/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/array_even_odd.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 17:38:51,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 17:38:51,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 17:38:51,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 17:38:51,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 17:38:51,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 17:38:51,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 17:38:51,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 17:38:51,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 17:38:51,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 17:38:51,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 17:38:51,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 17:38:51,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 17:38:51,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 17:38:51,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 17:38:51,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 17:38:51,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 17:38:51,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 17:38:51,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 17:38:51,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 17:38:51,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 17:38:51,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 17:38:51,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 17:38:51,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 17:38:51,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 17:38:51,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 17:38:51,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 17:38:51,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 17:38:51,975 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-RepeatedSemanticLbe.epf [2021-03-25 17:38:52,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 17:38:52,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 17:38:52,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 17:38:52,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 17:38:52,010 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 17:38:52,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 17:38:52,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 17:38:52,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 17:38:52,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 17:38:52,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 17:38:52,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 17:38:52,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 17:38:52,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 17:38:52,012 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 17:38:52,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 17:38:52,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 17:38:52,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 17:38:52,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 17:38:52,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 17:38:52,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 17:38:52,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 17:38:52,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 17:38:52,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 17:38:52,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 17:38:52,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 17:38:52,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 17:38:52,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 17:38:52,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 17:38:52,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 17:38:52,014 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 17:38:52,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 17:38:52,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 17:38:52,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 17:38:52,350 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 17:38:52,351 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 17:38:52,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/array_even_odd.bpl [2021-03-25 17:38:52,352 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/array_even_odd.bpl' [2021-03-25 17:38:52,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 17:38:52,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 17:38:52,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 17:38:52,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 17:38:52,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 17:38:52,394 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 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,401 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 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 17:38:52,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 17:38:52,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 17:38:52,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 17:38:52,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (1/1) ... [2021-03-25 17:38:52,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 17:38:52,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 17:38:52,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 17:38:52,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 17:38:52,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (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 [2021-03-25 17:38:52,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bar given in one single declaration [2021-03-25 17:38:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-03-25 17:38:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-03-25 17:38:52,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-03-25 17:38:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-25 17:38:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-25 17:38:52,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 17:38:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 17:38:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 17:38:52,517 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 17:38:52,633 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 17:38:52,633 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-03-25 17:38:52,635 INFO L202 PluginConnector]: Adding new model array_even_odd.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:38:52 BoogieIcfgContainer [2021-03-25 17:38:52,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 17:38:52,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 17:38:52,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 17:38:52,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 17:38:52,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 05:38:52" (1/2) ... [2021-03-25 17:38:52,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a19554 and model type array_even_odd.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:38:52, skipping insertion in model container [2021-03-25 17:38:52,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array_even_odd.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:38:52" (2/2) ... [2021-03-25 17:38:52,642 INFO L111 eAbstractionObserver]: Analyzing ICFG array_even_odd.bpl [2021-03-25 17:38:52,649 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 17:38:52,653 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 17:38:52,653 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 17:38:52,712 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 17:38:52,729 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 17:38:52,760 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 17:38:52,760 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 17:38:52,760 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 17:38:52,760 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 17:38:52,760 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 17:38:52,760 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 17:38:52,760 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 17:38:52,760 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 17:38:52,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 48 flow [2021-03-25 17:38:52,791 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-03-25 17:38:52,792 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 17:38:52,795 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. [2021-03-25 17:38:52,795 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 19 transitions, 48 flow [2021-03-25 17:38:52,800 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 17 transitions, 40 flow [2021-03-25 17:38:52,801 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:52,813 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 17 transitions, 40 flow [2021-03-25 17:38:52,817 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 17 transitions, 40 flow [2021-03-25 17:38:52,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 17 transitions, 40 flow [2021-03-25 17:38:52,825 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-03-25 17:38:52,825 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 17:38:52,826 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. [2021-03-25 17:38:52,828 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-25 17:38:53,205 INFO L154 LiptonReduction]: Checked pairs total: 67 [2021-03-25 17:38:53,205 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 17:38:53,208 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-03-25 17:38:53,224 INFO L129 PetriNetUnfolder]: 2/8 cut-off events. [2021-03-25 17:38:53,225 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 17:38:53,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:53,225 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-25 17:38:53,226 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:53,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:53,232 INFO L82 PathProgramCache]: Analyzing trace with hash 2733597, now seen corresponding path program 1 times [2021-03-25 17:38:53,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:53,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399334800] [2021-03-25 17:38:53,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:53,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 17:38:53,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:53,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399334800] [2021-03-25 17:38:53,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:38:53,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 17:38:53,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756303385] [2021-03-25 17:38:53,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 17:38:53,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:53,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 17:38:53,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 17:38:53,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 26 [2021-03-25 17:38:53,349 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) [2021-03-25 17:38:53,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:53,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 26 [2021-03-25 17:38:53,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:53,378 INFO L129 PetriNetUnfolder]: 10/25 cut-off events. [2021-03-25 17:38:53,378 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 17:38:53,378 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. [2021-03-25 17:38:53,379 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 7 selfloop transitions, 3 changer transitions 0/13 dead transitions. [2021-03-25 17:38:53,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 13 transitions, 52 flow [2021-03-25 17:38:53,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 17:38:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 17:38:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2021-03-25 17:38:53,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5256410256410257 [2021-03-25 17:38:53,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 41 transitions. [2021-03-25 17:38:53,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 41 transitions. [2021-03-25 17:38:53,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:53,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 41 transitions. [2021-03-25 17:38:53,393 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) [2021-03-25 17:38:53,396 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) [2021-03-25 17:38:53,396 