20:13,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88975 conditions, 3700 events. 1694/3700 cut-off events. For 695418/695875 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 31158 event pairs, 96 based on Foata normal form. 1/3701 useless extension candidates. Maximal degree in co-relation 88700. Up to 1913 conditions per place. [2021-03-26 13:20:13,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 3770 [2021-03-26 13:20:16,291 INFO L154 LiptonReduction]: Checked pairs total: 16 [2021-03-26 13:20:16,292 INFO L156 LiptonReduction]: Total number of compositions: 16 [2021-03-26 13:20:16,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6442 [2021-03-26 13:20:16,292 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 1854 transitions, 82497 flow [2021-03-26 13:20:16,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 8.0) internal successors, (128), 16 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) [2021-03-26 13:20:16,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:20:16,292 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:20:16,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:20:16,505 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:20:16,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:20:16,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1531521218, now seen corresponding path program 1 times [2021-03-26 13:20:16,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:20:16,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662535888] [2021-03-26 13:20:16,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:20:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:20:16,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:16,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:16,521 INFO L142 QuantifierPusher]: treesize reduction 155, result has 3.1 percent of original size [2021-03-26 13:20:16,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:16,528 INFO L142 QuantifierPusher]: treesize reduction 156, result has 22.4 percent of original size [2021-03-26 13:20:16,528 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-03-26 13:20:16,558 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:20:16,559 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:20:16,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:20:16,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662535888] [2021-03-26 13:20:16,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688437937] [2021-03-26 13:20:16,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:20:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:20:16,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:20:16,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:20:16,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:20:16,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:16,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:20:16,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:16,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:20:16,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:16,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:20:16,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:16,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:16,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:20:16,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:16,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:20:16,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:16,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:20:16,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:16,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:20:16,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:16,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:16,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:20:16,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:16,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:20:16,677 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:20:16,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:16,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:16,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:20:16,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:20:16,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:20:16,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:20:16,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:20:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:20:16,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 13:20:16,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:20:16,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:20:16,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:20:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 49 [2021-03-26 13:20:16,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:20:16,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:20:16,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:20:16,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:16,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:20:16,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:20:16,766 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:57 [2021-03-26 13:20:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:20:16,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:20:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:20:16,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:20:16,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:20:16,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:20:16,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:16,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:20:16,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:20:16,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:20:16,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:16,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:20:16,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:20:16,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:20:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:16,912 INFO L354 Elim1Store]: treesize reduction 114, result has 26.5 percent of original size [2021-03-26 13:20:16,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 72 [2021-03-26 13:20:16,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:20:16,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:20:16,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:20:16,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:16,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:16,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:16,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:20:16,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:20:16,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:20:16,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:20:16,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:63, output treesize:62 [2021-03-26 13:20:16,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:16,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:16,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:16,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:20:16,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:20:16,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:20:16,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:16,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:16,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 13:20:16,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:20:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:20:16,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:20:16,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:20:16,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105281321] [2021-03-26 13:20:16,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:20:16,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:20:16,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:20:16,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:20:16,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 216 [2021-03-26 13:20:16,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 1854 transitions, 82497 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:20:16,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:20:16,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 216 [2021-03-26 13:20:16,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:20:23,498 INFO L129 PetriNetUnfolder]: 1704/3722 cut-off events. [2021-03-26 13:20:23,498 INFO L130 PetriNetUnfolder]: For 698556/707252 co-relation queries the response was YES. [2021-03-26 13:20:23,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93115 conditions, 3722 events. 1704/3722 cut-off events. For 698556/707252 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 31144 event pairs, 81 based on Foata normal form. 29/3750 useless extension candidates. Maximal degree in co-relation 92838. Up to 3418 conditions per place. [2021-03-26 13:20:23,601 INFO L132 encePairwiseOnDemand]: 182/216 looper letters, 1588 selfloop transitions, 282 changer transitions 1/1874 dead transitions. [2021-03-26 13:20:23,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 1874 transitions, 87021 flow [2021-03-26 13:20:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 13:20:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 13:20:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 179 transitions. [2021-03-26 13:20:23,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06374643874643875 [2021-03-26 13:20:23,603 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 179 transitions. [2021-03-26 13:20:23,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 179 transitions. [2021-03-26 13:20:23,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:20:23,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 179 transitions. [2021-03-26 13:20:23,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 13 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:23,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 216.0) internal successors, (3024), 14 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:23,605 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 216.0) internal successors, (3024), 14 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:23,605 INFO L185 Difference]: Start difference. First operand has 644 places, 1854 transitions, 82497 flow. Second operand 13 states and 179 transitions. [2021-03-26 13:20:23,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 1874 transitions, 87021 flow [2021-03-26 13:20:27,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 1874 transitions, 86601 flow, removed 193 selfloop flow, removed 6 redundant places. [2021-03-26 13:20:27,792 INFO L241 Difference]: Finished difference. Result has 654 places, 1862 transitions, 83060 flow [2021-03-26 13:20:27,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=81699, PETRI_DIFFERENCE_MINUEND_PLACES=638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1846, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=83060, PETRI_PLACES=654, PETRI_TRANSITIONS=1862} [2021-03-26 13:20:27,793 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 637 predicate places. [2021-03-26 13:20:27,793 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:20:27,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 1862 transitions, 83060 flow [2021-03-26 13:20:27,794 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 1862 transitions, 83060 flow [2021-03-26 13:20:27,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 653 places, 1862 transitions, 83060 flow [2021-03-26 13:20:29,754 INFO L129 PetriNetUnfolder]: 1704/3721 cut-off events. [2021-03-26 13:20:29,755 INFO L130 PetriNetUnfolder]: For 704273/704591 co-relation queries the response was YES. [2021-03-26 13:20:29,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89343 conditions, 3721 events. 1704/3721 cut-off events. For 704273/704591 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 31359 event pairs, 98 based on Foata normal form. 0/3721 useless extension candidates. Maximal degree in co-relation 89066. Up to 1930 conditions per place. [2021-03-26 13:20:29,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 3762 [2021-03-26 13:20:32,718 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:20:32,718 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:20:32,718 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4925 [2021-03-26 13:20:32,718 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 1859 transitions, 82922 flow [2021-03-26 13:20:32,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:20:32,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:20:32,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:20:32,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:20:32,933 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:20:32,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:20:32,933 INFO L82 PathProgramCache]: Analyzing trace with hash -153480941, now seen corresponding path program 1 times [2021-03-26 13:20:32,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:20:32,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783344389] [2021-03-26 13:20:32,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:20:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:20:32,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:32,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:32,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:32,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:32,952 INFO L142 QuantifierPusher]: treesize reduction 92, result has 45.2 percent of original size [2021-03-26 13:20:32,953 INFO L147 QuantifierPusher]: treesize reduction 20, result has 73.7 percent of original size 56 [2021-03-26 13:20:33,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:20:33,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783344389] [2021-03-26 13:20:33,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026671527] [2021-03-26 13:20:33,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:20:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:20:33,039 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 13:20:33,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:20:33,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:33,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:20:33,078 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-26 13:20:33,079 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 13:20:33,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:20:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:20:33,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:20:33,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:20:33,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 27 [2021-03-26 13:20:33,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:20:33,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:20:33,092 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:20:33,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:20:33,105 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:20:33,105 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:33 [2021-03-26 13:20:33,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:20:33,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:20:33,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:20:33,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:20:33,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:20:33,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:20:33,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:20:33,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:20:33,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:20:33,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:20:33,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:20:33,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:20:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:20:33,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 45 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 71 [2021-03-26 13:20:33,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:20:33,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:20:33,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:20:33,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:33,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:20:33,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:20:33,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:65 [2021-03-26 13:20:33,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:33,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:20:33,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:33,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:33,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:33,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:20:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:20:33,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:20:33,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:20:33,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707125477] [2021-03-26 13:20:33,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:20:33,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:20:33,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:20:33,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:20:33,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 218 [2021-03-26 13:20:33,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 1859 transitions, 82922 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:20:33,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:20:33,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 218 [2021-03-26 13:20:33,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:20:41,933 INFO L129 PetriNetUnfolder]: 1703/3720 cut-off events. [2021-03-26 13:20:41,933 INFO L130 PetriNetUnfolder]: For 709927/714951 co-relation queries the response was YES. [2021-03-26 13:20:42,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93081 conditions, 3720 events. 1703/3720 cut-off events. For 709927/714951 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 31174 event pairs, 80 based on Foata normal form. 55/3775 useless extension candidates. Maximal degree in co-relation 92802. Up to 3464 conditions per place. [2021-03-26 13:20:42,061 INFO L132 encePairwiseOnDemand]: 183/218 looper letters, 1594 selfloop transitions, 261 changer transitions 4/1862 dead transitions. [2021-03-26 13:20:42,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 1862 transitions, 86837 flow [2021-03-26 13:20:42,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:20:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:20:42,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 139 transitions. [2021-03-26 13:20:42,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07084607543323139 [2021-03-26 13:20:42,063 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 139 transitions. [2021-03-26 13:20:42,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 139 transitions. [2021-03-26 13:20:42,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:20:42,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 139 transitions. [2021-03-26 13:20:42,066 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) [2021-03-26 13:20:42,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 218.0) internal successors, (2180), 10 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:42,067 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 218.0) internal successors, (2180), 10 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:42,067 INFO L185 Difference]: Start difference. First operand has 650 places, 1859 transitions, 82922 flow. Second operand 9 states and 139 transitions. [2021-03-26 13:20:42,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 1862 transitions, 86837 flow [2021-03-26 13:20:45,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 1862 transitions, 85908 flow, removed 66 selfloop flow, removed 13 redundant places. [2021-03-26 13:20:46,047 INFO L241 Difference]: Finished difference. Result has 646 places, 1857 transitions, 82366 flow [2021-03-26 13:20:46,048 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=82003, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=82366, PETRI_PLACES=646, PETRI_TRANSITIONS=1857} [2021-03-26 13:20:46,049 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 629 predicate places. [2021-03-26 13:20:46,049 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:20:46,049 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 1857 transitions, 82366 flow [2021-03-26 13:20:46,049 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 1857 transitions, 82366 flow [2021-03-26 13:20:46,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 1857 transitions, 82366 flow [2021-03-26 13:20:48,211 INFO L129 PetriNetUnfolder]: 1702/3716 cut-off events. [2021-03-26 13:20:48,212 INFO L130 PetriNetUnfolder]: For 669386/669701 co-relation queries the response was YES. [2021-03-26 13:20:48,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87680 conditions, 3716 events. 1702/3716 cut-off events. For 669386/669701 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 31333 event pairs, 99 based on Foata normal form. 0/3715 useless extension candidates. Maximal degree in co-relation 87408. Up to 1928 conditions per place. [2021-03-26 13:20:48,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 3752 [2021-03-26 13:20:49,205 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:20:49,205 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:20:49,205 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3156 [2021-03-26 13:20:49,205 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 1857 transitions, 82366 flow [2021-03-26 13:20:49,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:20:49,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:20:49,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:20:49,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable121 [2021-03-26 13:20:49,420 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:20:49,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:20:49,420 INFO L82 PathProgramCache]: Analyzing trace with hash -465045617, now seen corresponding path program 1 times [2021-03-26 13:20:49,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:20:49,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092100320] [2021-03-26 13:20:49,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:20:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:20:49,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:49,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:20:49,442 INFO L142 QuantifierPusher]: treesize reduction 136, result has 35.5 percent of original size [2021-03-26 13:20:49,443 INFO L147 QuantifierPusher]: treesize reduction 28, result has 62.7 percent of original size 47 [2021-03-26 13:20:49,517 INFO L142 QuantifierPusher]: treesize reduction 140, result has 46.6 percent of original size [2021-03-26 13:20:49,517 INFO L147 QuantifierPusher]: treesize reduction 32, result has 73.8 percent of original size 90 [2021-03-26 13:20:49,632 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-03-26 13:20:49,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:20:49,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092100320] [2021-03-26 13:20:49,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195427107] [2021-03-26 13:20:49,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:20:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:20:49,654 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:20:49,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:20:49,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,676 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:20:49,676 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:20:49,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:20:49,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:49,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:20:49,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:49,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:49,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:20:49,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:49,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:49,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:20:49,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:20:49,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:20:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:20:49,716 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:20:49,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:49,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:20:49,723 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:20:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:20:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:20:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:20:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:49,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:20:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:20:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:20:49,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:20:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 13:20:49,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 49 [2021-03-26 13:20:49,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:20:49,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:20:49,758 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:20:49,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:49,782 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:20:49,782 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:49 [2021-03-26 13:20:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:20:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:20:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:20:49,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:20:49,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:20:49,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627723958] [2021-03-26 13:20:49,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:20:49,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:20:49,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:20:49,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:20:49,821 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 218 [2021-03-26 13:20:49,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 1857 transitions, 82366 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:20:49,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:20:49,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 218 [2021-03-26 13:20:49,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:20:57,874 INFO L129 PetriNetUnfolder]: 1712/3739 cut-off events. [2021-03-26 13:20:57,874 INFO L130 PetriNetUnfolder]: For 682531/685674 co-relation queries the response was YES. [2021-03-26 13:20:57,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92051 conditions, 3739 events. 1712/3739 cut-off events. For 682531/685674 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 31431 event pairs, 81 based on Foata normal form. 30/3768 useless extension candidates. Maximal degree in co-relation 91777. Up to 3455 conditions per place. [2021-03-26 13:20:57,991 INFO L132 encePairwiseOnDemand]: 161/218 looper letters, 1553 selfloop transitions, 324 changer transitions 1/1881 dead transitions. [2021-03-26 13:20:57,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 1881 transitions, 87406 flow [2021-03-26 13:20:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:20:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:20:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 171 transitions. [2021-03-26 13:20:57,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06536697247706422 [2021-03-26 13:20:57,993 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 171 transitions. [2021-03-26 13:20:57,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 171 transitions. [2021-03-26 13:20:57,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:20:57,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 171 transitions. [2021-03-26 13:20:57,993 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) [2021-03-26 13:20:57,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 218.0) internal successors, (2834), 13 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:57,994 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 218.0) internal successors, (2834), 13 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:20:57,994 INFO L185 Difference]: Start difference. First operand has 643 places, 1857 transitions, 82366 flow. Second operand 12 states and 171 transitions. [2021-03-26 13:20:57,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 1881 transitions, 87406 flow [2021-03-26 13:21:02,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 1881 transitions, 86882 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 13:21:02,630 INFO L241 Difference]: Finished difference. Result has 654 places, 1879 transitions, 84030 flow [2021-03-26 13:21:02,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=81854, PETRI_DIFFERENCE_MINUEND_PLACES=638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1857, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=84030, PETRI_PLACES=654, PETRI_TRANSITIONS=1879} [2021-03-26 13:21:02,632 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 637 predicate places. [2021-03-26 13:21:02,632 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:21:02,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 1879 transitions, 84030 flow [2021-03-26 13:21:02,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 1879 transitions, 84030 flow [2021-03-26 13:21:02,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 1879 transitions, 84030 flow [2021-03-26 13:21:05,512 INFO L129 PetriNetUnfolder]: 1712/3738 cut-off events. [2021-03-26 13:21:05,512 INFO L130 PetriNetUnfolder]: For 690244/690813 co-relation queries the response was YES. [2021-03-26 13:21:05,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89064 conditions, 3738 events. 