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) [2021-03-25 17:38:53,398 INFO L185 Difference]: Start difference. First operand has 17 places, 12 transitions, 30 flow. Second operand 3 states and 41 transitions. [2021-03-25 17:38:53,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 13 transitions, 52 flow [2021-03-25 17:38:53,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 13 transitions, 50 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 17:38:53,401 INFO L241 Difference]: Finished difference. Result has 16 places, 12 transitions, 43 flow [2021-03-25 17:38:53,403 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} [2021-03-25 17:38:53,403 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, -1 predicate places. [2021-03-25 17:38:53,404 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:53,404 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 16 places, 12 transitions, 43 flow [2021-03-25 17:38:53,404 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 16 places, 12 transitions, 43 flow [2021-03-25 17:38:53,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 16 places, 12 transitions, 43 flow [2021-03-25 17:38:53,408 INFO L129 PetriNetUnfolder]: 6/19 cut-off events. [2021-03-25 17:38:53,408 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 17:38:53,408 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. [2021-03-25 17:38:53,409 INFO L142 LiptonReduction]: Number of co-enabled transitions 30 [2021-03-25 17:38:53,419 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-25 17:38:53,419 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:38:53,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 17:38:53,421 INFO L480 AbstractCegarLoop]: Abstraction has has 16 places, 12 transitions, 43 flow [2021-03-25 17:38:53,421 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) [2021-03-25 17:38:53,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:53,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-25 17:38:53,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 17:38:53,422 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:53,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:53,423 INFO L82 PathProgramCache]: Analyzing trace with hash 84749950, now seen corresponding path program 1 times [2021-03-25 17:38:53,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:53,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445160635] [2021-03-25 17:38:53,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:53,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 17:38:53,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:53,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445160635] [2021-03-25 17:38:53,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:38:53,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 17:38:53,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397479155] [2021-03-25 17:38:53,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 17:38:53,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:53,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 17:38:53,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 17:38:53,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 26 [2021-03-25 17:38:53,444 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) [2021-03-25 17:38:53,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:53,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 26 [2021-03-25 17:38:53,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:53,461 INFO L129 PetriNetUnfolder]: 10/24 cut-off events. [2021-03-25 17:38:53,461 INFO L130 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2021-03-25 17:38:53,461 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. [2021-03-25 17:38:53,462 INFO L132 encePairwiseOnDemand]: 22/26 looper letters, 8 selfloop transitions, 4 changer transitions 0/15 dead transitions. [2021-03-25 17:38:53,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 15 transitions, 78 flow [2021-03-25 17:38:53,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 17:38:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 17:38:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2021-03-25 17:38:53,463 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2021-03-25 17:38:53,463 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 38 transitions. [2021-03-25 17:38:53,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 38 transitions. [2021-03-25 17:38:53,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:53,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 38 transitions. [2021-03-25 17:38:53,464 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) [2021-03-25 17:38:53,465 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) [2021-03-25 17:38:53,465 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) [2021-03-25 17:38:53,465 INFO L185 Difference]: Start difference. First operand has 16 places, 12 transitions, 43 flow. Second operand 3 states and 38 transitions. [2021-03-25 17:38:53,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 15 transitions, 78 flow [2021-03-25 17:38:53,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 15 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 17:38:53,467 INFO L241 Difference]: Finished difference. Result has 18 places, 14 transitions, 64 flow [2021-03-25 17:38:53,467 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} [2021-03-25 17:38:53,468 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 1 predicate places. [2021-03-25 17:38:53,468 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:53,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 14 transitions, 64 flow [2021-03-25 17:38:53,469 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 14 transitions, 64 flow [2021-03-25 17:38:53,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 18 places, 14 transitions, 64 flow [2021-03-25 17:38:53,473 INFO L129 PetriNetUnfolder]: 10/24 cut-off events. [2021-03-25 17:38:53,473 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-25 17:38:53,473 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. [2021-03-25 17:38:53,474 INFO L142 LiptonReduction]: Number of co-enabled transitions 26 [2021-03-25 17:38:53,476 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:38:53,476 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:38:53,476 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 17:38:53,477 INFO L480 AbstractCegarLoop]: Abstraction has has 18 places, 12 transitions, 50 flow [2021-03-25 17:38:53,477 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) [2021-03-25 17:38:53,477 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:53,477 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:38:53,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 17:38:53,477 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:53,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:53,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1667971882, now seen corresponding path program 1 times [2021-03-25 17:38:53,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:53,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718312161] [2021-03-25 17:38:53,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:53,515 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:38:53,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:38:53,524 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:53,527 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:53,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:53,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718312161] [2021-03-25 17:38:53,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:38:53,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:38:53,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203283358] [2021-03-25 17:38:53,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:38:53,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:53,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:38:53,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:38:53,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2021-03-25 17:38:53,564 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) [2021-03-25 17:38:53,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:53,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2021-03-25 17:38:53,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:53,594 INFO L129 PetriNetUnfolder]: 15/35 cut-off events. [2021-03-25 17:38:53,594 INFO L130 PetriNetUnfolder]: For 31/41 co-relation queries the response was YES. [2021-03-25 17:38:53,594 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. [2021-03-25 17:38:53,595 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 8 selfloop transitions, 10 changer transitions 0/21 dead transitions. [2021-03-25 17:38:53,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 21 transitions, 131 flow [2021-03-25 17:38:53,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:38:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:38:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2021-03-25 17:38:53,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3923076923076923 [2021-03-25 17:38:53,597 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 51 transitions. [2021-03-25 17:38:53,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 51 transitions. [2021-03-25 17:38:53,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:53,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 51 transitions. [2021-03-25 17:38:53,598 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) [2021-03-25 17:38:53,598 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) [2021-03-25 17:38:53,598 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) [2021-03-25 17:38:53,599 INFO L185 Difference]: Start difference. First operand has 18 places, 12 transitions, 50 flow. Second operand 5 states and 51 transitions. [2021-03-25 17:38:53,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 21 transitions, 131 flow [2021-03-25 17:38:53,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 21 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 17:38:53,601 INFO L241 Difference]: Finished difference. Result has 23 places, 19 transitions, 120 flow [2021-03-25 17:38:53,601 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} [2021-03-25 17:38:53,601 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 6 predicate places. [2021-03-25 17:38:53,601 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:53,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 19 transitions, 120 flow [2021-03-25 17:38:53,602 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 19 transitions, 120 flow [2021-03-25 17:38:53,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 19 transitions, 120 flow [2021-03-25 17:38:53,608 INFO L129 PetriNetUnfolder]: 15/35 cut-off events. [2021-03-25 17:38:53,608 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-03-25 17:38:53,608 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. [2021-03-25 17:38:53,609 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-25 17:38:53,611 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:38:53,612 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:38:53,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-25 17:38:53,613 INFO L480 AbstractCegarLoop]: Abstraction has has 23 places, 18 transitions, 111 flow [2021-03-25 17:38:53,613 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) [2021-03-25 17:38:53,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:53,613 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:38:53,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 17:38:53,613 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:53,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:53,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1667718215, now seen corresponding path program 1 times [2021-03-25 17:38:53,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:53,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149837224] [2021-03-25 17:38:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:53,639 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:38:53,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:38:53,645 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:53,646 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:53,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:53,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149837224] [2021-03-25 17:38:53,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:38:53,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:38:53,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252103701] [2021-03-25 