1712/3738 cut-off events. For 690244/690813 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 31539 event pairs, 97 based on Foata normal form. 0/3738 useless extension candidates. Maximal degree in co-relation 88788. Up to 1934 conditions per place. [2021-03-26 13:21:05,662 INFO L142 LiptonReduction]: Number of co-enabled transitions 3796 [2021-03-26 13:21:06,175 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-03-26 13:21:07,275 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-26 13:21:07,440 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-26 13:21:07,676 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-26 13:21:11,592 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 13:21:11,592 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 13:21:11,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8960 [2021-03-26 13:21:11,593 INFO L480 AbstractCegarLoop]: Abstraction has has 653 places, 1875 transitions, 84016 flow [2021-03-26 13:21:11,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:21:11,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:21:11,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:21:11,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-03-26 13:21:11,804 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:21:11,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:21:11,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1361157984, now seen corresponding path program 1 times [2021-03-26 13:21:11,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:21:11,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826685402] [2021-03-26 13:21:11,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:21:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:21:11,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:11,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:11,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:11,851 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:21:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:21:11,859 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:21:11,860 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:21:11,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:21:11,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826685402] [2021-03-26 13:21:11,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028675163] [2021-03-26 13:21:11,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:21:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:21:11,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:21:11,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:21:11,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:11,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:11,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:11,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:11,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:11,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:11,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:11,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:11,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:11,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:11,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:12,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:12,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:12,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:12,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:12,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:12,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:21:12,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:12,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:21:12,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:12,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:21:12,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:12,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:21:12,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:12,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:12,075 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:21:12,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:21:12,089 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:21:12,089 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:21:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:21:12,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:21:12,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:21:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:21:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:21:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:21:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:21:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:21:12,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:21:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:21:12,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:21:12,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:21:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:12,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:21:12,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:21:12,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:21:12,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:21:12,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:21:12,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:21:12,145 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:21:12,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:12,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:21:12,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:12,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:12,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:12,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:21:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:21:12,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:21:12,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:21:12,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106687541] [2021-03-26 13:21:12,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:21:12,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:21:12,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:21:12,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:21:12,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-26 13:21:12,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 1875 transitions, 84016 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:21:12,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:21:12,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-26 13:21:12,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:21:23,308 INFO L129 PetriNetUnfolder]: 1767/3866 cut-off events. [2021-03-26 13:21:23,308 INFO L130 PetriNetUnfolder]: For 729377/735399 co-relation queries the response was YES. [2021-03-26 13:21:23,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96112 conditions, 3866 events. 1767/3866 cut-off events. For 729377/735399 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 32685 event pairs, 84 based on Foata normal form. 55/3919 useless extension candidates. Maximal degree in co-relation 95834. Up to 3376 conditions per place. [2021-03-26 13:21:23,430 INFO L132 encePairwiseOnDemand]: 188/225 looper letters, 1605 selfloop transitions, 337 changer transitions 32/1977 dead transitions. [2021-03-26 13:21:23,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 1977 transitions, 92203 flow [2021-03-26 13:21:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:21:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:21:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 196 transitions. [2021-03-26 13:21:23,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06222222222222222 [2021-03-26 13:21:23,433 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 196 transitions. [2021-03-26 13:21:23,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 196 transitions. [2021-03-26 13:21:23,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:21:23,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 196 transitions. [2021-03-26 13:21:23,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 14.0) internal successors, (196), 14 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:23,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 225.0) internal successors, (3375), 15 states have internal predecessors, (3375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:23,435 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 225.0) internal successors, (3375), 15 states have internal predecessors, (3375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:23,435 INFO L185 Difference]: Start difference. First operand has 653 places, 1875 transitions, 84016 flow. Second operand 14 states and 196 transitions. [2021-03-26 13:21:23,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 1977 transitions, 92203 flow [2021-03-26 13:21:28,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 1977 transitions, 91998 flow, removed 87 selfloop flow, removed 3 redundant places. [2021-03-26 13:21:28,563 INFO L241 Difference]: Finished difference. Result has 666 places, 1915 transitions, 86007 flow [2021-03-26 13:21:28,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=83700, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=86007, PETRI_PLACES=666, PETRI_TRANSITIONS=1915} [2021-03-26 13:21:28,564 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 649 predicate places. [2021-03-26 13:21:28,564 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:21:28,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 1915 transitions, 86007 flow [2021-03-26 13:21:28,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 1915 transitions, 86007 flow [2021-03-26 13:21:28,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 662 places, 1915 transitions, 86007 flow [2021-03-26 13:21:31,507 INFO L129 PetriNetUnfolder]: 1743/3804 cut-off events. [2021-03-26 13:21:31,507 INFO L130 PetriNetUnfolder]: For 722053/722320 co-relation queries the response was YES. [2021-03-26 13:21:31,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91600 conditions, 3804 events. 1743/3804 cut-off events. For 722053/722320 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 32184 event pairs, 99 based on Foata normal form. 0/3802 useless extension candidates. Maximal degree in co-relation 91320. Up to 1998 conditions per place. [2021-03-26 13:21:31,669 INFO L142 LiptonReduction]: Number of co-enabled transitions 3868 [2021-03-26 13:21:34,364 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:21:34,364 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:21:34,364 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5800 [2021-03-26 13:21:34,365 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 1914 transitions, 85924 flow [2021-03-26 13:21:34,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:21:34,365 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:21:34,365 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:21:34,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:21:34,582 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:21:34,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:21:34,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1667502579, now seen corresponding path program 1 times [2021-03-26 13:21:34,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:21:34,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064838402] [2021-03-26 13:21:34,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:21:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:21:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:21:34,608 INFO L142 QuantifierPusher]: treesize reduction 158, result has 41.9 percent of original size [2021-03-26 13:21:34,609 INFO L147 QuantifierPusher]: treesize reduction 25, result has 78.1 percent of original size 89 [2021-03-26 13:21:34,816 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2021-03-26 13:21:34,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:34,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:34,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:21:34,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064838402] [2021-03-26 13:21:34,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:21:34,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:21:34,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053062573] [2021-03-26 13:21:34,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:21:34,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:21:34,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:21:34,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:21:34,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-26 13:21:34,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 1914 transitions, 85924 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:34,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:21:34,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-26 13:21:34,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:21:43,189 INFO L129 PetriNetUnfolder]: 1742/3796 cut-off events. [2021-03-26 13:21:43,189 INFO L130 PetriNetUnfolder]: For 717182/718137 co-relation queries the response was YES. [2021-03-26 13:21:43,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95192 conditions, 3796 events. 1742/3796 cut-off events. For 717182/718137 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 31932 event pairs, 78 based on Foata normal form. 26/3820 useless extension candidates. Maximal degree in co-relation 94910. Up to 3542 conditions per place. [2021-03-26 13:21:43,299 INFO L132 encePairwiseOnDemand]: 192/225 looper letters, 1652 selfloop transitions, 258 changer transitions 4/1917 dead transitions. [2021-03-26 13:21:43,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 1917 transitions, 89951 flow [2021-03-26 13:21:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:21:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:21:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 108 transitions. [2021-03-26 13:21:43,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.096 [2021-03-26 13:21:43,300 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 108 transitions. [2021-03-26 13:21:43,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 108 transitions. [2021-03-26 13:21:43,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:21:43,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 108 transitions. [2021-03-26 13:21:43,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:43,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:43,301 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:43,301 INFO L185 Difference]: Start difference. First operand has 661 places, 1914 transitions, 85924 flow. Second operand 5 states and 108 transitions. [2021-03-26 13:21:43,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 1917 transitions, 89951 flow [2021-03-26 13:21:47,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 1917 transitions, 89499 flow, removed 94 selfloop flow, removed 7 redundant places. [2021-03-26 13:21:47,748 INFO L241 Difference]: Finished difference. Result has 659 places, 1912 transitions, 85847 flow [2021-03-26 13:21:47,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=85477, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=258, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=85847, PETRI_PLACES=659, PETRI_TRANSITIONS=1912} [2021-03-26 13:21:47,749 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 642 predicate places. [2021-03-26 13:21:47,749 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:21:47,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 659 places, 1912 transitions, 85847 flow [2021-03-26 13:21:47,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 659 places, 1912 transitions, 85847 flow [2021-03-26 13:21:47,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 1912 transitions, 85847 flow [2021-03-26 13:21:50,476 INFO L129 PetriNetUnfolder]: 1741/3792 cut-off events. [2021-03-26 13:21:50,477 INFO L130 PetriNetUnfolder]: For 713324/713657 co-relation queries the response was YES. [2021-03-26 13:21:50,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90854 conditions, 3792 events. 1741/3792 cut-off events. For 713324/713657 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 31986 event pairs, 98 based on Foata normal form. 0/3790 useless extension candidates. Maximal degree in co-relation 90575. Up to 1997 conditions per place. [2021-03-26 13:21:50,622 INFO L142 LiptonReduction]: Number of co-enabled transitions 3862 [2021-03-26 13:21:51,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:21:51,595 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:21:51,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3846 [2021-03-26 13:21:51,595 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 1912 transitions, 85847 flow [2021-03-26 13:21:51,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:51,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:21:51,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:21:51,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-26 13:21:51,595 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:21:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:21:51,595 INFO L82 PathProgramCache]: Analyzing trace with hash -450725012, now seen corresponding path program 1 times [2021-03-26 13:21:51,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:21:51,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684086735] [2021-03-26 13:21:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:21:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:21:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:21:51,616 INFO L142 QuantifierPusher]: treesize reduction 146, result has 34.8 percent of original size [2021-03-26 13:21:51,617 INFO L147 QuantifierPusher]: treesize reduction 26, result has 66.7 percent of original size 52 [2021-03-26 13:21:51,737 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2021-03-26 13:21:51,739 INFO L142 QuantifierPusher]: treesize reduction 138, result has 48.5 percent of original size [2021-03-26 13:21:51,741 INFO L147 QuantifierPusher]: treesize reduction 35, result has 73.1 percent of original size 95 [2021-03-26 13:21:51,915 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2021-03-26 13:21:51,916 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:21:51,917 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:21:51,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:21:51,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684086735] [2021-03-26 13:21:51,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255712167] [2021-03-26 13:21:51,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 13:21:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:21:51,959 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:21:51,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:21:51,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:21:51,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:51,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:21:51,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:51,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:51,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:21:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:51,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:51,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:21:51,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:21:51,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:21:51,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:51,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:51,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:21:52,000 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:21:52,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:21:52,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:21:52,006 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:21:52,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:21:52,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:21:52,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:21:52,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:21:52,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:21:52,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:21:52,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:21:52,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:21:52,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 49 [2021-03-26 13:21:52,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:21:52,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:21:52,031 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:21:52,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:21:52,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:21:52,051 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:52 [2021-03-26 13:21:52,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:21:52,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:21:52,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:21:52,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:21:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:21:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:21:52,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:21:52,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:21:52,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 13:21:52,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:21:52,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:21:52,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:21:52,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:21:52,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2021-03-26 13:21:52,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:21:52,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:21:52,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:21:52,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:52,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:21:52,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:21:52,144 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:57 [2021-03-26 13:21:52,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:52,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:21:52,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:21:52,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:21:52,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:21:52,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:21:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:21:52,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:21:52,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:21:52,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012381890] [2021-03-26 13:21:52,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:21:52,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:21:52,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:21:52,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:21:52,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-26 13:21:52,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 1912 transitions, 85847 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:21:52,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:21:52,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-26 13:21:52,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:21:59,050 INFO L129 PetriNetUnfolder]: 1752/3819 cut-off events. [2021-03-26 13:21:59,050 INFO L130 PetriNetUnfolder]: For 733946/740711 co-relation queries the response was YES. [2021-03-26 13:21:59,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95602 conditions, 3819 events. 1752/3819 cut-off events. For 733946/740711 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 32072 event pairs, 85 based on Foata normal form. 33/3850 useless extension candidates. Maximal degree in co-relation 95321. Up to 3477 conditions per place. [2021-03-26 13:21:59,177 INFO L132 encePairwiseOnDemand]: 170/225 looper letters, 1586 selfloop transitions, 334 changer transitions 20/1943 dead transitions. [2021-03-26 13:21:59,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 1943 transitions, 91628 flow [2021-03-26 13:21:59,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 13:21:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 13:21:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 153 transitions. [2021-03-26 13:21:59,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.068 [2021-03-26 13:21:59,179 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 153 transitions. [2021-03-26 13:21:59,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 153 transitions. [2021-03-26 13:21:59,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:21:59,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 153 transitions. [2021-03-26 13:21:59,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:59,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 225.0) internal successors, (2475), 11 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:59,180 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 225.0) internal successors, (2475), 11 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:21:59,180 INFO L185 Difference]: Start difference. First operand has 657 places, 1912 transitions, 85847 flow. Second operand 10 states and 153 transitions. [2021-03-26 13:21:59,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 1943 transitions, 91628 flow [2021-03-26 13:22:03,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 1943 transitions, 91096 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 13:22:03,592 INFO L241 Difference]: Finished difference. Result has 666 places, 1913 transitions, 86113 flow [2021-03-26 13:22:03,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=85329, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1912, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=326, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=86113, PETRI_PLACES=666, PETRI_TRANSITIONS=1913} [2021-03-26 13:22:03,608 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 649 predicate places. [2021-03-26 13:22:03,608 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:22:03,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 1913 transitions, 86113 flow [2021-03-26 13:22:03,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 1913 transitions, 86113 flow [2021-03-26 13:22:03,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 1913 transitions, 86113 flow [2021-03-26 13:22:05,770 INFO L129 PetriNetUnfolder]: 1745/3797 cut-off events. [2021-03-26 13:22:05,771 INFO L130 PetriNetUnfolder]: For 719516/719589 co-relation queries the response was YES. [2021-03-26 13:22:05,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91422 conditions, 3797 events. 