17:38:53,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:38:53,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:53,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:38:53,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:38:53,665 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2021-03-25 17:38:53,665 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) [2021-03-25 17:38:53,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:53,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2021-03-25 17:38:53,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:53,692 INFO L129 PetriNetUnfolder]: 15/36 cut-off events. [2021-03-25 17:38:53,692 INFO L130 PetriNetUnfolder]: For 57/70 co-relation queries the response was YES. [2021-03-25 17:38:53,692 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. [2021-03-25 17:38:53,693 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 9 selfloop transitions, 10 changer transitions 0/22 dead transitions. [2021-03-25 17:38:53,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 178 flow [2021-03-25 17:38:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:38:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:38:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2021-03-25 17:38:53,695 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3923076923076923 [2021-03-25 17:38:53,695 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 51 transitions. [2021-03-25 17:38:53,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 51 transitions. [2021-03-25 17:38:53,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:53,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 51 transitions. [2021-03-25 17:38:53,696 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) [2021-03-25 17:38:53,696 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) [2021-03-25 17:38:53,696 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) [2021-03-25 17:38:53,697 INFO L185 Difference]: Start difference. First operand has 23 places, 18 transitions, 111 flow. Second operand 5 states and 51 transitions. [2021-03-25 17:38:53,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 178 flow [2021-03-25 17:38:53,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 22 transitions, 178 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 17:38:53,699 INFO L241 Difference]: Finished difference. Result has 28 places, 21 transitions, 165 flow [2021-03-25 17:38:53,699 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} [2021-03-25 17:38:53,699 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 11 predicate places. [2021-03-25 17:38:53,700 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:53,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 21 transitions, 165 flow [2021-03-25 17:38:53,700 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 21 transitions, 165 flow [2021-03-25 17:38:53,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 21 transitions, 165 flow [2021-03-25 17:38:53,706 INFO L129 PetriNetUnfolder]: 15/36 cut-off events. [2021-03-25 17:38:53,706 INFO L130 PetriNetUnfolder]: For 73/75 co-relation queries the response was YES. [2021-03-25 17:38:53,706 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. [2021-03-25 17:38:53,707 INFO L142 LiptonReduction]: Number of co-enabled transitions 44 [2021-03-25 17:38:53,711 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:38:53,711 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:38:53,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-25 17:38:53,712 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 20 transitions, 153 flow [2021-03-25 17:38:53,712 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) [2021-03-25 17:38:53,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:53,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:53,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 17:38:53,713 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:53,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:53,713 INFO L82 PathProgramCache]: Analyzing trace with hash -153942339, now seen corresponding path program 1 times [2021-03-25 17:38:53,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:53,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708915186] [2021-03-25 17:38:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:53,737 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:38:53,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:38:53,742 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:53,743 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:53,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:53,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708915186] [2021-03-25 17:38:53,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539234000] [2021-03-25 17:38:53,774 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 [2021-03-25 17:38:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:53,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 17:38:53,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:53,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:53,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:53,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:53,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:53,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:53,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:53,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:53,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:53,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:53,915 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 [2021-03-25 17:38:53,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:53,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:53,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:53,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:53,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:53,931 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:53,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:53,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:53,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:53,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:53,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:53,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:53,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:53,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:53,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:53,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:53,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:38:53,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:38:53,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:53,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:53,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:53,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:53,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:54,003 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 [2021-03-25 17:38:54,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:54,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:54,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:54,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:54,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:54,025 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. [2021-03-25 17:38:54,025 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:38:54,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:54,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:54,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:54,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:54,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:54,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:38:54,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2021-03-25 17:38:54,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405860421] [2021-03-25 17:38:54,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 17:38:54,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:54,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 17:38:54,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:38:54,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2021-03-25 17:38:54,057 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) [2021-03-25 17:38:54,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:54,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2021-03-25 17:38:54,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:54,139 INFO L129 PetriNetUnfolder]: 17/44 cut-off events. [2021-03-25 17:38:54,139 INFO L130 PetriNetUnfolder]: For 118/136 co-relation queries the response was YES. [2021-03-25 17:38:54,140 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. [2021-03-25 17:38:54,141 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 17 selfloop transitions, 10 changer transitions 0/30 dead transitions. [2021-03-25 17:38:54,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 288 flow [2021-03-25 17:38:54,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 17:38:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 17:38:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2021-03-25 17:38:54,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40384615384615385 [2021-03-25 17:38:54,146 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 63 transitions. [2021-03-25 17:38:54,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 63 transitions. [2021-03-25 17:38:54,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:54,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 63 transitions. [2021-03-25 17:38:54,149 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) [2021-03-25 17:38:54,150 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) [2021-03-25 17:38:54,150 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) [2021-03-25 17:38:54,150 INFO L185 Difference]: Start difference. First operand has 28 places, 20 transitions, 153 flow. Second operand 6 states and 63 transitions. [2021-03-25 17:38:54,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 288 flow [2021-03-25 17:38:54,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 30 transitions, 278 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-25 17:38:54,159 INFO L241 Difference]: Finished difference. Result has 36 places, 25 transitions, 225 flow [2021-03-25 17:38:54,160 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} [2021-03-25 17:38:54,160 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 19 predicate places. [2021-03-25 17:38:54,160 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:54,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 25 transitions, 225 flow [2021-03-25 17:38:54,160 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 25 transitions, 225 flow [2021-03-25 17:38:54,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 25 transitions, 225 flow [2021-03-25 17:38:54,173 INFO L129 PetriNetUnfolder]: 17/44 cut-off events. [2021-03-25 17:38:54,173 INFO L130 PetriNetUnfolder]: For 134/134 co-relation queries the response was YES. [2021-03-25 17:38:54,175 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. [2021-03-25 17:38:54,175 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-25 17:38:54,230 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:38:54,231 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:38:54,231 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-25 17:38:54,231 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 23 transitions, 203 flow [2021-03-25 17:38:54,231 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) [2021-03-25 17:38:54,231 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:54,231 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2021-03-25 17:38:54,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:38:54,451 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:54,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:54,452 INFO L82 PathProgramCache]: Analyzing trace with hash -153688672, now seen corresponding path program 2 times [2021-03-25 17:38:54,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:54,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191906012] [2021-03-25 17:38:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:54,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:54,482 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:38:54,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:38:54,488 