1745/3797 cut-off events. For 719516/719589 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 32057 event pairs, 98 based on Foata normal form. 0/3796 useless extension candidates. Maximal degree in co-relation 91140. Up to 2004 conditions per place. [2021-03-26 13:22:05,921 INFO L142 LiptonReduction]: Number of co-enabled transitions 3864 [2021-03-26 13:22:06,839 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:22:06,840 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:22:06,840 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3232 [2021-03-26 13:22:06,840 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 1913 transitions, 86113 flow [2021-03-26 13:22:06,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:22:06,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:22:06,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:22:07,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-03-26 13:22:07,054 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:22:07,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:22:07,055 INFO L82 PathProgramCache]: Analyzing trace with hash -450269281, now seen corresponding path program 1 times [2021-03-26 13:22:07,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:22:07,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295702866] [2021-03-26 13:22:07,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:22:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:22:07,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:07,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:07,081 INFO L142 QuantifierPusher]: treesize reduction 150, result has 28.9 percent of original size [2021-03-26 13:22:07,081 INFO L147 QuantifierPusher]: treesize reduction 14, result has 77.0 percent of original size 47 [2021-03-26 13:22:07,137 INFO L142 QuantifierPusher]: treesize reduction 152, result has 42.0 percent of original size [2021-03-26 13:22:07,137 INFO L147 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size 90 [2021-03-26 13:22:07,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:22:07,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295702866] [2021-03-26 13:22:07,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643976010] [2021-03-26 13:22:07,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:22:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:22:07,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:22:07,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:22:07,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:07,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:07,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:07,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:07,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:07,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:07,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:07,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:07,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:07,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:07,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:07,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:07,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:07,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:07,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:07,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:22:07,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:07,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:07,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:22:07,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:07,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:22:07,327 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:22:07,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:07,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:07,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:22:07,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:22:07,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:22:07,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:22:07,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:22:07,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 13:22:07,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:22:07,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:22:07,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:22:07,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:22:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:07,501 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-03-26 13:22:07,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 63 [2021-03-26 13:22:07,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:22:07,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:22:07,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:22:07,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:22:07,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:22:07,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:22:07,528 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:66 [2021-03-26 13:22:07,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:22:07,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:22:07,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:07,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:07,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:22:07,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:22:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:22:07,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:22:07,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:22:07,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673735524] [2021-03-26 13:22:07,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:22:07,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:22:07,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:22:07,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:22:07,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-26 13:22:07,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 1913 transitions, 86113 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:07,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:22:07,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-26 13:22:07,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:22:12,962 INFO L129 PetriNetUnfolder]: 1746/3799 cut-off events. [2021-03-26 13:22:12,962 INFO L130 PetriNetUnfolder]: For 735248/736904 co-relation queries the response was YES. [2021-03-26 13:22:13,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95294 conditions, 3799 events. 1746/3799 cut-off events. For 735248/736904 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 31910 event pairs, 108 based on Foata normal form. 17/3815 useless extension candidates. Maximal degree in co-relation 95010. Up to 3785 conditions per place. [2021-03-26 13:22:13,069 INFO L132 encePairwiseOnDemand]: 196/225 looper letters, 1876 selfloop transitions, 37 changer transitions 0/1916 dead transitions. [2021-03-26 13:22:13,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 1916 transitions, 90137 flow [2021-03-26 13:22:13,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:22:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:22:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 123 transitions. [2021-03-26 13:22:13,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07809523809523809 [2021-03-26 13:22:13,072 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 123 transitions. [2021-03-26 13:22:13,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 123 transitions. [2021-03-26 13:22:13,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:22:13,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 123 transitions. [2021-03-26 13:22:13,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:13,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 225.0) internal successors, (1800), 8 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:13,073 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 225.0) internal successors, (1800), 8 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:13,073 INFO L185 Difference]: Start difference. First operand has 661 places, 1913 transitions, 86113 flow. Second operand 7 states and 123 transitions. [2021-03-26 13:22:13,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 1916 transitions, 90137 flow [2021-03-26 13:22:17,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 1916 transitions, 89360 flow, removed 36 selfloop flow, removed 6 redundant places. [2021-03-26 13:22:17,518 INFO L241 Difference]: Finished difference. Result has 662 places, 1915 transitions, 85595 flow [2021-03-26 13:22:17,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=85336, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1913, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1876, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=85595, PETRI_PLACES=662, PETRI_TRANSITIONS=1915} [2021-03-26 13:22:17,519 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 645 predicate places. [2021-03-26 13:22:17,519 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:22:17,520 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 662 places, 1915 transitions, 85595 flow [2021-03-26 13:22:17,521 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 662 places, 1915 transitions, 85595 flow [2021-03-26 13:22:17,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 662 places, 1915 transitions, 85595 flow [2021-03-26 13:22:19,641 INFO L129 PetriNetUnfolder]: 1746/3799 cut-off events. [2021-03-26 13:22:19,641 INFO L130 PetriNetUnfolder]: For 722897/723248 co-relation queries the response was YES. [2021-03-26 13:22:19,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91023 conditions, 3799 events. 1746/3799 cut-off events. For 722897/723248 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 32064 event pairs, 97 based on Foata normal form. 0/3798 useless extension candidates. Maximal degree in co-relation 90742. Up to 1996 conditions per place. [2021-03-26 13:22:19,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 3868 [2021-03-26 13:22:21,849 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:22:21,849 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:22:21,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4331 [2021-03-26 13:22:21,853 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 1914 transitions, 85512 flow [2021-03-26 13:22:21,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:21,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:22:21,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:22:22,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,101 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:22:22,069 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:22:22,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:22:22,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1073445657, now seen corresponding path program 1 times [2021-03-26 13:22:22,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:22:22,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991996867] [2021-03-26 13:22:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:22:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:22:22,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:22,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:22,099 INFO L142 QuantifierPusher]: treesize reduction 211, result has 2.3 percent of original size [2021-03-26 13:22:22,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:22,107 INFO L142 QuantifierPusher]: treesize reduction 212, result has 20.6 percent of original size [2021-03-26 13:22:22,108 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size 49 [2021-03-26 13:22:22,145 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:22:22,145 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:22:22,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:22,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:22:22,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991996867] [2021-03-26 13:22:22,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773039011] [2021-03-26 13:22:22,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:22:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:22:22,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:22:22,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:22:22,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:22,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:22,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:22,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:22,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:22,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:22,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:22,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:22,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:22,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:22,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:22,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:22,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:22,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:22,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:22:22,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:22,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:22,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:22:22,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:22,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:22:22,363 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:22:22,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:22,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:22,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:22:22,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:22:22,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:22:22,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:22:22,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:22:22,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 13:22:22,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 13:22:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:22:22,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:22:22,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:22:22,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 63 [2021-03-26 13:22:22,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:22:22,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:22:22,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:22:22,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:22:22,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:22:22,458 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:22:22,458 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:71 [2021-03-26 13:22:22,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:22:22,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:22:22,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:22:22,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:22:22,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:22:22,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:22:22,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:22:22,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:22:22,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:22,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:22:22,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:22:22,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:22:22,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:22:22,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:22:22,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:22:22,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:22:22,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:22,638 INFO L354 Elim1Store]: treesize reduction 154, result has 26.3 percent of original size [2021-03-26 13:22:22,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 66 treesize of output 92 [2021-03-26 13:22:22,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:22:22,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:22:22,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:22:22,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:22:22,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:22,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:22:22,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:22:22,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:22:22,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-26 13:22:22,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 13:22:22,672 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:76 [2021-03-26 13:22:22,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:22:22,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:22,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:22:22,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:22:22,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:22:22,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-26 13:22:22,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:22,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:22,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 13:22:22,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-26 13:22:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:22:22,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:22:22,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:22:22,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679833172] [2021-03-26 13:22:22,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:22:22,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:22:22,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:22:22,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:22:22,711 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-26 13:22:22,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 1914 transitions, 85512 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:22:22,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:22:22,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-26 13:22:22,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:22:32,225 INFO L129 PetriNetUnfolder]: 1765/3840 cut-off events. [2021-03-26 13:22:32,225 INFO L130 PetriNetUnfolder]: For 745664/751055 co-relation queries the response was YES. [2021-03-26 13:22:32,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95667 conditions, 3840 events. 1765/3840 cut-off events. For 745664/751055 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 32194 event pairs, 82 based on Foata normal form. 28/3867 useless extension candidates. Maximal degree in co-relation 95384. Up to 3544 conditions per place. [2021-03-26 13:22:32,353 INFO L132 encePairwiseOnDemand]: 194/225 looper letters, 1658 selfloop transitions, 285 changer transitions 0/1946 dead transitions. [2021-03-26 13:22:32,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 1946 transitions, 90836 flow [2021-03-26 13:22:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 13:22:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 13:22:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 178 transitions. [2021-03-26 13:22:32,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.060854700854700856 [2021-03-26 13:22:32,356 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 178 transitions. [2021-03-26 13:22:32,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 178 transitions. [2021-03-26 13:22:32,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:22:32,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 178 transitions. [2021-03-26 13:22:32,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 13 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) [2021-03-26 13:22:32,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 225.0) internal successors, (3150), 14 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:32,358 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 225.0) internal successors, (3150), 14 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:32,358 INFO L185 Difference]: Start difference. First operand has 662 places, 1914 transitions, 85512 flow. Second operand 13 states and 178 transitions. [2021-03-26 13:22:32,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 1946 transitions, 90836 flow [2021-03-26 13:22:37,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 1946 transitions, 90669 flow, removed 48 selfloop flow, removed 4 redundant places. [2021-03-26 13:22:37,603 INFO L241 Difference]: Finished difference. Result has 674 places, 1936 transitions, 87123 flow [2021-03-26 13:22:37,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=85345, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=264, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=87123, PETRI_PLACES=674, PETRI_TRANSITIONS=1936} [2021-03-26 13:22:37,605 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 657 predicate places. [2021-03-26 13:22:37,605 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:22:37,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 674 places, 1936 transitions, 87123 flow [2021-03-26 13:22:37,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 674 places, 1936 transitions, 87123 flow [2021-03-26 13:22:37,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 1936 transitions, 87123 flow [2021-03-26 13:22:39,952 INFO L129 PetriNetUnfolder]: 1765/3840 cut-off events. [2021-03-26 13:22:39,952 INFO L130 PetriNetUnfolder]: For 748428/748915 co-relation queries the response was YES. [2021-03-26 13:22:40,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92542 conditions, 3840 events. 1765/3840 cut-off events. For 748428/748915 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 32456 event pairs, 98 based on Foata normal form. 1/3840 useless extension candidates. Maximal degree in co-relation 92257. Up to 2022 conditions per place. [2021-03-26 13:22:40,403 INFO L142 LiptonReduction]: Number of co-enabled transitions 3910 [2021-03-26 13:22:41,031 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-26 13:22:44,273 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:22:44,273 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:22:44,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6669 [2021-03-26 13:22:44,274 INFO L480 AbstractCegarLoop]: Abstraction has has 671 places, 1933 transitions, 86982 flow [2021-03-26 13:22:44,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:22:44,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:22:44,274 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:22:44,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-03-26 13:22:44,488 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:22:44,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:22:44,488 INFO L82 PathProgramCache]: Analyzing trace with hash -707241626, now seen corresponding path program 2 times [2021-03-26 13:22:44,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:22:44,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763641772] [2021-03-26 13:22:44,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:22:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:22:44,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:22:44,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:22:44,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:22:44,509 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-03-26 13:22:44,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:22:44,518 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 13:22:44,519 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 13:22:44,540 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:22:44,541 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:22:44,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 13:22:44,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763641772] [2021-03-26 13:22:44,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164718139] [2021-03-26 13:22:44,567 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 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:22:44,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 13:22:44,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 13:22:44,580 WARN L261 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 13:22:44,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:22:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,597 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:22:44,597 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:22:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,612 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:22:44,613 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:22:44,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:22:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:44,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:22:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:22:44,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:22:44,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:44,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:22:44,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:22:44,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:44,661 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:22:44,661 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:22:44,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:44,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:44,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:44,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:22:44,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:44,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:22:44,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:22:44,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:22:44,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:22:44,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:22:44,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:22:44,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:22:44,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:22:44,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:22:44,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-03-26 13:22:44,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:22:44,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:22:44,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:22:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:22:44,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:22:44,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:22:44,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:22:44,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:22:44,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:22:44,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:22:44,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:22:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:22:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:22:44,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-03-26 13:22:44,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:22:44,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:22:44,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:22:44,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:44,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:22:44,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:22:44,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-26 13:22:44,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:44,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:22:44,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:22:44,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:22:44,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:22:44,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:22:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:22:44,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:22:44,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-03-26 13:22:44,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694517752] [2021-03-26 13:22:44,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 13:22:44,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:22:44,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 13:22:44,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-03-26 13:22:44,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 227 [2021-03-26 13:22:44,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 1933 transitions, 86982 flow. Second operand has 15 states, 15 states have (on average 8.066666666666666) internal successors, (121), 15 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) [2021-03-26 13:22:44,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:22:44,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 227 [2021-03-26 13:22:44,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:22:53,397 INFO L129 PetriNetUnfolder]: 1766/3844 cut-off events. [2021-03-26 13:22:53,397 INFO L130 PetriNetUnfolder]: For 762555/771776 co-relation queries the response was YES. [2021-03-26 13:22:53,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96574 conditions, 3844 events. 