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:54,489 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:54,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:54,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191906012] [2021-03-25 17:38:54,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981133801] [2021-03-25 17:38:54,508 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 [2021-03-25 17:38:54,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 17:38:54,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 17:38:54,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 17:38:54,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:54,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:54,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:54,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:54,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:54,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:54,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:54,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:54,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:54,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:54,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:54,590 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 [2021-03-25 17:38:54,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:54,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:54,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:54,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:54,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:54,601 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:54,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:54,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:54,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:54,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:54,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:38:54,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:38:54,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:54,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:54,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:54,640 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 [2021-03-25 17:38:54,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:54,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:54,642 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:54,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:54,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:54,652 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. [2021-03-25 17:38:54,652 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:38:54,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:54,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:54,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:54,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:54,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:54,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:54,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:38:54,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2021-03-25 17:38:54,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607510676] [2021-03-25 17:38:54,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 17:38:54,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:54,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 17:38:54,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:38:54,672 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 28 [2021-03-25 17:38:54,673 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) [2021-03-25 17:38:54,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:54,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 28 [2021-03-25 17:38:54,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:54,732 INFO L129 PetriNetUnfolder]: 16/44 cut-off events. [2021-03-25 17:38:54,733 INFO L130 PetriNetUnfolder]: For 186/204 co-relation queries the response was YES. [2021-03-25 17:38:54,733 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. [2021-03-25 17:38:54,733 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 15 selfloop transitions, 7 changer transitions 4/29 dead transitions. [2021-03-25 17:38:54,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 29 transitions, 312 flow [2021-03-25 17:38:54,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 17:38:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 17:38:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2021-03-25 17:38:54,735 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.375 [2021-03-25 17:38:54,735 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 63 transitions. [2021-03-25 17:38:54,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 63 transitions. [2021-03-25 17:38:54,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:54,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 63 transitions. [2021-03-25 17:38:54,736 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) [2021-03-25 17:38:54,736 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) [2021-03-25 17:38:54,736 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) [2021-03-25 17:38:54,736 INFO L185 Difference]: Start difference. First operand has 35 places, 23 transitions, 203 flow. Second operand 6 states and 63 transitions. [2021-03-25 17:38:54,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 29 transitions, 312 flow [2021-03-25 17:38:54,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 297 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-25 17:38:54,739 INFO L241 Difference]: Finished difference. Result has 41 places, 23 transitions, 214 flow [2021-03-25 17:38:54,739 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} [2021-03-25 17:38:54,739 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 24 predicate places. [2021-03-25 17:38:54,739 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:54,740 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 23 transitions, 214 flow [2021-03-25 17:38:54,740 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 23 transitions, 214 flow [2021-03-25 17:38:54,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 23 transitions, 214 flow [2021-03-25 17:38:54,745 INFO L129 PetriNetUnfolder]: 15/40 cut-off events. [2021-03-25 17:38:54,745 INFO L130 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2021-03-25 17:38:54,745 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. [2021-03-25 17:38:54,746 INFO L142 LiptonReduction]: Number of co-enabled transitions 50 [2021-03-25 17:38:54,747 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:38:54,747 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:38:54,747 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 17:38:54,748 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 23 transitions, 214 flow [2021-03-25 17:38:54,748 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) [2021-03-25 17:38:54,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:54,748 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2021-03-25 17:38:54,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:38:54,971 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:54,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:54,972 INFO L82 PathProgramCache]: Analyzing trace with hash -167520308, now seen corresponding path program 2 times [2021-03-25 17:38:54,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:54,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365242106] [2021-03-25 17:38:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:55,007 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-25 17:38:55,008 INFO L147 QuantifierPusher]: treesize reduction 9, result has 35.7 percent of original size 5 [2021-03-25 17:38:55,020 INFO L142 QuantifierPusher]: treesize reduction 19, result has 48.6 percent of original size [2021-03-25 17:38:55,021 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-25 17:38:55,033 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:55,034 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:55,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365242106] [2021-03-25 17:38:55,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105790917] [2021-03-25 17:38:55,053 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 [2021-03-25 17:38:55,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 17:38:55,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 17:38:55,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:38:55,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:55,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:55,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:55,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,099 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 [2021-03-25 17:38:55,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:55,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:55,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:55,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:55,109 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:55,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:38:55,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:55,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:38:55,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:55,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:55,152 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 [2021-03-25 17:38:55,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:55,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:55,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:55,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:38:55,169 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. [2021-03-25 17:38:55,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-25 17:38:55,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:38:55,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:38:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:38:55,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:38:55,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:38:55,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:55,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:38:55,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:38:55,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:38:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:55,229 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 [2021-03-25 17:38:55,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:38:55,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:38:55,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:55,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:55,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:55,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:38:55,255 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. [2021-03-25 17:38:55,255 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:27 [2021-03-25 17:38:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:55,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:55,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:55,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:38:55,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:55,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:38:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:55,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:38:55,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2021-03-25 17:38:55,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980908009] [2021-03-25 17:38:55,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 17:38:55,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:55,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 17:38:55,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:38:55,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 28 [2021-03-25 17:38:55,291 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) [2021-03-25 17:38:55,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:55,291 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 28 [2021-03-25 17:38:55,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:55,359 INFO L129 PetriNetUnfolder]: 19/50 cut-off events. [2021-03-25 17:38:55,359 INFO L130 PetriNetUnfolder]: For 209/226 co-relation queries the response was YES. [2021-03-25 17:38:55,360 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. [2021-03-25 17:38:55,361 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 16 selfloop transitions, 5 changer transitions 9/33 dead transitions. [2021-03-25 17:38:55,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 33 transitions, 376 flow [2021-03-25 17:38:55,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 17:38:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 17:38:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2021-03-25 17:38:55,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3630952380952381 [2021-03-25 17:38:55,362 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 61 transitions. [2021-03-25 17:38:55,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 61 transitions. [2021-03-25 17:38:55,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:55,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 61 transitions. [2021-03-25 17:38:55,363 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) [2021-03-25 17:38:55,364 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) [2021-03-25 17:38:55,365 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) [2021-03-25 17:38:55,365 INFO L185 Difference]: Start difference. First operand has 39 places, 23 transitions, 214 flow. Second operand 6 states and 61 transitions. [2021-03-25 17:38:55,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 33 transitions, 376 flow [2021-03-25 17:38:55,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 33 transitions, 354 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-25 17:38:55,369 INFO L241 Difference]: Finished difference. Result has 43 places, 22 transitions, 214 flow [2021-03-25 17:38:55,369 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} [2021-03-25 17:38:55,369 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 26 predicate places. [2021-03-25 17:38:55,369 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:55,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 22 transitions, 214 flow [2021-03-25 17:38:55,370 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 22 transitions, 214 flow [2021-03-25 17:38:55,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 22 transitions, 214 flow [2021-03-25 17:38:55,375 INFO L129 PetriNetUnfolder]: 15/40 cut-off events. [2021-03-25 17:38:55,376 INFO L130 PetriNetUnfolder]: For 155/155 co-relation queries the response was YES. [2021-03-25 17:38:55,376 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. [2021-03-25 17:38:55,377 INFO L142 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-25 17:38:55,379 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:38:55,379 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:38:55,379 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 17:38:55,381 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 22 transitions, 214 flow [2021-03-25 17:38:55,382 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) [2021-03-25 17:38:55,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:55,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:55,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:38:55,606 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:55,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:55,607 INFO L82 PathProgramCache]: Analyzing trace with hash -153942277, now seen corresponding path program 1 times [2021-03-25 17:38:55,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:55,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465874342] [2021-03-25 17:38:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:55,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:55,633 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-03-25 17:38:55,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:38:55,646 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 17:38:55,647 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-25 17:38:55,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:55,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465874342] [2021-03-25 17:38:55,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978078563] [2021-03-25 17:38:55,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:38:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:55,692 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 17:38:55,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:55,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:55,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:55,732 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 [2021-03-25 17:38:55,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:55,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:55,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:55,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,743 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:55,743 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:55,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:55,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:38:55,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:55,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:55,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:38:55,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:38:55,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:38:55,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:55,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:55,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:55,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:55,791 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 [2021-03-25 17:38:55,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:38:55,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:38:55,795 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:55,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:55,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:38:55,808 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. [2021-03-25 17:38:55,808 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:24 [2021-03-25 17:38:55,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:55,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:38:55,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:55,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:55,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:55,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:38:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:55,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:38:55,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:38:55,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116912215] [2021-03-25 17:38:55,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:38:55,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:55,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:38:55,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:38:55,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 28 [2021-03-25 17:38:55,832 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) [2021-03-25 17:38:55,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:55,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 28 [2021-03-25 17:38:55,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:55,980 INFO L129 PetriNetUnfolder]: 26/67 cut-off events. [2021-03-25 17:38:55,980 INFO L130 PetriNetUnfolder]: For 339/346 co-relation queries the response was YES. [2021-03-25 17:38:55,980 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. [2021-03-25 17:38:55,981 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 14 selfloop transitions, 19 changer transitions 9/45 dead transitions. [2021-03-25 17:38:55,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 45 transitions, 548 flow [2021-03-25 17:38:55,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 17:38:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 17:38:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 111 transitions. [2021-03-25 17:38:55,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36038961038961037 [2021-03-25 17:38:55,982 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 111 transitions. [2021-03-25 17:38:55,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 111 transitions. [2021-03-25 17:38:55,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:55,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 111 transitions. [2021-03-25 17:38:55,983 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) [2021-03-25 17:38:55,984 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) [2021-03-25 17:38:55,984 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) [2021-03-25 17:38:55,984 INFO L185 Difference]: Start difference. First operand has 39 places, 22 transitions, 214 flow. Second operand 11 states and 111 transitions. [2021-03-25 17:38:55,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 45 transitions, 548 flow [2021-03-25 17:38:55,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 45 transitions, 463 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-03-25 17:38:55,988 INFO L241 Difference]: Finished difference. Result has 46 places, 30 transitions, 304 flow [2021-03-25 17:38:55,988 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} [2021-03-25 17:38:55,988 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 29 predicate places. [2021-03-25 17:38:55,988 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:55,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 30 transitions, 304 flow [2021-03-25 17:38:55,988 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 30 transitions, 304 flow [2021-03-25 17:38:55,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 30 transitions, 304 flow [2021-03-25 17:38:55,993 INFO L129 PetriNetUnfolder]: 22/57 cut-off events. [2021-03-25 17:38:55,993 INFO L130 PetriNetUnfolder]: For 207/207 co-relation queries the response was YES. [2021-03-25 17:38:55,994 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. [2021-03-25 17:38:55,994 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-25 17:38:56,020 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:38:56,021 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:38:56,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-25 17:38:56,021 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 29 transitions, 292 flow [2021-03-25 17:38:56,021 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) [2021-03-25 17:38:56,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:56,022 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2021-03-25 17:38:56,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:38:56,235 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:56,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:56,235 INFO L82 PathProgramCache]: Analyzing trace with hash -159656482, now seen corresponding path program 3 times [2021-03-25 17:38:56,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:56,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370262886] [2021-03-25 17:38:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:56,261 INFO L142 QuantifierPusher]: treesize reduction 14, result has 41.7 percent of original size [2021-03-25 17:38:56,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:38:56,266 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 17:38:56,267 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-25 17:38:56,284 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:56,284 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:56,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:56,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370262886] [2021-03-25 17:38:56,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445994488] [2021-03-25 17:38:56,302 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 [2021-03-25 17:38:56,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 17:38:56,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 17:38:56,327 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:38:56,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:56,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:56,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:56,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:56,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:56,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:56,355 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 [2021-03-25 17:38:56,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:56,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:56,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:56,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:56,363 