1766/3844 cut-off events. For 762555/771776 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 32215 event pairs, 89 based on Foata normal form. 96/3939 useless extension candidates. Maximal degree in co-relation 96287. Up to 3502 conditions per place. [2021-03-26 13:22:53,505 INFO L132 encePairwiseOnDemand]: 187/227 looper letters, 1654 selfloop transitions, 276 changer transitions 18/1951 dead transitions. [2021-03-26 13:22:53,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 1951 transitions, 91920 flow [2021-03-26 13:22:53,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:22:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:22:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 187 transitions. [2021-03-26 13:22:53,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.05884203901825047 [2021-03-26 13:22:53,508 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 187 transitions. [2021-03-26 13:22:53,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 187 transitions. [2021-03-26 13:22:53,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:22:53,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 187 transitions. [2021-03-26 13:22:53,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:53,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 227.0) internal successors, (3405), 15 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:53,510 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 227.0) internal successors, (3405), 15 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:22:53,510 INFO L185 Difference]: Start difference. First operand has 671 places, 1933 transitions, 86982 flow. Second operand 14 states and 187 transitions. [2021-03-26 13:22:53,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 1951 transitions, 91920 flow [2021-03-26 13:22:58,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 1951 transitions, 91572 flow, removed 41 selfloop flow, removed 8 redundant places. [2021-03-26 13:22:58,053 INFO L241 Difference]: Finished difference. Result has 679 places, 1929 transitions, 87018 flow [2021-03-26 13:22:58,054 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=86644, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1933, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1657, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=87018, PETRI_PLACES=679, PETRI_TRANSITIONS=1929} [2021-03-26 13:22:58,054 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 662 predicate places. [2021-03-26 13:22:58,054 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:22:58,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 679 places, 1929 transitions, 87018 flow [2021-03-26 13:22:58,054 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 679 places, 1929 transitions, 87018 flow [2021-03-26 13:22:58,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 1929 transitions, 87018 flow [2021-03-26 13:23:00,105 INFO L129 PetriNetUnfolder]: 1760/3825 cut-off events. [2021-03-26 13:23:00,105 INFO L130 PetriNetUnfolder]: For 731048/731048 co-relation queries the response was YES. [2021-03-26 13:23:00,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92209 conditions, 3825 events. 1760/3825 cut-off events. For 731048/731048 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 32322 event pairs, 99 based on Foata normal form. 0/3824 useless extension candidates. Maximal degree in co-relation 91922. Up to 2016 conditions per place. [2021-03-26 13:23:00,259 INFO L142 LiptonReduction]: Number of co-enabled transitions 3896 [2021-03-26 13:23:02,464 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 13:23:02,464 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 13:23:02,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4410 [2021-03-26 13:23:02,464 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 1924 transitions, 86783 flow [2021-03-26 13:23:02,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 8.066666666666666) internal successors, (121), 15 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) [2021-03-26 13:23:02,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:23:02,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:23:02,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128,103 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:23:02,679 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:23:02,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:23:02,679 INFO L82 PathProgramCache]: Analyzing trace with hash -450269002, now seen corresponding path program 1 times [2021-03-26 13:23:02,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:23:02,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880043660] [2021-03-26 13:23:02,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:23:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:23:02,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:23:02,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:23:02,704 INFO L142 QuantifierPusher]: treesize reduction 173, result has 35.2 percent of original size [2021-03-26 13:23:02,705 INFO L147 QuantifierPusher]: treesize reduction 35, result has 62.8 percent of original size 59 [2021-03-26 13:23:02,800 INFO L142 QuantifierPusher]: treesize reduction 190, result has 42.1 percent of original size [2021-03-26 13:23:02,801 INFO L147 QuantifierPusher]: treesize reduction 26, result has 81.2 percent of original size 112 [2021-03-26 13:23:02,947 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2021-03-26 13:23:02,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:23:02,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880043660] [2021-03-26 13:23:02,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697384098] [2021-03-26 13:23:02,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:23:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:23:02,972 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:23:02,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:23:02,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:02,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:02,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:03,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,010 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:23:03,011 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:23:03,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:03,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:03,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:03,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:03,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:03,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:03,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:03,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:03,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:03,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:03,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:23:03,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:03,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:03,036 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:23:03,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:03,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:23:03,044 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:23:03,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:03,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:03,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:03,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:23:03,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:23:03,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:03,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:23:03,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:23:03,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:03,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:23:03,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 13:23:03,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 59 [2021-03-26 13:23:03,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:23:03,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:23:03,075 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:23:03,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:23:03,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:23:03,100 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:59 [2021-03-26 13:23:03,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:23:03,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:03,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:23:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:23:03,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:23:03,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:23:03,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301166073] [2021-03-26 13:23:03,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:23:03,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:23:03,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:23:03,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:23:03,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 229 [2021-03-26 13:23:03,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 1924 transitions, 86783 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:23:03,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:23:03,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 229 [2021-03-26 13:23:03,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:23:05,637 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-03-26 13:23:10,064 INFO L129 PetriNetUnfolder]: 1766/3836 cut-off events. [2021-03-26 13:23:10,065 INFO L130 PetriNetUnfolder]: For 750398/753495 co-relation queries the response was YES. [2021-03-26 13:23:10,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96440 conditions, 3836 events. 1766/3836 cut-off events. For 750398/753495 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 32274 event pairs, 82 based on Foata normal form. 32/3867 useless extension candidates. Maximal degree in co-relation 96151. Up to 3556 conditions per place. [2021-03-26 13:23:10,201 INFO L132 encePairwiseOnDemand]: 170/229 looper letters, 1615 selfloop transitions, 322 changer transitions 1/1941 dead transitions. [2021-03-26 13:23:10,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 1941 transitions, 91682 flow [2021-03-26 13:23:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:23:10,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:23:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 175 transitions. [2021-03-26 13:23:10,203 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06368267831149928 [2021-03-26 13:23:10,203 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 175 transitions. [2021-03-26 13:23:10,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 175 transitions. [2021-03-26 13:23:10,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:23:10,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 175 transitions. [2021-03-26 13:23:10,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 14.583333333333334) internal successors, (175), 12 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:10,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 229.0) internal successors, (2977), 13 states have internal predecessors, (2977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:10,205 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 229.0) internal successors, (2977), 13 states have internal predecessors, (2977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:10,205 INFO L185 Difference]: Start difference. First operand has 672 places, 1924 transitions, 86783 flow. Second operand 12 states and 175 transitions. [2021-03-26 13:23:10,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 1941 transitions, 91682 flow [2021-03-26 13:23:14,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 1941 transitions, 91298 flow, removed 50 selfloop flow, removed 8 redundant places. [2021-03-26 13:23:14,626 INFO L241 Difference]: Finished difference. Result has 680 places, 1939 transitions, 88316 flow [2021-03-26 13:23:14,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=86071, PETRI_DIFFERENCE_MINUEND_PLACES=664, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=88316, PETRI_PLACES=680, PETRI_TRANSITIONS=1939} [2021-03-26 13:23:14,628 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 663 predicate places. [2021-03-26 13:23:14,628 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:23:14,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 680 places, 1939 transitions, 88316 flow [2021-03-26 13:23:14,628 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 680 places, 1939 transitions, 88316 flow [2021-03-26 13:23:14,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 680 places, 1939 transitions, 88316 flow [2021-03-26 13:23:16,894 INFO L129 PetriNetUnfolder]: 1766/3835 cut-off events. [2021-03-26 13:23:16,895 INFO L130 PetriNetUnfolder]: For 751012/751012 co-relation queries the response was YES. [2021-03-26 13:23:16,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92966 conditions, 3835 events. 1766/3835 cut-off events. For 751012/751012 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 32262 event pairs, 102 based on Foata normal form. 0/3834 useless extension candidates. Maximal degree in co-relation 92677. Up to 2014 conditions per place. [2021-03-26 13:23:17,047 INFO L142 LiptonReduction]: Number of co-enabled transitions 3916 [2021-03-26 13:23:18,584 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-26 13:23:18,731 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-26 13:23:21,844 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-26 13:23:21,844 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 13:23:21,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7216 [2021-03-26 13:23:21,844 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 1936 transitions, 88362 flow [2021-03-26 13:23:21,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:23:21,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:23:21,845 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:23:22,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129 [2021-03-26 13:23:22,059 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:23:22,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:23:22,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1645837350, now seen corresponding path program 1 times [2021-03-26 13:23:22,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:23:22,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532158289] [2021-03-26 13:23:22,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:23:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:23:22,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:22,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:22,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:22,082 INFO L142 QuantifierPusher]: treesize reduction 34, result has 24.4 percent of original size [2021-03-26 13:23:22,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:23:22,092 INFO L142 QuantifierPusher]: treesize reduction 40, result has 37.5 percent of original size [2021-03-26 13:23:22,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:23:22,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 13:23:22,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532158289] [2021-03-26 13:23:22,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156344280] [2021-03-26 13:23:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 105 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 105 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:23:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:23:22,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 13:23:22,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:23:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:22,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:22,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:22,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:22,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:22,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:22,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:22,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:22,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:22,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:22,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:22,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:23:22,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:22,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:22,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:23:22,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:22,226 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:23:22,226 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:23:22,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:22,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:22,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:23:22,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:23:22,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:23:22,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:23:22,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:23:22,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:23:22,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 13:23:22,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:23:22,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:23:22,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 13:23:22,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:22,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:22,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2021-03-26 13:23:22,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:23:22,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:23:22,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:23:22,274 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:23:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:23:22,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:23:22,276 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:24 [2021-03-26 13:23:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:23:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:23:22,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:22,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:22,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 13:23:22,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 13:23:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:23:22,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:23:22,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-26 13:23:22,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978983709] [2021-03-26 13:23:22,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 13:23:22,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:23:22,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 13:23:22,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-03-26 13:23:22,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 236 [2021-03-26 13:23:22,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 1936 transitions, 88362 flow. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:22,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:23:22,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 236 [2021-03-26 13:23:22,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:23:30,197 INFO L129 PetriNetUnfolder]: 1775/3866 cut-off events. [2021-03-26 13:23:30,197 INFO L130 PetriNetUnfolder]: For 776838/777959 co-relation queries the response was YES. [2021-03-26 13:23:30,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97915 conditions, 3866 events. 1775/3866 cut-off events. For 776838/777959 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 32612 event pairs, 83 based on Foata normal form. 29/3892 useless extension candidates. Maximal degree in co-relation 97624. Up to 3258 conditions per place. [2021-03-26 13:23:30,397 INFO L132 encePairwiseOnDemand]: 177/236 looper letters, 1547 selfloop transitions, 443 changer transitions 1/1994 dead transitions. [2021-03-26 13:23:30,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 1994 transitions, 95427 flow [2021-03-26 13:23:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 13:23:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 13:23:30,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 229 transitions. [2021-03-26 13:23:30,399 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.05707876370887338 [2021-03-26 13:23:30,399 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 229 transitions. [2021-03-26 13:23:30,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 229 transitions. [2021-03-26 13:23:30,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:23:30,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 229 transitions. [2021-03-26 13:23:30,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 13.470588235294118) internal successors, (229), 17 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:30,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 236.0) internal successors, (4248), 18 states have internal predecessors, (4248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:30,401 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 236.0) internal successors, (4248), 18 states have internal predecessors, (4248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:30,401 INFO L185 Difference]: Start difference. First operand has 679 places, 1936 transitions, 88362 flow. Second operand 17 states and 229 transitions. [2021-03-26 13:23:30,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 1994 transitions, 95427 flow [2021-03-26 13:23:35,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 689 places, 1994 transitions, 95188 flow, removed 100 selfloop flow, removed 6 redundant places. [2021-03-26 13:23:35,092 INFO L241 Difference]: Finished difference. Result has 692 places, 1956 transitions, 90348 flow [2021-03-26 13:23:35,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=88133, PETRI_DIFFERENCE_MINUEND_PLACES=673, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1936, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=90348, PETRI_PLACES=692, PETRI_TRANSITIONS=1956} [2021-03-26 13:23:35,094 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 675 predicate places. [2021-03-26 13:23:35,094 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:23:35,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 692 places, 1956 transitions, 90348 flow [2021-03-26 13:23:35,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 692 places, 1956 transitions, 90348 flow [2021-03-26 13:23:35,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 691 places, 1956 transitions, 90348 flow [2021-03-26 13:23:37,295 INFO L129 PetriNetUnfolder]: 1775/3865 cut-off events. [2021-03-26 13:23:37,295 INFO L130 PetriNetUnfolder]: For 802737/803975 co-relation queries the response was YES. [2021-03-26 13:23:37,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95391 conditions, 3865 events. 1775/3865 cut-off events. For 802737/803975 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 32768 event pairs, 100 based on Foata normal form. 0/3864 useless extension candidates. Maximal degree in co-relation 95100. Up to 2033 conditions per place. [2021-03-26 13:23:37,628 INFO L142 LiptonReduction]: Number of co-enabled transitions 3950 [2021-03-26 13:23:41,033 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 13:23:41,033 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 13:23:41,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5939 [2021-03-26 13:23:41,034 INFO L480 AbstractCegarLoop]: Abstraction has has 691 places, 1953 transitions, 90199 flow [2021-03-26 13:23:41,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:41,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:23:41,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:23:41,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,105 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:23:41,248 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:23:41,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:23:41,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1667491667, now seen corresponding path program 1 times [2021-03-26 13:23:41,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:23:41,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4388975] [2021-03-26 13:23:41,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:23:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:23:41,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:41,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:23:41,295 INFO L142 QuantifierPusher]: treesize reduction 209, result has 42.9 percent of original size [2021-03-26 13:23:41,296 INFO L147 QuantifierPusher]: treesize reduction 35, result has 77.7 percent of original size 122 [2021-03-26 13:23:41,625 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 42 [2021-03-26 13:23:41,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:41,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:23:41,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4388975] [2021-03-26 13:23:41,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:23:41,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:23:41,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140069693] [2021-03-26 13:23:41,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:23:41,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:23:41,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:23:41,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:23:41,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 238 [2021-03-26 13:23:41,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 691 places, 1953 transitions, 90199 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:41,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:23:41,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 238 [2021-03-26 13:23:41,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:23:48,085 INFO L129 PetriNetUnfolder]: 1774/3861 cut-off events. [2021-03-26 13:23:48,085 INFO L130 PetriNetUnfolder]: For 801716/802254 co-relation queries the response was YES. [2021-03-26 13:23:48,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99230 conditions, 3861 events. 1774/3861 cut-off events. For 801716/802254 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 32466 event pairs, 81 based on Foata normal form. 17/3877 useless extension candidates. Maximal degree in co-relation 98937. Up to 3613 conditions per place. [2021-03-26 13:23:48,202 INFO L132 encePairwiseOnDemand]: 203/238 looper letters, 1698 selfloop transitions, 251 changer transitions 4/1956 dead transitions. [2021-03-26 13:23:48,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 1956 transitions, 94309 flow [2021-03-26 13:23:48,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:23:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:23:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 115 transitions. [2021-03-26 13:23:48,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09663865546218488 [2021-03-26 13:23:48,204 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 115 transitions. [2021-03-26 13:23:48,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 115 transitions. [2021-03-26 13:23:48,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:23:48,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 115 transitions. [2021-03-26 13:23:48,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 23.0) internal successors, (115), 5 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) [2021-03-26 13:23:48,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 238.0) internal successors, (1428), 6 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:48,205 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 238.0) internal successors, (1428), 6 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:48,205 INFO L185 Difference]: Start difference. First operand has 691 places, 1953 transitions, 90199 flow. Second operand 5 states and 115 transitions. [2021-03-26 13:23:48,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 1956 transitions, 94309 flow [2021-03-26 13:23:52,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 1956 transitions, 94003 flow, removed 107 selfloop flow, removed 5 redundant places. [2021-03-26 13:23:52,898 INFO L241 Difference]: Finished difference. Result has 691 places, 1951 transitions, 90241 flow [2021-03-26 13:23:52,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=89893, PETRI_DIFFERENCE_MINUEND_PLACES=686, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=90241, PETRI_PLACES=691, PETRI_TRANSITIONS=1951} [2021-03-26 13:23:52,899 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 674 predicate places. [2021-03-26 13:23:52,899 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:23:52,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 691 places, 1951 transitions, 90241 flow [2021-03-26 13:23:52,899 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 691 places, 1951 transitions, 90241 flow [2021-03-26 13:23:52,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 689 places, 1951 transitions, 90241 flow [2021-03-26 13:23:55,189 INFO L129 PetriNetUnfolder]: 1773/3857 cut-off events. [2021-03-26 13:23:55,189 INFO L130 PetriNetUnfolder]: For 800821/800821 co-relation queries the response was YES. [2021-03-26 13:23:55,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95463 conditions, 3857 events. 