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:56,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,389 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 [2021-03-25 17:38:56,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:56,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:56,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:56,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:38:56,399 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:56,399 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-03-25 17:38:56,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:38:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:38:56,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:56,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:56,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:38:56,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:56,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:38:56,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:38:56,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:38:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:56,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:56,430 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 [2021-03-25 17:38:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:38:56,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:38:56,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:56,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:56,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:38:56,444 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. [2021-03-25 17:38:56,444 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-25 17:38:56,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:56,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:38:56,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:38:56,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:56,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:38:56,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:38:56,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117994699] [2021-03-25 17:38:56,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:38:56,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:56,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:38:56,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:38:56,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 29 [2021-03-25 17:38:56,464 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) [2021-03-25 17:38:56,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:56,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 29 [2021-03-25 17:38:56,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:56,534 INFO L129 PetriNetUnfolder]: 20/50 cut-off events. [2021-03-25 17:38:56,534 INFO L130 PetriNetUnfolder]: For 197/205 co-relation queries the response was YES. [2021-03-25 17:38:56,535 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. [2021-03-25 17:38:56,535 INFO L132 encePairwiseOnDemand]: 22/29 looper letters, 13 selfloop transitions, 12 changer transitions 5/33 dead transitions. [2021-03-25 17:38:56,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 33 transitions, 395 flow [2021-03-25 17:38:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:38:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:38:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 78 transitions. [2021-03-25 17:38:56,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33620689655172414 [2021-03-25 17:38:56,537 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 78 transitions. [2021-03-25 17:38:56,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 78 transitions. [2021-03-25 17:38:56,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:56,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 78 transitions. [2021-03-25 17:38:56,538 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) [2021-03-25 17:38:56,539 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) [2021-03-25 17:38:56,540 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) [2021-03-25 17:38:56,540 INFO L185 Difference]: Start difference. First operand has 42 places, 29 transitions, 292 flow. Second operand 8 states and 78 transitions. [2021-03-25 17:38:56,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 33 transitions, 395 flow [2021-03-25 17:38:56,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 33 transitions, 330 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-03-25 17:38:56,543 INFO L241 Difference]: Finished difference. Result has 45 places, 26 transitions, 237 flow [2021-03-25 17:38:56,544 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} [2021-03-25 17:38:56,544 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 28 predicate places. [2021-03-25 17:38:56,544 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:56,544 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 26 transitions, 237 flow [2021-03-25 17:38:56,544 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 26 transitions, 237 flow [2021-03-25 17:38:56,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 26 transitions, 237 flow [2021-03-25 17:38:56,548 INFO L129 PetriNetUnfolder]: 18/44 cut-off events. [2021-03-25 17:38:56,548 INFO L130 PetriNetUnfolder]: For 131/131 co-relation queries the response was YES. [2021-03-25 17:38:56,548 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. [2021-03-25 17:38:56,549 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-25 17:38:56,550 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:38:56,550 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:38:56,550 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-25 17:38:56,551 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 26 transitions, 237 flow [2021-03-25 17:38:56,551 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) [2021-03-25 17:38:56,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:56,551 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:56,772 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:38:56,773 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:56,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:56,773 INFO L82 PathProgramCache]: Analyzing trace with hash -159021261, now seen corresponding path program 1 times [2021-03-25 17:38:56,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:56,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493787685] [2021-03-25 17:38:56,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:56,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:56,802 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:38:56,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:38:56,805 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:56,806 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:56,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:56,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493787685] [2021-03-25 17:38:56,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381741254] [2021-03-25 17:38:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:38:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:56,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 17:38:56,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:56,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:56,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:56,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:56,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:56,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:56,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:56,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:56,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:56,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:56,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:56,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:56,882 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 [2021-03-25 17:38:56,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:56,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:56,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:56,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:56,889 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:56,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:56,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:56,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:56,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:38:56,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:38:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:56,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:56,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:56,931 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 [2021-03-25 17:38:56,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:56,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:56,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:56,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:56,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:56,946 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. [2021-03-25 17:38:56,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:38:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:56,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:38:56,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2021-03-25 17:38:56,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974600405] [2021-03-25 17:38:56,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 17:38:56,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:56,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 17:38:56,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:38:56,973 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 29 [2021-03-25 17:38:56,973 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) [2021-03-25 17:38:56,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:56,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 29 [2021-03-25 17:38:56,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:57,023 INFO L129 PetriNetUnfolder]: 20/47 cut-off events. [2021-03-25 17:38:57,023 INFO L130 PetriNetUnfolder]: For 173/178 co-relation queries the response was YES. [2021-03-25 17:38:57,023 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. [2021-03-25 17:38:57,024 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 19 selfloop transitions, 8 changer transitions 0/30 dead transitions. [2021-03-25 17:38:57,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 30 transitions, 334 flow [2021-03-25 17:38:57,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 17:38:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 17:38:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 60 transitions. [2021-03-25 17:38:57,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3448275862068966 [2021-03-25 17:38:57,025 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 60 transitions. [2021-03-25 17:38:57,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 60 transitions. [2021-03-25 17:38:57,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:57,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 60 transitions. [2021-03-25 17:38:57,026 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) [2021-03-25 17:38:57,026 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) [2021-03-25 17:38:57,026 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) [2021-03-25 17:38:57,026 INFO L185 Difference]: Start difference. First operand has 41 places, 26 transitions, 237 flow. Second operand 6 states and 60 transitions. [2021-03-25 17:38:57,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 30 transitions, 334 flow [2021-03-25 17:38:57,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 30 transitions, 268 flow, removed 13 selfloop flow, removed 8 redundant places. [2021-03-25 17:38:57,029 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 234 flow [2021-03-25 17:38:57,029 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} [2021-03-25 17:38:57,030 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 23 predicate places. [2021-03-25 17:38:57,030 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:57,030 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 234 flow [2021-03-25 17:38:57,030 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 234 flow [2021-03-25 17:38:57,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 234 flow [2021-03-25 17:38:57,033 INFO L129 PetriNetUnfolder]: 19/46 cut-off events. [2021-03-25 17:38:57,034 INFO L130 PetriNetUnfolder]: For 113/114 co-relation queries the response was YES. [2021-03-25 17:38:57,034 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. [2021-03-25 17:38:57,034 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-25 17:38:57,067 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:38:57,067 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:38:57,067 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 17:38:57,068 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 225 flow [2021-03-25 17:38:57,068 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) [2021-03-25 17:38:57,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:57,068 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:57,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:38:57,280 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:57,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:57,281 INFO L82 PathProgramCache]: Analyzing trace with hash -635003390, now seen corresponding path program 2 times [2021-03-25 17:38:57,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:57,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128185125] [2021-03-25 17:38:57,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:57,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,338 INFO L142 QuantifierPusher]: treesize reduction 23, result has 17.9 percent of original size [2021-03-25 17:38:57,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,347 INFO L142 QuantifierPusher]: treesize reduction 19, result has 48.6 percent of original size [2021-03-25 17:38:57,347 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-25 17:38:57,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:57,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128185125] [2021-03-25 17:38:57,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:38:57,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:38:57,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318124001] [2021-03-25 17:38:57,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:38:57,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:57,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:38:57,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:38:57,364 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 30 [2021-03-25 17:38:57,365 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) [2021-03-25 17:38:57,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:57,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 30 [2021-03-25 17:38:57,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:57,480 INFO L129 PetriNetUnfolder]: 36/89 cut-off events. [2021-03-25 17:38:57,481 INFO L130 PetriNetUnfolder]: For 265/270 co-relation queries the response was YES. [2021-03-25 17:38:57,481 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. [2021-03-25 17:38:57,482 INFO L132 encePairwiseOnDemand]: 22/30 looper letters, 22 selfloop transitions, 33 changer transitions 2/60 dead transitions. [2021-03-25 17:38:57,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 60 transitions, 599 flow [2021-03-25 17:38:57,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 17:38:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 17:38:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 99 transitions. [2021-03-25 17:38:57,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36666666666666664 [2021-03-25 17:38:57,483 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 99 transitions. [2021-03-25 17:38:57,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 99 transitions. [2021-03-25 17:38:57,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:57,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 99 transitions. [2021-03-25 17:38:57,484 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) [2021-03-25 17:38:57,484 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) [2021-03-25 17:38:57,484 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) [2021-03-25 17:38:57,484 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 225 flow. Second operand 9 states and 99 transitions. [2021-03-25 17:38:57,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 60 transitions, 599 flow [2021-03-25 17:38:57,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 60 transitions, 581 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-25 17:38:57,488 INFO L241 Difference]: Finished difference. Result has 49 places, 47 transitions, 502 flow [2021-03-25 17:38:57,488 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} [2021-03-25 17:38:57,488 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 32 predicate places. [2021-03-25 17:38:57,488 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:57,489 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 47 transitions, 502 flow [2021-03-25 17:38:57,489 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 47 transitions, 502 flow [2021-03-25 17:38:57,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 47 transitions, 502 flow [2021-03-25 17:38:57,501 INFO L129 PetriNetUnfolder]: 35/87 cut-off events. [2021-03-25 17:38:57,501 INFO L130 PetriNetUnfolder]: For 421/421 co-relation queries the response was YES. [2021-03-25 17:38:57,501 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. [2021-03-25 17:38:57,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-25 17:38:57,510 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:38:57,510 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:38:57,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 17:38:57,511 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 46 transitions, 489 flow [2021-03-25 17:38:57,511 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) [2021-03-25 17:38:57,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:57,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:57,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 17:38:57,512 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:57,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:57,512 INFO L82 PathProgramCache]: Analyzing trace with hash -159021106, now seen corresponding path program 1 times [2021-03-25 17:38:57,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:57,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259784157] [2021-03-25 17:38:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:57,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,544 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-25 17:38:57,544 INFO L147 QuantifierPusher]: treesize reduction 9, result has 35.7 percent of original size 5 [2021-03-25 17:38:57,556 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 17:38:57,556 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-25 17:38:57,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:57,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259784157] [2021-03-25 17:38:57,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:38:57,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 17:38:57,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806881587] [2021-03-25 17:38:57,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 17:38:57,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:57,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 17:38:57,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-25 17:38:57,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 30 [2021-03-25 17:38:57,598 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) [2021-03-25 17:38:57,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:57,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 30 [2021-03-25 17:38:57,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:57,672 INFO L129 PetriNetUnfolder]: 45/108 cut-off events. [2021-03-25 17:38:57,672 INFO L130 PetriNetUnfolder]: For 576/579 co-relation queries the response was YES. [2021-03-25 17:38:57,673 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. [2021-03-25 17:38:57,674 INFO L132 encePairwiseOnDemand]: 23/30 looper letters, 36 selfloop transitions, 25 changer transitions 1/65 dead transitions. [2021-03-25 17:38:57,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 65 transitions, 829 flow [2021-03-25 17:38:57,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:38:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:38:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 77 transitions. [2021-03-25 17:38:57,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36666666666666664 [2021-03-25 17:38:57,675 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 77 transitions. [2021-03-25 17:38:57,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 77 transitions. [2021-03-25 17:38:57,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:57,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 77 transitions. [2021-03-25 17:38:57,676 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) [2021-03-25 17:38:57,676 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) [2021-03-25 17:38:57,677 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) [2021-03-25 17:38:57,677 INFO L185 Difference]: Start difference. First operand has 48 places, 46 transitions, 489 flow. Second operand 7 states and 77 transitions. [2021-03-25 17:38:57,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 65 transitions, 829 flow [2021-03-25 17:38:57,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 65 transitions, 723 flow, removed 51 selfloop flow, removed 2 redundant places. [2021-03-25 17:38:57,685 INFO L241 Difference]: Finished difference. Result has 55 places, 57 transitions, 619 flow [2021-03-25 17:38:57,686 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} [2021-03-25 17:38:57,686 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 38 predicate places. [2021-03-25 17:38:57,686 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:57,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 57 transitions, 619 flow [2021-03-25 17:38:57,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 57 transitions, 619 flow [2021-03-25 17:38:57,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 57 transitions, 619 flow [2021-03-25 17:38:57,703 INFO L129 PetriNetUnfolder]: 45/108 cut-off events. [2021-03-25 17:38:57,704 INFO L130 PetriNetUnfolder]: For 571/571 co-relation queries the response was YES. [2021-03-25 17:38:57,704 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. [2021-03-25 17:38:57,705 INFO L142 LiptonReduction]: Number of co-enabled transitions 116 [2021-03-25 17:38:57,761 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 17:38:57,761 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 17:38:57,762 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-03-25 17:38:57,763 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 52 transitions, 562 flow [2021-03-25 17:38:57,763 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) [2021-03-25 17:38:57,763 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:57,764 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:57,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 17:38:57,764 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:57,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:57,764 INFO L82 PathProgramCache]: Analyzing trace with hash -468656311, now seen corresponding path program 1 times [2021-03-25 17:38:57,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:57,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099143543] [2021-03-25 17:38:57,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:57,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,810 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:38:57,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:38:57,816 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:57,816 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:57,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:57,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099143543] [2021-03-25 17:38:57,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689058906] [2021-03-25 17:38:57,836 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 [2021-03-25 