1773/3857 cut-off events. For 800821/800821 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 32610 event pairs, 99 based on Foata normal form. 0/3856 useless extension candidates. Maximal degree in co-relation 95171. Up to 2025 conditions per place. [2021-03-26 13:23:55,350 INFO L142 LiptonReduction]: Number of co-enabled transitions 3940 [2021-03-26 13:23:56,276 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:23:56,276 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:23:56,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3377 [2021-03-26 13:23:56,277 INFO L480 AbstractCegarLoop]: Abstraction has has 689 places, 1951 transitions, 90241 flow [2021-03-26 13:23:56,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:56,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:23:56,277 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:23:56,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-26 13:23:56,277 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:23:56,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:23:56,277 INFO L82 PathProgramCache]: Analyzing trace with hash -440110271, now seen corresponding path program 1 times [2021-03-26 13:23:56,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:23:56,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690565161] [2021-03-26 13:23:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:23:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:23:56,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:56,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:56,317 INFO L142 QuantifierPusher]: treesize reduction 182, result has 31.8 percent of original size [2021-03-26 13:23:56,318 INFO L147 QuantifierPusher]: treesize reduction 26, result has 69.4 percent of original size 59 [2021-03-26 13:23:56,415 INFO L142 QuantifierPusher]: treesize reduction 191, result has 41.8 percent of original size [2021-03-26 13:23:56,416 INFO L147 QuantifierPusher]: treesize reduction 25, result has 81.8 percent of original size 112 [2021-03-26 13:23:56,541 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-26 13:23:56,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:23:56,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690565161] [2021-03-26 13:23:56,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99352678] [2021-03-26 13:23:56,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 106 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 106 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:23:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:23:56,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 13:23:56,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:23:56,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:56,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:56,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:56,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:23:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:23:56,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:56,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:56,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:23:56,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:23:56,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:23:56,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:56,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:23:56,649 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:23:56,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:56,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:23:56,657 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:23:56,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:56,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:23:56,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:23:56,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:23:56,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:23:56,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:23:56,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:23:56,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 13:23:56,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:23:56,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:23:56,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 13:23:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:23:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:23:56,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 77 [2021-03-26 13:23:56,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:23:56,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 13:23:56,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:23:56,787 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:23:56,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:23:56,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:23:56,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:63, output treesize:80 [2021-03-26 13:23:56,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:23:56,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:23:56,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:23:56,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:23:56,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:23:56,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:23:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:23:56,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 13:23:56,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-26 13:23:56,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641616703] [2021-03-26 13:23:56,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:23:56,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:23:56,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:23:56,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:23:56,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 238 [2021-03-26 13:23:56,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 689 places, 1951 transitions, 90241 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:23:56,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:23:56,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 238 [2021-03-26 13:23:56,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:24:04,272 INFO L129 PetriNetUnfolder]: 1774/3859 cut-off events. [2021-03-26 13:24:04,272 INFO L130 PetriNetUnfolder]: For 821854/825455 co-relation queries the response was YES. [2021-03-26 13:24:04,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99398 conditions, 3859 events. 1774/3859 cut-off events. For 821854/825455 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 32484 event pairs, 104 based on Foata normal form. 32/3890 useless extension candidates. Maximal degree in co-relation 99104. Up to 3842 conditions per place. [2021-03-26 13:24:04,386 INFO L132 encePairwiseOnDemand]: 208/238 looper letters, 1911 selfloop transitions, 41 changer transitions 0/1955 dead transitions. [2021-03-26 13:24:04,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 1955 transitions, 94376 flow [2021-03-26 13:24:04,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:24:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:24:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-26 13:24:04,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07923169267707082 [2021-03-26 13:24:04,388 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-26 13:24:04,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-26 13:24:04,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:24:04,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-26 13:24:04,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 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) [2021-03-26 13:24:04,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 238.0) internal successors, (1904), 8 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:04,389 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 238.0) internal successors, (1904), 8 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:04,389 INFO L185 Difference]: Start difference. First operand has 689 places, 1951 transitions, 90241 flow. Second operand 7 states and 132 transitions. [2021-03-26 13:24:04,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 1955 transitions, 94376 flow [2021-03-26 13:24:09,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 1955 transitions, 93872 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 13:24:09,394 INFO L241 Difference]: Finished difference. Result has 693 places, 1954 transitions, 90041 flow [2021-03-26 13:24:09,395 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=89737, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1910, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=90041, PETRI_PLACES=693, PETRI_TRANSITIONS=1954} [2021-03-26 13:24:09,395 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 676 predicate places. [2021-03-26 13:24:09,395 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:24:09,395 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 693 places, 1954 transitions, 90041 flow [2021-03-26 13:24:09,395 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 693 places, 1954 transitions, 90041 flow [2021-03-26 13:24:09,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 693 places, 1954 transitions, 90041 flow [2021-03-26 13:24:11,722 INFO L129 PetriNetUnfolder]: 1774/3859 cut-off events. [2021-03-26 13:24:11,722 INFO L130 PetriNetUnfolder]: For 807478/807809 co-relation queries the response was YES. [2021-03-26 13:24:11,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95431 conditions, 3859 events. 1774/3859 cut-off events. For 807478/807809 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 32638 event pairs, 100 based on Foata normal form. 0/3858 useless extension candidates. Maximal degree in co-relation 95138. Up to 2026 conditions per place. [2021-03-26 13:24:11,882 INFO L142 LiptonReduction]: Number of co-enabled transitions 3946 [2021-03-26 13:24:12,625 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-26 13:24:14,394 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:24:14,394 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:24:14,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4999 [2021-03-26 13:24:14,395 INFO L480 AbstractCegarLoop]: Abstraction has has 693 places, 1953 transitions, 89984 flow [2021-03-26 13:24:14,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:14,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:24:14,395 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:24:14,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,106 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:24:14,609 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:24:14,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:24:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash -440557632, now seen corresponding path program 1 times [2021-03-26 13:24:14,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:24:14,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526656343] [2021-03-26 13:24:14,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:24:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:24:14,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:14,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:24:14,626 INFO L142 QuantifierPusher]: treesize reduction 183, result has 34.6 percent of original size [2021-03-26 13:24:14,627 INFO L147 QuantifierPusher]: treesize reduction 33, result has 66.0 percent of original size 64 [2021-03-26 13:24:14,743 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2021-03-26 13:24:14,746 INFO L142 QuantifierPusher]: treesize reduction 177, result has 47.0 percent of original size [2021-03-26 13:24:14,747 INFO L147 QuantifierPusher]: treesize reduction 40, result has 74.5 percent of original size 117 [2021-03-26 13:24:14,934 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2021-03-26 13:24:14,935 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:24:14,936 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:24:14,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:14,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:24:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:24:14,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526656343] [2021-03-26 13:24:14,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891298136] [2021-03-26 13:24:14,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 107 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 107 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:24:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:24:14,983 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:24:14,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:24:14,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:14,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:14,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:14,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:14,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:14,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:14,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:14,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:14,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,007 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:24:15,008 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:24:15,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:15,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:24:15,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:24:15,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:24:15,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:24:15,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:24:15,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:24:15,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:24:15,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:24:15,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:24:15,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:24:15,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:24:15,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:24:15,045 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:24:15,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:24:15,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:24:15,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:24:15,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:24:15,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:24:15,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:24:15,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:24:15,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:24:15,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 59 [2021-03-26 13:24:15,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:24:15,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:24:15,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:24:15,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:24:15,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:24:15,108 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:62 [2021-03-26 13:24:15,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:24:15,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:24:15,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:24:15,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 13:24:15,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:24:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 13:24:15,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:24:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:24:15,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 13:24:15,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:24:15,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:24:15,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 13:24:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:15,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2021-03-26 13:24:15,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:24:15,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:24:15,263 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:24:15,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:24:15,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:24:15,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:24:15,296 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:67 [2021-03-26 13:24:15,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:24:15,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:24:15,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:15,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:24:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:24:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:24:15,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:24:15,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 13:24:15,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267164684] [2021-03-26 13:24:15,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 13:24:15,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:24:15,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 13:24:15,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-26 13:24:15,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 239 [2021-03-26 13:24:15,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 693 places, 1953 transitions, 89984 flow. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:24:15,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:24:15,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 239 [2021-03-26 13:24:15,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:24:23,944 INFO L129 PetriNetUnfolder]: 1781/3879 cut-off events. [2021-03-26 13:24:23,944 INFO L130 PetriNetUnfolder]: For 822163/826492 co-relation queries the response was YES. [2021-03-26 13:24:24,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100030 conditions, 3879 events. 1781/3879 cut-off events. For 822163/826492 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 32695 event pairs, 88 based on Foata normal form. 30/3908 useless extension candidates. Maximal degree in co-relation 99735. Up to 3536 conditions per place. [2021-03-26 13:24:24,061 INFO L132 encePairwiseOnDemand]: 181/239 looper letters, 1623 selfloop transitions, 335 changer transitions 18/1979 dead transitions. [2021-03-26 13:24:24,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 1979 transitions, 95643 flow [2021-03-26 13:24:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 13:24:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 13:24:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 161 transitions. [2021-03-26 13:24:24,064 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06736401673640167 [2021-03-26 13:24:24,064 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 161 transitions. [2021-03-26 13:24:24,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 161 transitions. [2021-03-26 13:24:24,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:24:24,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 161 transitions. [2021-03-26 13:24:24,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:24,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 239.0) internal successors, (2629), 11 states have internal predecessors, (2629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:24,065 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 239.0) internal successors, (2629), 11 states have internal predecessors, (2629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:24,065 INFO L185 Difference]: Start difference. First operand has 693 places, 1953 transitions, 89984 flow. Second operand 10 states and 161 transitions. [2021-03-26 13:24:24,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 1979 transitions, 95643 flow [2021-03-26 13:24:29,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 1979 transitions, 95516 flow, removed 29 selfloop flow, removed 2 redundant places. [2021-03-26 13:24:29,369 INFO L241 Difference]: Finished difference. Result has 703 places, 1951 transitions, 90450 flow [2021-03-26 13:24:29,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=89857, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=330, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1618, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=90450, PETRI_PLACES=703, PETRI_TRANSITIONS=1951} [2021-03-26 13:24:29,370 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 686 predicate places. [2021-03-26 13:24:29,370 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:24:29,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 703 places, 1951 transitions, 90450 flow [2021-03-26 13:24:29,371 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 703 places, 1951 transitions, 90450 flow [2021-03-26 13:24:29,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 697 places, 1951 transitions, 90450 flow [2021-03-26 13:24:31,701 INFO L129 PetriNetUnfolder]: 1776/3861 cut-off events. [2021-03-26 13:24:31,701 INFO L130 PetriNetUnfolder]: For 822514/823211 co-relation queries the response was YES. [2021-03-26 13:24:31,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96277 conditions, 3861 events. 1776/3861 cut-off events. For 822514/823211 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 32628 event pairs, 100 based on Foata normal form. 0/3860 useless extension candidates. Maximal degree in co-relation 95981. Up to 2029 conditions per place. [2021-03-26 13:24:31,861 INFO L142 LiptonReduction]: Number of co-enabled transitions 3940 [2021-03-26 13:24:32,785 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:24:32,785 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:24:32,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3415 [2021-03-26 13:24:32,785 INFO L480 AbstractCegarLoop]: Abstraction has has 697 places, 1951 transitions, 90450 flow [2021-03-26 13:24:32,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2021-03-26 13:24:32,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:24:32,786 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:24:33,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133,107 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:24:33,000 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:24:33,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:24:33,000 INFO L82 PathProgramCache]: Analyzing trace with hash -440109899, now seen corresponding path program 1 times [2021-03-26 13:24:33,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:24:33,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823708058] [2021-03-26 13:24:33,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:24:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:24:33,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:33,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:24:33,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:33,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:24:33,018 INFO L142 QuantifierPusher]: treesize reduction 232, result has 14.7 percent of original size [2021-03-26 13:24:33,019 INFO L147 QuantifierPusher]: treesize reduction 35, result has 12.5 percent of original size 5 [2021-03-26 13:24:33,064 INFO L142 QuantifierPusher]: treesize reduction 246, result has 26.1 percent of original size [2021-03-26 13:24:33,064 INFO L147 QuantifierPusher]: treesize reduction 12, result has 86.2 percent of original size 75 [2021-03-26 13:24:33,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:33,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:24:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:24:33,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823708058] [2021-03-26 13:24:33,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:24:33,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 13:24:33,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457241736] [2021-03-26 13:24:33,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:24:33,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:24:33,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:24:33,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:24:33,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 239 [2021-03-26 13:24:33,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 1951 transitions, 90450 flow. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:33,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:24:33,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 239 [2021-03-26 13:24:33,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:24:39,379 INFO L129 PetriNetUnfolder]: 1796/3903 cut-off events. [2021-03-26 13:24:39,379 INFO L130 PetriNetUnfolder]: For 842562/852319 co-relation queries the response was YES. [2021-03-26 13:24:39,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101070 conditions, 3903 events. 1796/3903 cut-off events. For 842562/852319 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 32787 event pairs, 84 based on Foata normal form. 32/3934 useless extension candidates. Maximal degree in co-relation 100772. Up to 3611 conditions per place. [2021-03-26 13:24:39,497 INFO L132 encePairwiseOnDemand]: 207/239 looper letters, 1700 selfloop transitions, 279 changer transitions 0/1982 dead transitions. [2021-03-26 13:24:39,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 1982 transitions, 95921 flow [2021-03-26 13:24:39,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:24:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:24:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 142 transitions. [2021-03-26 13:24:39,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07426778242677824 [2021-03-26 13:24:39,499 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 142 transitions. [2021-03-26 13:24:39,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 142 transitions. [2021-03-26 13:24:39,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:24:39,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 142 transitions. [2021-03-26 13:24:39,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 17.75) internal successors, (142), 8 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) [2021-03-26 13:24:39,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 239.0) internal successors, (2151), 9 states have internal predecessors, (2151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:39,500 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 239.0) internal successors, (2151), 9 states have internal predecessors, (2151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:39,500 INFO L185 Difference]: Start difference. First operand has 697 places, 1951 transitions, 90450 flow. Second operand 8 states and 142 transitions. [2021-03-26 13:24:39,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 1982 transitions, 95921 flow [2021-03-26 13:24:44,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 1982 transitions, 94885 flow, removed 22 selfloop flow, removed 10 redundant places. [2021-03-26 13:24:44,883 INFO L241 Difference]: Finished difference. Result has 698 places, 1973 transitions, 91516 flow [2021-03-26 13:24:44,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=89418, PETRI_DIFFERENCE_MINUEND_PLACES=687, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=258, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=91516, PETRI_PLACES=698, PETRI_TRANSITIONS=1973} [2021-03-26 13:24:44,884 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 681 predicate places. [2021-03-26 13:24:44,884 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:24:44,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 698 places, 1973 transitions, 91516 flow [2021-03-26 13:24:44,885 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 698 places, 1973 transitions, 91516 flow [2021-03-26 13:24:44,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 698 places, 1973 transitions, 91516 flow [2021-03-26 13:24:47,110 INFO L129 PetriNetUnfolder]: 1796/3903 cut-off events. [2021-03-26 13:24:47,110 INFO L130 PetriNetUnfolder]: For 822343/823022 co-relation queries the response was YES. [2021-03-26 13:24:47,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96800 conditions, 3903 events. 1796/3903 cut-off events. For 822343/823022 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 33037 event pairs, 100 based on Foata normal form. 1/3903 useless extension candidates. Maximal degree in co-relation 96504. Up to 2056 conditions per place. [2021-03-26 13:24:47,302 INFO L142 LiptonReduction]: Number of co-enabled transitions 3984 [2021-03-26 13:24:49,422 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 13:24:49,422 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 13:24:49,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4538 [2021-03-26 13:24:49,422 INFO L480 AbstractCegarLoop]: Abstraction has has 698 places, 1971 transitions, 91371 flow [2021-03-26 13:24:49,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:49,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:24:49,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:24:49,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-26 13:24:49,423 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:24:49,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:24:49,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1646278914, now seen corresponding path program 1 times [2021-03-26 13:24:49,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:24:49,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187089471] [2021-03-26 13:24:49,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:24:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:24:49,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:24:49,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:24:49,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:24:49,456 INFO L142 QuantifierPusher]: treesize reduction 41, result has 41.4 percent of original size [2021-03-26 13:24:49,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:24:49,482 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:24:49,482 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:24:49,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:24:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 13:24:49,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187089471] [2021-03-26 13:24:49,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514851206] [2021-03-26 13:24:49,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 108 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:24:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:24:49,531 WARN L261 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 13:24:49,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:24:49,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,555 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:24:49,555 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:24:49,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,576 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:24:49,577 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:24:49,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:24:49,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:24:49,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:24:49,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:24:49,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:24:49,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:24:49,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 13:24:49,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 18 [2021-03-26 13:24:49,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:24:49,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 13:24:49,610 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:24:49,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:24:49,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:24:49,623 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:24 [2021-03-26 13:24:49,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:24:49,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 13:24:49,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:24:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:24:49,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:24:49,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:24:49,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:24:49,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:24:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2021-03-26 13:24:49,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:24:49,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 13:24:49,666 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:24:49,683 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:24:49,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:24:49,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:34 [2021-03-26 13:24:49,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:24:49,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:24:49,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:24:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:24:49,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:24:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:24:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:24:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:24:49,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 13:24:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:24:49,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:24:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 13:24:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:24:49,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 48 [2021-03-26 13:24:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:24:49,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:24:49,751 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:24:49,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:24:49,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:24:49,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:24:49,772 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:39 [2021-03-26 13:24:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:24:49,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:24:49,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:24:49,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:24:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:24:49,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:24:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:24:49,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:24:49,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-26 13:24:49,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25186779] [2021-03-26 13:24:49,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 13:24:49,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:24:49,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 13:24:49,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-03-26 13:24:49,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 239 [2021-03-26 13:24:49,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 698 places, 1971 transitions, 91371 flow. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:49,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:24:49,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 239 [2021-03-26 13:24:49,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:24:58,157 INFO L129 PetriNetUnfolder]: 1794/3902 cut-off events. [2021-03-26 13:24:58,157 INFO L130 PetriNetUnfolder]: For 840682/852459 co-relation queries the response was YES. [2021-03-26 13:24:58,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100678 conditions, 3902 events. 1794/3902 cut-off events. For 840682/852459 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 32800 event pairs, 95 based on Foata normal form. 65/3966 useless extension candidates. Maximal degree in co-relation 100380. Up to 3597 conditions per place. [2021-03-26 13:24:58,278 INFO L132 encePairwiseOnDemand]: 200/239 looper letters, 1710 selfloop transitions, 255 changer transitions 5/1973 dead transitions. [2021-03-26 13:24:58,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 1973 transitions, 95440 flow [2021-03-26 13:24:58,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:24:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:24:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 143 transitions. [2021-03-26 13:24:58,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06648070664807067 [2021-03-26 13:24:58,280 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 143 transitions. [2021-03-26 13:24:58,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 143 transitions. [2021-03-26 13:24:58,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:24:58,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 143 transitions. [2021-03-26 13:24:58,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 15.88888888888889) internal successors, (143), 9 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:58,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 239.0) internal successors, (2390), 10 states have internal predecessors, (2390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:58,281 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 239.0) internal successors, (2390), 10 states have internal predecessors, (2390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:24:58,281 INFO L185 Difference]: Start difference. First operand has 698 places, 1971 transitions, 91371 flow. Second operand 9 states and 143 transitions. [2021-03-26 13:24:58,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 1973 transitions, 95440 flow [2021-03-26 13:25:03,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 1973 transitions, 95402 flow, removed 17 selfloop flow, removed 2 redundant places. [2021-03-26 13:25:03,666 INFO L241 Difference]: Finished difference. Result has 704 places, 1967 transitions, 91654 flow [2021-03-26 13:25:03,667 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=91278, PETRI_DIFFERENCE_MINUEND_PLACES=695, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=91654, PETRI_PLACES=704, PETRI_TRANSITIONS=1967} [2021-03-26 13:25:03,667 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 687 predicate places. [2021-03-26 13:25:03,667 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:25:03,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 704 places, 1967 transitions, 91654 flow [2021-03-26 13:25:03,668 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 704 places, 1967 transitions, 91654 flow [2021-03-26 13:25:03,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 1967 transitions, 91654 flow [2021-03-26 13:25:06,200 INFO L129 PetriNetUnfolder]: 1793/3897 cut-off events. [2021-03-26 13:25:06,200 INFO L130 PetriNetUnfolder]: For 832972/832972 co-relation queries the response was YES. [2021-03-26 13:25:06,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97328 conditions, 3897 events. 1793/3897 cut-off events. For 832972/832972 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 32965 event pairs, 105 based on Foata normal form. 0/3896 useless extension candidates. Maximal degree in co-relation 97029. Up to 2053 conditions per place. [2021-03-26 13:25:06,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 3972 [2021-03-26 13:25:07,581 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:25:07,581 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:25:07,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3914 [2021-03-26 13:25:07,582 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 1967 transitions, 91654 flow [2021-03-26 13:25:07,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:25:07,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:25:07,582 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:25:07,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-03-26 13:25:07,797 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:25:07,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:25:07,797 INFO L82 PathProgramCache]: Analyzing trace with hash -758504350, now seen corresponding path program 1 times [2021-03-26 13:25:07,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:25:07,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862201034] [2021-03-26 13:25:07,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:25:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:25:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:25:07,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:07,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:25:07,824 INFO L142 QuantifierPusher]: treesize reduction 246, result has 11.2 percent of original size [2021-03-26 13:25:07,824 INFO L147 QuantifierPusher]: treesize reduction 26, result has 16.1 percent of original size 5 [2021-03-26 13:25:07,860 INFO L142 QuantifierPusher]: treesize reduction 239, result has 29.3 percent of original size [2021-03-26 13:25:07,861 INFO L147 QuantifierPusher]: treesize reduction 19, result has 80.8 percent of original size 80 [2021-03-26 13:25:08,007 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2021-03-26 13:25:08,009 INFO L142 QuantifierPusher]: treesize reduction 40, result has 32.2 percent of original size [2021-03-26 13:25:08,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:25:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:25:08,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862201034] [2021-03-26 13:25:08,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208761556] [2021-03-26 13:25:08,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 109 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:25:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:25:08,064 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 13:25:08,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:25:08,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,115 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-26 13:25:08,116 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-26 13:25:08,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:08,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:25:08,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:08,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:25:08,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:08,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:25:08,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:08,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:25:08,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:08,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:08,149 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:25:08,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:25:08,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:25:08,158 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:25:08,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:25:08,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:25:08,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:25:08,184 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size 72 [2021-03-26 13:25:08,185 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-03-26 13:25:08,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:25:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:25:08,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:25:08,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:25:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:08,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 66 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2021-03-26 13:25:08,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:25:08,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:25:08,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:25:08,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:25:08,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:25:08,310 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:89 [2021-03-26 13:25:08,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:25:08,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:25:08,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:25:08,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:25:08,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:25:08,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:25:08,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:08,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:25:08,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 13:25:08,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2021-03-26 13:25:08,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:25:08,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 13:25:08,383 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:25:08,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:25:08,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:25:08,417 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2021-03-26 13:25:08,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:25:08,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:08,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:25:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:25:08,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:25:08,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 13:25:08,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042187332] [2021-03-26 13:25:08,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:25:08,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:25:08,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:25:08,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:25:08,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 239 [2021-03-26 13:25:08,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 699 places, 1967 transitions, 91654 flow. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:25:08,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:25:08,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 239 [2021-03-26 13:25:08,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:25:12,443 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-03-26 13:25:17,142 INFO L129 PetriNetUnfolder]: 1804/3922 cut-off events. [2021-03-26 13:25:17,142 INFO L130 PetriNetUnfolder]: For 851714/856179 co-relation queries the response was YES. [2021-03-26 13:25:17,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101964 conditions, 3922 events. 1804/3922 cut-off events. For 851714/856179 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 33022 event pairs, 88 based on Foata normal form. 29/3950 useless extension candidates. Maximal degree in co-relation 101663. Up to 3664 conditions per place. [2021-03-26 13:25:17,335 INFO L132 encePairwiseOnDemand]: 204/239 looper letters, 1716 selfloop transitions, 269 changer transitions 1/1989 dead transitions. [2021-03-26 13:25:17,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 710 places, 1989 transitions, 96957 flow [2021-03-26 13:25:17,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 13:25:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 13:25:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 173 transitions. [2021-03-26 13:25:17,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0603207810320781 [2021-03-26 13:25:17,338 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 173 transitions. [2021-03-26 13:25:17,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 173 transitions. [2021-03-26 13:25:17,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:25:17,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 173 transitions. [2021-03-26 13:25:17,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 14.416666666666666) internal successors, (173), 12 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:25:17,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 239.0) internal successors, (3107), 13 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:25:17,340 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 239.0) internal successors, (3107), 13 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:25:17,340 INFO L185 Difference]: Start difference. First operand has 699 places, 1967 transitions, 91654 flow. Second operand 12 states and 173 transitions. [2021-03-26 13:25:17,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 710 places, 1989 transitions, 96957 flow [2021-03-26 13:25:23,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 1989 transitions, 96431 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-03-26 13:25:23,343 INFO L241 Difference]: Finished difference. Result has 709 places, 1987 transitions, 92958 flow [2021-03-26 13:25:23,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=91136, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1967, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=92958, PETRI_PLACES=709, PETRI_TRANSITIONS=1987} [2021-03-26 13:25:23,344 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 692 predicate places. [2021-03-26 13:25:23,344 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:25:23,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 709 places, 1987 transitions, 92958 flow [2021-03-26 13:25:23,344 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 709 places, 1987 transitions, 92958 flow [2021-03-26 13:25:23,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 709 places, 1987 transitions, 92958 flow [2021-03-26 13:25:25,758 INFO L129 PetriNetUnfolder]: 1804/3922 cut-off events. [2021-03-26 13:25:25,759 INFO L130 PetriNetUnfolder]: For 844653/844814 co-relation queries the response was YES. [2021-03-26 13:25:25,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98099 conditions, 3922 events. 1804/3922 cut-off events. For 844653/844814 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 33263 event pairs, 102 based on Foata normal form. 0/3921 useless extension candidates. Maximal degree in co-relation 97796. Up to 2060 conditions per place. [2021-03-26 13:25:25,930 INFO L142 LiptonReduction]: Number of co-enabled transitions 4012 [2021-03-26 13:25:26,318 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-26 13:25:26,768 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-26 13:25:27,680 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-26 13:25:27,861 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-26 13:25:28,312 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:25:28,490 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:25:28,697 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-26 13:25:28,997 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-26 13:25:29,292 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 13:25:31,139 INFO L154 LiptonReduction]: Checked pairs total: 14 [2021-03-26 13:25:31,139 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 13:25:31,139 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7795 [2021-03-26 13:25:31,140 INFO L480 AbstractCegarLoop]: Abstraction has has 707 places, 1977 transitions, 92407 flow [2021-03-26 13:25:31,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 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) [2021-03-26 13:25:31,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:25:31,140 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:25:31,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-03-26 13:25:31,354 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:25:31,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:25:31,354 INFO L82 PathProgramCache]: Analyzing trace with hash 447522945, now seen corresponding path program 1 times [2021-03-26 13:25:31,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:25:31,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018447249] [2021-03-26 13:25:31,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:25:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:25:31,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:31,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:31,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:31,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:31,377 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-26 13:25:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 13:25:31,384 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:25:31,384 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:25:31,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 13:25:31,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018447249] [2021-03-26 13:25:31,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336167692] [2021-03-26 13:25:31,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 110 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 110 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:25:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:25:31,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 13:25:31,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:25:31,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:25:31,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:25:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:25:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 13:25:31,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 13:25:31,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-26 13:25:31,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:31,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:31,636 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:25:31,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:25:31,644 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:25:31,644 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-26 13:25:31,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:25:31,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:25:31,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:25:31,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:25:31,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:25:31,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:25:31,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 13:25:31,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:25:31,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:25:31,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:25:31,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:25:31,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 13:25:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:25:31,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-03-26 13:25:31,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:25:31,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:25:31,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:25:31,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:25:31,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:25:31,697 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-26 13:25:31,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:25:31,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:25:31,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:31,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:25:31,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:25:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:25:31,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:25:31,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-03-26 13:25:31,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229026361] [2021-03-26 13:25:31,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 13:25:31,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:25:31,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 13:25:31,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-03-26 13:25:31,723 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 245 [2021-03-26 13:25:31,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 707 places, 1977 transitions, 92407 flow. Second operand has 15 states, 15 states have (on average 8.066666666666666) internal successors, (121), 15 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) [2021-03-26 13:25:31,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:25:31,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 245 [2021-03-26 13:25:31,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:25:42,948 INFO L129 PetriNetUnfolder]: 1866/4075 cut-off events. [2021-03-26 13:25:42,949 INFO L130 PetriNetUnfolder]: For 918449/925730 co-relation queries the response was YES. [2021-03-26 13:25:43,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106842 conditions, 4075 events. 1866/4075 cut-off events. For 918449/925730 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 34831 event pairs, 77 based on Foata normal form. 108/4181 useless extension candidates. Maximal degree in co-relation 106537. Up to 2856 conditions per place. [2021-03-26 13:25:43,078 INFO L132 encePairwiseOnDemand]: 184/245 looper letters, 1271 selfloop transitions, 818 changer transitions 43/2135 dead transitions. [2021-03-26 13:25:43,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 735 places, 2135 transitions, 105012 flow [2021-03-26 13:25:43,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-26 13:25:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-26 13:25:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 345 transitions. [2021-03-26 13:25:43,080 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.048557353976073185 [2021-03-26 13:25:43,080 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 345 transitions. [2021-03-26 13:25:43,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 345 transitions. [2021-03-26 13:25:43,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:25:43,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 345 transitions. [2021-03-26 13:25:43,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 11.89655172413793) internal successors, (345), 29 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) [2021-03-26 13:25:43,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 245.0) internal successors, (7350), 30 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:25:43,083 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 245.0) internal successors, (7350), 30 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:25:43,083 INFO L185 Difference]: Start difference. First operand has 707 places, 1977 transitions, 92407 flow. Second operand 29 states and 345 transitions. [2021-03-26 13:25:43,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 735 places, 2135 transitions, 105012 flow [2021-03-26 13:25:50,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 726 places, 2135 transitions, 103986 flow, removed 155 selfloop flow, removed 9 redundant places. [2021-03-26 13:25:50,246 INFO L241 Difference]: Finished difference. Result has 735 places, 2034 transitions, 96339 flow [2021-03-26 13:25:50,247 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=90806, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1966, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=755, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=96339, PETRI_PLACES=735, PETRI_TRANSITIONS=2034} [2021-03-26 13:25:50,247 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 718 predicate places. [2021-03-26 13:25:50,247 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:25:50,247 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 735 places, 2034 transitions, 96339 flow [2021-03-26 13:25:50,247 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 735 places, 2034 transitions, 96339 flow [2021-03-26 13:25:50,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 728 places, 2034 transitions, 96339 flow [2021-03-26 13:25:54,624 INFO L129 PetriNetUnfolder]: 1839/3996 cut-off events. [2021-03-26 13:25:54,624 INFO L130 PetriNetUnfolder]: For 869280/869991 co-relation queries the response was YES. [2021-03-26 13:25:54,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100879 conditions, 3996 events. 1839/3996 cut-off events. For 869280/869991 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 33949 event pairs, 96 based on Foata normal form. 1/3996 useless extension candidates. Maximal degree in co-relation 100569. Up to 2121 conditions per place. [2021-03-26 13:25:54,837 INFO L142 LiptonReduction]: Number of co-enabled transitions 4106 [2021-03-26 13:25:57,171 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 13:25:57,171 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 13:25:57,171 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6924 [2021-03-26 13:25:57,179 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 2032 transitions, 96185 flow [2021-03-26 13:25:57,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 8.066666666666666) internal successors, (121), 15 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) [2021-03-26 13:25:57,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:25:57,180 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 13:25:57,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable137 [2021-03-26 13:25:57,396 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:25:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:25:57,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1667481716, now seen corresponding path program 1 times [2021-03-26 13:25:57,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:25:57,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707932075] [2021-03-26 13:25:57,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:25:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:25:57,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:57,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:25:57,421 INFO L142 QuantifierPusher]: treesize reduction 257, result has 44.1 percent of original size [2021-03-26 13:25:57,424 INFO L147 QuantifierPusher]: treesize reduction 47, result has 76.8 percent of original size 156 [2021-03-26 13:25:57,693 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2021-03-26 13:25:57,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:25:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:25:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:25:57,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707932075] [2021-03-26 13:25:57,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:25:57,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:25:57,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989698542] [2021-03-26 13:25:57,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 13:25:57,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:25:57,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 13:25:57,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 13:25:57,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 246 [2021-03-26 13:25:57,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 2032 transitions, 96185 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:25:57,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:25:57,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 246 [2021-03-26 13:25:57,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:04,313 INFO L129 PetriNetUnfolder]: 1838/3980 cut-off events. [2021-03-26 13:26:04,313 INFO L130 PetriNetUnfolder]: For 865675/867224 co-relation queries the response was YES. [2021-03-26 13:26:04,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104473 conditions, 3980 events. 1838/3980 cut-off events. For 865675/867224 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 33493 event pairs, 75 based on Foata normal form. 19/3998 useless extension candidates. Maximal degree in co-relation 104161. Up to 3751 conditions per place. [2021-03-26 13:26:04,628 INFO L132 encePairwiseOnDemand]: 209/246 looper letters, 1795 selfloop transitions, 237 changer transitions 0/2035 dead transitions. [2021-03-26 13:26:04,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 2035 transitions, 100455 flow [2021-03-26 13:26:04,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 13:26:04,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 13:26:04,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2021-03-26 13:26:04,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0910569105691057 [2021-03-26 13:26:04,631 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 112 transitions. [2021-03-26 13:26:04,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 112 transitions. [2021-03-26 13:26:04,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:04,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 112 transitions. [2021-03-26 13:26:04,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 22.4) internal successors, (112), 5 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) [2021-03-26 13:26:04,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 246.0) internal successors, (1476), 6 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:26:04,632 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 246.0) internal successors, (1476), 6 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:26:04,632 INFO L185 Difference]: Start difference. First operand has 726 places, 2032 transitions, 96185 flow. Second operand 5 states and 112 transitions. [2021-03-26 13:26:04,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 2035 transitions, 100455 flow [2021-03-26 13:26:10,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 2035 transitions, 99456 flow, removed 412 selfloop flow, removed 13 redundant places. [2021-03-26 13:26:10,274 INFO L241 Difference]: Finished difference. Result has 718 places, 2034 transitions, 96060 flow [2021-03-26 13:26:10,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=95190, PETRI_DIFFERENCE_MINUEND_PLACES=713, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2032, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1795, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=96060, PETRI_PLACES=718, PETRI_TRANSITIONS=2034} [2021-03-26 13:26:10,275 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 701 predicate places. [2021-03-26 13:26:10,276 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:10,276 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 718 places, 2034 transitions, 96060 flow [2021-03-26 13:26:10,276 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 718 places, 2034 transitions, 96060 flow [2021-03-26 13:26:10,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 718 places, 2034 transitions, 96060 flow [2021-03-26 13:26:13,435 INFO L129 PetriNetUnfolder]: 1838/3980 cut-off events. [2021-03-26 13:26:13,435 INFO L130 PetriNetUnfolder]: For 865102/866077 co-relation queries the response was YES. [2021-03-26 13:26:13,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100154 conditions, 3980 events. 1838/3980 cut-off events. For 865102/866077 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 33698 event pairs, 94 based on Foata normal form. 0/3979 useless extension candidates. Maximal degree in co-relation 99847. Up to 2100 conditions per place. [2021-03-26 13:26:13,600 INFO L142 LiptonReduction]: Number of co-enabled transitions 4106 [2021-03-26 13:26:15,654 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 13:26:15,654 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 13:26:15,654 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5379 [2021-03-26 13:26:15,655 INFO L480 AbstractCegarLoop]: Abstraction has has 718 places, 2033 transitions, 95971 flow [2021-03-26 13:26:15,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:26:15,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:15,655 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:15,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-26 13:26:15,655 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 13:26:15,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:15,655 INFO L82 PathProgramCache]: Analyzing trace with hash -152325013, now seen corresponding path program 1 times [2021-03-26 13:26:15,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:15,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106465756] [2021-03-26 13:26:15,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:15,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:15,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:26:15,688 INFO L142 QuantifierPusher]: treesize reduction 284, result has 38.9 percent of original size [2021-03-26 13:26:15,689 INFO L147 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-03-26 13:26:15,933 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2021-03-26 13:26:15,935 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-26 13:26:15,935 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 13:26:15,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:15,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 13:26:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:26:15,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106465756] [2021-03-26 13:26:15,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288144909] [2021-03-26 13:26:15,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 111 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 111 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:26:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:16,026 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 13:26:16,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 13:26:16,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:16,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:26:16,058 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size 64 [2021-03-26 13:26:16,059 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-03-26 13:26:16,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:26:16,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:26:16,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 13:26:16,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 13:26:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 76 [2021-03-26 13:26:16,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 13:26:16,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 13:26:16,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:26:16,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:26:16,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:26:16,169 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:82 [2021-03-26 13:26:16,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:26:16,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-26 13:26:16,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-26 13:26:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-26 13:26:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-26 13:26:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-26 13:26:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-26 13:26:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-26 13:26:16,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,577 INFO L244 Elim1Store]: Index analysis took 344 ms [2021-03-26 13:26:16,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 300 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 179 [2021-03-26 13:26:16,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-03-26 13:26:16,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-03-26 13:26:16,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:26:16,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-03-26 13:26:16,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 13:26:16,668 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:152 [2021-03-26 13:26:16,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-03-26 13:26:16,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-03-26 13:26:16,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-03-26 13:26:16,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-03-26 13:26:16,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-03-26 13:26:16,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-03-26 13:26:16,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 13:26:16,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 13:26:16,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-03-26 13:26:16,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-03-26 13:26:16,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:16,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:16,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-03-26 13:26:16,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-03-26 13:26:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 13:26:17,117 INFO L244 Elim1Store]: Index analysis took 307 ms [2021-03-26 13:26:17,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 226 [2021-03-26 13:26:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-03-26 13:26:17,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-03-26 13:26:17,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 13:26:17,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:17,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:26:17,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-03-26 13:26:17,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 13:26:17,215 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:158, output treesize:157 [2021-03-26 13:26:17,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:26:17,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-03-26 13:26:17,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 13:26:17,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:17,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 13:26:17,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-03-26 13:26:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:26:17,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 13:26:17,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-26 13:26:17,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165195707] [2021-03-26 13:26:17,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 13:26:17,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:17,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 13:26:17,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-26 13:26:17,336 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 246 [2021-03-26 13:26:17,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 2033 transitions, 95971 flow. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 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) [2021-03-26 13:26:17,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:17,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 246 [2021-03-26 13:26:17,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-26 13:26:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:26:21,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139,111 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 13:26:21,564 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 13:26:21,567 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 13:26:21,567 INFO L202 PluginConnector]: Adding new model array_even_odd.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 01:26:21 BasicIcfg [2021-03-26 13:26:21,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 13:26:21,568 INFO L168 Benchmark]: Toolchain (without parser) took 869193.33 ms. Allocated memory was 341.8 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 321.7 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-03-26 13:26:21,568 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 341.8 MB. Free memory is still 322.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:26:21,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.22 ms. Allocated memory is still 341.8 MB. Free memory was 321.7 MB in the beginning and 320.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 13:26:21,568 INFO L168 Benchmark]: Boogie Preprocessor took 12.21 ms. Allocated memory is still 341.8 MB. Free memory was 320.1 MB in the beginning and 319.2 MB in the end (delta: 850.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 13:26:21,568 INFO L168 Benchmark]: RCFGBuilder took 199.86 ms. Allocated memory is still 341.8 MB. Free memory was 319.1 MB in the beginning and 310.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-26 13:26:21,568 INFO L168 Benchmark]: TraceAbstraction took 868952.05 ms. Allocated memory was 341.8 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 309.6 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-03-26 13:26:21,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 341.8 MB. Free memory is still 322.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.22 ms. Allocated memory is still 341.8 MB. Free memory was 321.7 MB in the beginning and 320.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.21 ms. Allocated memory is still 341.8 MB. Free memory was 320.1 MB in the beginning and 319.2 MB in the end (delta: 850.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 199.86 ms. Allocated memory is still 341.8 MB. Free memory was 319.1 MB in the beginning and 310.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 868952.05 ms. Allocated memory was 341.8 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 309.6 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 338.6ms, 22 PlacesBefore, 17 PlacesAfterwards, 17 TransitionsBefore, 12 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 67 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 49, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 49, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 49, unknown conditional: 0, unknown unconditional: 49] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.7ms, 16 PlacesBefore, 16 PlacesAfterwards, 12 TransitionsBefore, 12 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8ms, 18 PlacesBefore, 18 PlacesAfterwards, 14 TransitionsBefore, 12 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 52, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.2ms, 23 PlacesBefore, 23 PlacesAfterwards, 19 TransitionsBefore, 18 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1ms, 28 PlacesBefore, 28 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.8ms, 36 PlacesBefore, 35 PlacesAfterwards, 25 TransitionsBefore, 23 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 49, Positive conditional cache size: 2, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0ms, 41 PlacesBefore, 39 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 49, Positive conditional cache size: 2, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5ms, 43 PlacesBefore, 39 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 49, Positive conditional cache size: 2, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.1ms, 46 PlacesBefore, 42 PlacesAfterwards, 30 TransitionsBefore, 29 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 50, Positive conditional cache size: 3, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5ms, 45 PlacesBefore, 41 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 50, Positive conditional cache size: 3, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.0ms, 40 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 28 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 51, Positive conditional cache size: 4, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.3ms, 49 PlacesBefore, 48 PlacesAfterwards, 47 TransitionsBefore, 46 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 51, Positive conditional cache size: 4, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.4ms, 55 PlacesBefore, 54 PlacesAfterwards, 57 TransitionsBefore, 52 TransitionsAfterwards, 116 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 52, Positive conditional cache size: 5, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.5ms, 71 PlacesBefore, 69 PlacesAfterwards, 83 TransitionsBefore, 78 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 5, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 54, Positive conditional cache size: 7, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.9ms, 78 PlacesBefore, 71 PlacesAfterwards, 75 TransitionsBefore, 69 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 55, Positive conditional cache size: 8, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.2ms, 81 PlacesBefore, 75 PlacesAfterwards, 78 TransitionsBefore, 76 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 55, Positive conditional cache size: 8, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.7ms, 90 PlacesBefore, 88 PlacesAfterwards, 101 TransitionsBefore, 96 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 11 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 11, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 62, Positive conditional cache size: 15, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.9ms, 102 PlacesBefore, 96 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 62, Positive conditional cache size: 15, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.6ms, 93 PlacesBefore, 93 PlacesAfterwards, 101 TransitionsBefore, 100 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 62, Positive conditional cache size: 15, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.3ms, 101 PlacesBefore, 98 PlacesAfterwards, 103 TransitionsBefore, 100 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 64, Positive conditional cache size: 17, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.2ms, 107 PlacesBefore, 105 PlacesAfterwards, 111 TransitionsBefore, 108 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 65, Positive conditional cache size: 18, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.1ms, 101 PlacesBefore, 97 PlacesAfterwards, 105 TransitionsBefore, 105 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 65, Positive conditional cache size: 18, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.6ms, 106 PlacesBefore, 105 PlacesAfterwards, 128 TransitionsBefore, 124 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 13, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 72, Positive conditional cache size: 25, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.7ms, 126 PlacesBefore, 124 PlacesAfterwards, 162 TransitionsBefore, 159 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 6, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 75, Positive conditional cache size: 28, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.0ms, 122 PlacesBefore, 120 PlacesAfterwards, 157 TransitionsBefore, 157 TransitionsAfterwards, 324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 75, Positive conditional cache size: 28, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.8ms, 131 PlacesBefore, 128 PlacesAfterwards, 181 TransitionsBefore, 181 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 75, Positive conditional cache size: 28, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.8ms, 137 PlacesBefore, 132 PlacesAfterwards, 183 TransitionsBefore, 183 TransitionsAfterwards, 374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 75, Positive conditional cache size: 28, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.0ms, 133 PlacesBefore, 133 PlacesAfterwards, 185 TransitionsBefore, 184 TransitionsAfterwards, 378 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 75, Positive conditional cache size: 28, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.6ms, 140 PlacesBefore, 136 PlacesAfterwards, 185 TransitionsBefore, 184 TransitionsAfterwards, 378 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 77, Positive conditional cache size: 30, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.6ms, 154 PlacesBefore, 148 PlacesAfterwards, 207 TransitionsBefore, 206 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 78, Positive conditional cache size: 31, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 298.4ms, 159 PlacesBefore, 158 PlacesAfterwards, 254 TransitionsBefore, 249 TransitionsAfterwards, 516 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 13, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 86, Positive cache size: 81, Positive conditional cache size: 34, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.7ms, 167 PlacesBefore, 163 PlacesAfterwards, 263 TransitionsBefore, 260 TransitionsAfterwards, 534 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 83, Positive conditional cache size: 36, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.7ms, 161 PlacesBefore, 159 PlacesAfterwards, 258 TransitionsBefore, 258 TransitionsAfterwards, 524 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 83, Positive conditional cache size: 36, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 215.1ms, 168 PlacesBefore, 168 PlacesAfterwards, 274 TransitionsBefore, 273 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 88, Positive conditional cache size: 41, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.3ms, 174 PlacesBefore, 173 PlacesAfterwards, 275 TransitionsBefore, 274 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 42, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.1ms, 175 PlacesBefore, 174 PlacesAfterwards, 275 TransitionsBefore, 274 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 42, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.1ms, 181 PlacesBefore, 178 PlacesAfterwards, 277 TransitionsBefore, 274 TransitionsAfterwards, 566 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 91, Positive conditional cache size: 44, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.0ms, 183 PlacesBefore, 183 PlacesAfterwards, 292 TransitionsBefore, 291 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 91, Positive conditional cache size: 44, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.4ms, 186 PlacesBefore, 182 PlacesAfterwards, 288 TransitionsBefore, 288 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 91, Positive conditional cache size: 44, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.7ms, 187 PlacesBefore, 183 PlacesAfterwards, 298 TransitionsBefore, 298 TransitionsAfterwards, 608 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 91, Positive conditional cache size: 44, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 117.4ms, 187 PlacesBefore, 187 PlacesAfterwards, 324 TransitionsBefore, 322 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 96, Positive cache size: 91, Positive conditional cache size: 44, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.7ms, 212 PlacesBefore, 208 PlacesAfterwards, 343 TransitionsBefore, 341 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 96, Positive cache size: 91, Positive conditional cache size: 44, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 206.1ms, 213 PlacesBefore, 213 PlacesAfterwards, 430 TransitionsBefore, 422 TransitionsAfterwards, 872 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 8, positive conditional: 8, 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): 96, Positive cache size: 91, Positive conditional cache size: 44, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 380.4ms, 234 PlacesBefore, 233 PlacesAfterwards, 517 TransitionsBefore, 492 TransitionsAfterwards, 1046 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 26 ConcurrentYvCompositions, 0 ChoiceCompositions, 26 TotalNumberOfCompositions, 26 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 92, Positive conditional cache size: 45, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 474.8ms, 240 PlacesBefore, 238 PlacesAfterwards, 471 TransitionsBefore, 467 TransitionsAfterwards, 958 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 10, positive: 4, positive conditional: 4, 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): 103, Positive cache size: 98, Positive conditional cache size: 51, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.8ms, 253 PlacesBefore, 247 PlacesAfterwards, 471 TransitionsBefore, 470 TransitionsAfterwards, 958 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 99, Positive conditional cache size: 52, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 248.3ms, 243 PlacesBefore, 243 PlacesAfterwards, 472 TransitionsBefore, 471 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 99, Positive conditional cache size: 52, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 752.6ms, 251 PlacesBefore, 248 PlacesAfterwards, 474 TransitionsBefore, 471 TransitionsAfterwards, 964 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 101, Positive conditional cache size: 54, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 355.4ms, 253 PlacesBefore, 253 PlacesAfterwards, 506 TransitionsBefore, 502 TransitionsAfterwards, 1028 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 101, Positive conditional cache size: 54, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 372.8ms, 260 PlacesBefore, 255 PlacesAfterwards, 496 TransitionsBefore, 492 TransitionsAfterwards, 1006 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 101, Positive conditional cache size: 54, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 490.3ms, 268 PlacesBefore, 268 PlacesAfterwards, 560 TransitionsBefore, 555 TransitionsAfterwards, 1134 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 7, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 103, Positive conditional cache size: 56, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 392.0ms, 275 PlacesBefore, 273 PlacesAfterwards, 569 TransitionsBefore, 567 TransitionsAfterwards, 1152 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 104, Positive conditional cache size: 57, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 277.1ms, 275 PlacesBefore, 273 PlacesAfterwards, 566 TransitionsBefore, 566 TransitionsAfterwards, 1146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 104, Positive conditional cache size: 57, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 661.1ms, 290 PlacesBefore, 288 PlacesAfterwards, 596 TransitionsBefore, 590 TransitionsAfterwards, 1206 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 111, Positive conditional cache size: 64, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 421.3ms, 307 PlacesBefore, 306 PlacesAfterwards, 606 TransitionsBefore, 597 TransitionsAfterwards, 1226 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 112, Positive conditional cache size: 65, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 483.1ms, 303 PlacesBefore, 298 PlacesAfterwards, 586 TransitionsBefore, 585 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 112, Positive conditional cache size: 65, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 447.2ms, 315 PlacesBefore, 309 PlacesAfterwards, 608 TransitionsBefore, 607 TransitionsAfterwards, 1230 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 113, Positive conditional cache size: 66, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 356.4ms, 317 PlacesBefore, 312 PlacesAfterwards, 612 TransitionsBefore, 612 TransitionsAfterwards, 1238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 113, Positive conditional cache size: 66, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 935.9ms, 319 PlacesBefore, 318 PlacesAfterwards, 630 TransitionsBefore, 627 TransitionsAfterwards, 1282 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 122, Positive conditional cache size: 75, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 486.1ms, 334 PlacesBefore, 333 PlacesAfterwards, 668 TransitionsBefore, 663 TransitionsAfterwards, 1358 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, 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: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 122, Positive conditional cache size: 75, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 376.8ms, 329 PlacesBefore, 327 PlacesAfterwards, 660 TransitionsBefore, 660 TransitionsAfterwards, 1340 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 122, Positive conditional cache size: 75, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 410.4ms, 336 PlacesBefore, 330 PlacesAfterwards, 658 TransitionsBefore, 658 TransitionsAfterwards, 1334 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 122, Positive conditional cache size: 75, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 440.6ms, 328 PlacesBefore, 328 PlacesAfterwards, 660 TransitionsBefore, 659 TransitionsAfterwards, 1338 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 122, Positive conditional cache size: 75, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 774.4ms, 347 PlacesBefore, 345 PlacesAfterwards, 728 TransitionsBefore, 720 TransitionsAfterwards, 1474 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 123, Positive conditional cache size: 76, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 854.4ms, 350 PlacesBefore, 347 PlacesAfterwards, 732 TransitionsBefore, 728 TransitionsAfterwards, 1482 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 124, Positive conditional cache size: 77, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1180.4ms, 371 PlacesBefore, 369 PlacesAfterwards, 876 TransitionsBefore, 866 TransitionsAfterwards, 1768 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 133, Positive cache size: 128, Positive conditional cache size: 81, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 980.2ms, 374 PlacesBefore, 370 PlacesAfterwards, 874 TransitionsBefore, 874 TransitionsAfterwards, 1766 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 135, Positive cache size: 130, Positive conditional cache size: 83, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1118.7ms, 376 PlacesBefore, 373 PlacesAfterwards, 879 TransitionsBefore, 876 TransitionsAfterwards, 1776 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 132, Positive conditional cache size: 85, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 876.1ms, 377 PlacesBefore, 377 PlacesAfterwards, 892 TransitionsBefore, 891 TransitionsAfterwards, 1802 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 132, Positive conditional cache size: 85, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2311.2ms, 390 PlacesBefore, 387 PlacesAfterwards, 910 TransitionsBefore, 906 TransitionsAfterwards, 1842 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 139, Positive conditional cache size: 92, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1712.8ms, 403 PlacesBefore, 400 PlacesAfterwards, 931 TransitionsBefore, 927 TransitionsAfterwards, 1884 CoEnabledTransitionPairs, 4 FixpointIterations, 2 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 9, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 144, Positive conditional cache size: 97, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 687.1ms, 398 PlacesBefore, 395 PlacesAfterwards, 924 TransitionsBefore, 924 TransitionsAfterwards, 1868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 144, Positive conditional cache size: 97, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 827.6ms, 397 PlacesBefore, 394 PlacesAfterwards, 922 TransitionsBefore, 922 TransitionsAfterwards, 1864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 144, Positive conditional cache size: 97, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1022.2ms, 399 PlacesBefore, 399 PlacesAfterwards, 941 TransitionsBefore, 939 TransitionsAfterwards, 1902 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 149, Positive cache size: 144, Positive conditional cache size: 97, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3151.4ms, 413 PlacesBefore, 410 PlacesAfterwards, 957 TransitionsBefore, 953 TransitionsAfterwards, 1938 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 149, Positive conditional cache size: 102, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1153.4ms, 421 PlacesBefore, 417 PlacesAfterwards, 998 TransitionsBefore, 998 TransitionsAfterwards, 2020 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 149, Positive conditional cache size: 102, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 924.3ms, 415 PlacesBefore, 413 PlacesAfterwards, 996 TransitionsBefore, 996 TransitionsAfterwards, 2014 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 149, Positive conditional cache size: 102, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1102.0ms, 415 PlacesBefore, 415 PlacesAfterwards, 998 TransitionsBefore, 997 TransitionsAfterwards, 2018 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 149, Positive conditional cache size: 102, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2043.6ms, 426 PlacesBefore, 421 PlacesAfterwards, 1009 TransitionsBefore, 1008 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 152, Positive conditional cache size: 105, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 884.6ms, 431 PlacesBefore, 428 PlacesAfterwards, 1022 TransitionsBefore, 1022 TransitionsAfterwards, 2068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 152, Positive conditional cache size: 105, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1116.8ms, 430 PlacesBefore, 430 PlacesAfterwards, 1024 TransitionsBefore, 1023 TransitionsAfterwards, 2072 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 152, Positive conditional cache size: 105, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2354.5ms, 441 PlacesBefore, 436 PlacesAfterwards, 1035 TransitionsBefore, 1034 TransitionsAfterwards, 2096 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 155, Positive conditional cache size: 108, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1369.3ms, 444 PlacesBefore, 438 PlacesAfterwards, 1034 TransitionsBefore, 1034 TransitionsAfterwards, 2094 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 155, Positive conditional cache size: 108, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1231.5ms, 435 PlacesBefore, 435 PlacesAfterwards, 1036 TransitionsBefore, 1035 TransitionsAfterwards, 2098 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 155, Positive conditional cache size: 108, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1732.7ms, 452 PlacesBefore, 450 PlacesAfterwards, 1069 TransitionsBefore, 1063 TransitionsAfterwards, 2164 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 161, Positive cache size: 156, Positive conditional cache size: 109, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 942.5ms, 448 PlacesBefore, 444 PlacesAfterwards, 1059 TransitionsBefore, 1059 TransitionsAfterwards, 2144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 161, Positive cache size: 156, Positive conditional cache size: 109, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2546.4ms, 451 PlacesBefore, 446 PlacesAfterwards, 1071 TransitionsBefore, 1070 TransitionsAfterwards, 2170 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 159, Positive conditional cache size: 112, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2112.4ms, 462 PlacesBefore, 460 PlacesAfterwards, 1094 TransitionsBefore, 1090 TransitionsAfterwards, 2216 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 9, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 164, Positive conditional cache size: 117, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1450.6ms, 462 PlacesBefore, 461 PlacesAfterwards, 1091 TransitionsBefore, 1090 TransitionsAfterwards, 2210 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 165, Positive conditional cache size: 118, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 982.8ms, 462 PlacesBefore, 459 PlacesAfterwards, 1088 TransitionsBefore, 1088 TransitionsAfterwards, 2204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 165, Positive conditional cache size: 118, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2528.3ms, 470 PlacesBefore, 465 PlacesAfterwards, 1100 TransitionsBefore, 1099 TransitionsAfterwards, 2230 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 168, Positive conditional cache size: 121, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1031.6ms, 472 PlacesBefore, 466 PlacesAfterwards, 1098 TransitionsBefore, 1098 TransitionsAfterwards, 2226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 168, Positive conditional cache size: 121, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1410.1ms, 467 PlacesBefore, 467 PlacesAfterwards, 1118 TransitionsBefore, 1117 TransitionsAfterwards, 2266 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 168, Positive conditional cache size: 121, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4897.6ms, 477 PlacesBefore, 474 PlacesAfterwards, 1136 TransitionsBefore, 1132 TransitionsAfterwards, 2306 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 173, Positive conditional cache size: 126, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2127.5ms, 491 PlacesBefore, 488 PlacesAfterwards, 1179 TransitionsBefore, 1174 TransitionsAfterwards, 2392 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 179, Positive cache size: 174, Positive conditional cache size: 127, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1262.2ms, 481 PlacesBefore, 479 PlacesAfterwards, 1170 TransitionsBefore, 1170 TransitionsAfterwards, 2372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 179, Positive cache size: 174, Positive conditional cache size: 127, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1757.0ms, 485 PlacesBefore, 485 PlacesAfterwards, 1189 TransitionsBefore, 1188 TransitionsAfterwards, 2410 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 179, Positive cache size: 174, Positive conditional cache size: 127, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5966.5ms, 499 PlacesBefore, 497 PlacesAfterwards, 1207 TransitionsBefore, 1204 TransitionsAfterwards, 2450 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 9, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 184, Positive cache size: 179, Positive conditional cache size: 132, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4782.6ms, 515 PlacesBefore, 511 PlacesAfterwards, 1227 TransitionsBefore, 1222 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 4 FixpointIterations, 2 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 186, Positive conditional cache size: 139, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1155.5ms, 506 PlacesBefore, 503 PlacesAfterwards, 1219 TransitionsBefore, 1219 TransitionsAfterwards, 2472 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 186, Positive conditional cache size: 139, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1103.0ms, 505 PlacesBefore, 502 PlacesAfterwards, 1217 TransitionsBefore, 1217 TransitionsAfterwards, 2468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 186, Positive conditional cache size: 139, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1520.2ms, 503 PlacesBefore, 503 PlacesAfterwards, 1219 TransitionsBefore, 1218 TransitionsAfterwards, 2472 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 186, Positive conditional cache size: 139, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2694.3ms, 515 PlacesBefore, 511 PlacesAfterwards, 1230 TransitionsBefore, 1230 TransitionsAfterwards, 2496 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 193, Positive cache size: 188, Positive conditional cache size: 141, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1293.8ms, 519 PlacesBefore, 513 PlacesAfterwards, 1229 TransitionsBefore, 1229 TransitionsAfterwards, 2494 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 193, Positive cache size: 188, Positive conditional cache size: 141, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2554.9ms, 526 PlacesBefore, 524 PlacesAfterwards, 1277 TransitionsBefore, 1272 TransitionsAfterwards, 2590 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 194, Positive cache size: 189, Positive conditional cache size: 142, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1757.7ms, 528 PlacesBefore, 526 PlacesAfterwards, 1290 TransitionsBefore, 1288 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 190, Positive conditional cache size: 143, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2190.3ms, 539 PlacesBefore, 534 PlacesAfterwards, 1298 TransitionsBefore, 1298 TransitionsAfterwards, 2632 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 191, Positive conditional cache size: 144, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3214.7ms, 542 PlacesBefore, 537 PlacesAfterwards, 1310 TransitionsBefore, 1308 TransitionsAfterwards, 2658 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 201, Positive cache size: 196, Positive conditional cache size: 149, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2445.0ms, 546 PlacesBefore, 545 PlacesAfterwards, 1372 TransitionsBefore, 1369 TransitionsAfterwards, 2780 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 201, Positive cache size: 196, Positive conditional cache size: 149, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2947.7ms, 558 PlacesBefore, 556 PlacesAfterwards, 1386 TransitionsBefore, 1378 TransitionsAfterwards, 2808 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 201, Positive conditional cache size: 154, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2924.6ms, 574 PlacesBefore, 573 PlacesAfterwards, 1556 TransitionsBefore, 1553 TransitionsAfterwards, 3150 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 202, Positive conditional cache size: 155, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2787.0ms, 571 PlacesBefore, 571 PlacesAfterwards, 1555 TransitionsBefore, 1553 TransitionsAfterwards, 3148 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 207, Positive cache size: 202, Positive conditional cache size: 155, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3579.6ms, 579 PlacesBefore, 576 PlacesAfterwards, 1553 TransitionsBefore, 1550 TransitionsAfterwards, 3144 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 204, Positive conditional cache size: 157, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4149.8ms, 586 PlacesBefore, 584 PlacesAfterwards, 1562 TransitionsBefore, 1559 TransitionsAfterwards, 3162 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 212, Positive cache size: 207, Positive conditional cache size: 160, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2090.6ms, 586 PlacesBefore, 582 PlacesAfterwards, 1556 TransitionsBefore, 1556 TransitionsAfterwards, 3150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 212, Positive cache size: 207, Positive conditional cache size: 160, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2972.7ms, 584 PlacesBefore, 579 PlacesAfterwards, 1553 TransitionsBefore, 1553 TransitionsAfterwards, 3144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 212, Positive cache size: 207, Positive conditional cache size: 160, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2143.4ms, 596 PlacesBefore, 591 PlacesAfterwards, 1604 TransitionsBefore, 1604 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 212, Positive cache size: 207, Positive conditional cache size: 160, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3421.3ms, 602 PlacesBefore, 601 PlacesAfterwards, 1627 TransitionsBefore, 1625 TransitionsAfterwards, 3292 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 212, Positive cache size: 207, Positive conditional cache size: 160, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3827.3ms, 632 PlacesBefore, 624 PlacesAfterwards, 1750 TransitionsBefore, 1748 TransitionsAfterwards, 3538 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 212, Positive cache size: 207, Positive conditional cache size: 160, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3490.6ms, 632 PlacesBefore, 628 PlacesAfterwards, 1760 TransitionsBefore, 1759 TransitionsAfterwards, 3558 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 209, Positive conditional cache size: 162, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6439.9ms, 646 PlacesBefore, 644 PlacesAfterwards, 1866 TransitionsBefore, 1854 TransitionsAfterwards, 3770 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 0 ChoiceCompositions, 16 TotalNumberOfCompositions, 16 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 16, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 214, Positive conditional cache size: 167, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4924.2ms, 654 PlacesBefore, 650 PlacesAfterwards, 1862 TransitionsBefore, 1859 TransitionsAfterwards, 3762 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 216, Positive conditional cache size: 169, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3156.1ms, 646 PlacesBefore, 643 PlacesAfterwards, 1857 TransitionsBefore, 1857 TransitionsAfterwards, 3752 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 216, Positive conditional cache size: 169, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8959.6ms, 654 PlacesBefore, 653 PlacesAfterwards, 1879 TransitionsBefore, 1875 TransitionsAfterwards, 3796 CoEnabledTransitionPairs, 4 FixpointIterations, 2 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 220, Positive conditional cache size: 173, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5799.8ms, 666 PlacesBefore, 661 PlacesAfterwards, 1915 TransitionsBefore, 1914 TransitionsAfterwards, 3868 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 220, Positive conditional cache size: 173, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3845.5ms, 659 PlacesBefore, 657 PlacesAfterwards, 1912 TransitionsBefore, 1912 TransitionsAfterwards, 3862 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 220, Positive conditional cache size: 173, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3231.5ms, 666 PlacesBefore, 661 PlacesAfterwards, 1913 TransitionsBefore, 1913 TransitionsAfterwards, 3864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 220, Positive conditional cache size: 173, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4328.1ms, 662 PlacesBefore, 662 PlacesAfterwards, 1915 TransitionsBefore, 1914 TransitionsAfterwards, 3868 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 220, Positive conditional cache size: 173, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6668.5ms, 674 PlacesBefore, 671 PlacesAfterwards, 1936 TransitionsBefore, 1933 TransitionsAfterwards, 3910 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 221, Positive conditional cache size: 174, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4409.5ms, 679 PlacesBefore, 672 PlacesAfterwards, 1929 TransitionsBefore, 1924 TransitionsAfterwards, 3896 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 222, Positive conditional cache size: 175, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7216.2ms, 680 PlacesBefore, 679 PlacesAfterwards, 1939 TransitionsBefore, 1936 TransitionsAfterwards, 3916 CoEnabledTransitionPairs, 4 FixpointIterations, 2 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 9, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 227, Positive conditional cache size: 180, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5939.1ms, 692 PlacesBefore, 691 PlacesAfterwards, 1956 TransitionsBefore, 1953 TransitionsAfterwards, 3950 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 5, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 229, Positive conditional cache size: 182, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3376.9ms, 691 PlacesBefore, 689 PlacesAfterwards, 1951 TransitionsBefore, 1951 TransitionsAfterwards, 3940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 229, Positive conditional cache size: 182, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4998.8ms, 693 PlacesBefore, 693 PlacesAfterwards, 1954 TransitionsBefore, 1953 TransitionsAfterwards, 3946 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 234, Positive cache size: 229, Positive conditional cache size: 182, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3414.5ms, 703 PlacesBefore, 697 PlacesAfterwards, 1951 TransitionsBefore, 1951 TransitionsAfterwards, 3940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 229, Positive conditional cache size: 182, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4537.5ms, 698 PlacesBefore, 698 PlacesAfterwards, 1973 TransitionsBefore, 1971 TransitionsAfterwards, 3984 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, 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): 234, Positive cache size: 229, Positive conditional cache size: 182, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3913.6ms, 704 PlacesBefore, 699 PlacesAfterwards, 1967 TransitionsBefore, 1967 TransitionsAfterwards, 3972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 229, Positive conditional cache size: 182, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7795.0ms, 709 PlacesBefore, 707 PlacesAfterwards, 1987 TransitionsBefore, 1977 TransitionsAfterwards, 4012 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 14 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 14, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 234, Positive conditional cache size: 187, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6923.9ms, 735 PlacesBefore, 726 PlacesAfterwards, 2034 TransitionsBefore, 2032 TransitionsAfterwards, 4106 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 234, Positive conditional cache size: 187, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5378.5ms, 718 PlacesBefore, 718 PlacesAfterwards, 2034 TransitionsBefore, 2033 TransitionsAfterwards, 4106 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 234, Positive conditional cache size: 187, Positive unconditional cache size: 47, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 32]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 32). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (10states, 7/246 universal loopers) in iteration 140,while PetriNetUnfolder was constructing finite prefix that currently has 14437 conditions, 429 events (111/428 cut-off events. For 128441/134605 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 4370 event pairs, 0 based on Foata normal form. 37/693 useless extension candidates. Maximal degree in co-relation 14146. Up to 418 conditions per place.). - TimeoutResultAtElement [Line: 22]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 22). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (10states, 7/246 universal loopers) in iteration 140,while PetriNetUnfolder was constructing finite prefix that currently has 14437 conditions, 429 events (111/428 cut-off events. For 128441/134605 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 4370 event pairs, 0 based on Foata normal form. 37/693 useless extension candidates. Maximal degree in co-relation 14146. Up to 418 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 868852.3ms, OverallIterations: 140, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 560560.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 399.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1916 SDtfs, 953 SDslu, 0 SDs, 0 SdLazy, 42089 SolverSat, 3403 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 95313.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1882 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 1651 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5878 ImplicationChecksByTransitivity, 36045.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96339occurred in iteration=138, InterpolantAutomatonStates: 1554, 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: 256.9ms SsaConstructionTime, 733.4ms SatisfiabilityAnalysisTime, 45911.4ms InterpolantComputationTime, 2053 NumberOfCodeBlocks, 2053 NumberOfCodeBlocksAsserted, 257 NumberOfCheckSat, 1803 ConstructedInterpolants, 94 QuantifiedInterpolants, 30699 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2465 ConjunctsInSsa, 1151 ConjunctsInUnsatCore, 250 InterpolantComputations, 44 PerfectInterpolantSequences, 177/735 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