17:38:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:57,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:38:57,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:57,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:57,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:57,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:57,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:57,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:57,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:57,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:57,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:57,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:57,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:57,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:57,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:57,926 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 [2021-03-25 17:38:57,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:57,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:57,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:57,933 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:57,933 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:57,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:57,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:38:57,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:38:57,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:57,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:57,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:57,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:57,962 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 [2021-03-25 17:38:57,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:57,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:57,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:57,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:57,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:57,974 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. [2021-03-25 17:38:57,974 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:38:57,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:57,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:57,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:57,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:57,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:57,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:38:57,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:38:57,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756095330] [2021-03-25 17:38:57,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:38:57,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:57,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:38:57,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:38:57,993 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 31 [2021-03-25 17:38:57,994 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) [2021-03-25 17:38:57,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:57,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 31 [2021-03-25 17:38:57,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:58,201 INFO L129 PetriNetUnfolder]: 63/151 cut-off events. [2021-03-25 17:38:58,202 INFO L130 PetriNetUnfolder]: For 786/789 co-relation queries the response was YES. [2021-03-25 17:38:58,202 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. [2021-03-25 17:38:58,204 INFO L132 encePairwiseOnDemand]: 23/31 looper letters, 38 selfloop transitions, 61 changer transitions 1/103 dead transitions. [2021-03-25 17:38:58,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 103 transitions, 1316 flow [2021-03-25 17:38:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 17:38:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 17:38:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 171 transitions. [2021-03-25 17:38:58,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32447817836812143 [2021-03-25 17:38:58,205 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 171 transitions. [2021-03-25 17:38:58,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 171 transitions. [2021-03-25 17:38:58,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:58,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 171 transitions. [2021-03-25 17:38:58,206 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) [2021-03-25 17:38:58,207 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) [2021-03-25 17:38:58,207 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) [2021-03-25 17:38:58,207 INFO L185 Difference]: Start difference. First operand has 54 places, 52 transitions, 562 flow. Second operand 17 states and 171 transitions. [2021-03-25 17:38:58,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 103 transitions, 1316 flow [2021-03-25 17:38:58,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 103 transitions, 1239 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-03-25 17:38:58,215 INFO L241 Difference]: Finished difference. Result has 71 places, 83 transitions, 1057 flow [2021-03-25 17:38:58,215 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} [2021-03-25 17:38:58,215 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 54 predicate places. [2021-03-25 17:38:58,216 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:58,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 83 transitions, 1057 flow [2021-03-25 17:38:58,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 83 transitions, 1057 flow [2021-03-25 17:38:58,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 83 transitions, 1057 flow [2021-03-25 17:38:58,230 INFO L129 PetriNetUnfolder]: 63/151 cut-off events. [2021-03-25 17:38:58,231 INFO L130 PetriNetUnfolder]: For 907/907 co-relation queries the response was YES. [2021-03-25 17:38:58,231 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. [2021-03-25 17:38:58,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-25 17:38:58,308 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 17:38:58,308 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 17:38:58,308 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-03-25 17:38:58,309 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 78 transitions, 987 flow [2021-03-25 17:38:58,309 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) [2021-03-25 17:38:58,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:58,309 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:58,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:38:58,533 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:58,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:58,534 INFO L82 PathProgramCache]: Analyzing trace with hash -634079931, now seen corresponding path program 2 times [2021-03-25 17:38:58,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:58,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506039086] [2021-03-25 17:38:58,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:58,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:58,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:58,551 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:38:58,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:38:58,555 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:38:58,555 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:38:58,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:58,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506039086] [2021-03-25 17:38:58,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807153011] [2021-03-25 17:38:58,574 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 [2021-03-25 17:38:58,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 17:38:58,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 17:38:58,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:38:58,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:58,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:58,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:58,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:58,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:58,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:58,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:58,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:58,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:58,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:58,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:58,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:58,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:58,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:58,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:58,660 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 [2021-03-25 17:38:58,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:58,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:58,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:58,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:58,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:58,666 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:58,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:58,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:58,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:58,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:58,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:58,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:58,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:58,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:38:58,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:38:58,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:58,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:38:58,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:58,692 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 [2021-03-25 17:38:58,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:58,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:58,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:58,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:58,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:58,701 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. [2021-03-25 17:38:58,701 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:38:58,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:58,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:58,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:58,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:58,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:38:58,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:58,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:38:58,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:38:58,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176867322] [2021-03-25 17:38:58,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:38:58,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:58,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:38:58,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:38:58,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 33 [2021-03-25 17:38:58,717 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) [2021-03-25 17:38:58,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:58,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 33 [2021-03-25 17:38:58,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:58,880 INFO L129 PetriNetUnfolder]: 57/133 cut-off events. [2021-03-25 17:38:58,881 INFO L130 PetriNetUnfolder]: For 824/827 co-relation queries the response was YES. [2021-03-25 17:38:58,881 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. [2021-03-25 17:38:58,883 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 54 selfloop transitions, 22 changer transitions 11/90 dead transitions. [2021-03-25 17:38:58,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 90 transitions, 1315 flow [2021-03-25 17:38:58,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 17:38:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 17:38:58,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 139 transitions. [2021-03-25 17:38:58,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3008658008658009 [2021-03-25 17:38:58,885 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 139 transitions. [2021-03-25 17:38:58,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 139 transitions. [2021-03-25 17:38:58,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:58,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 139 transitions. [2021-03-25 17:38:58,886 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) [2021-03-25 17:38:58,887 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) [2021-03-25 17:38:58,887 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) [2021-03-25 17:38:58,887 INFO L185 Difference]: Start difference. First operand has 69 places, 78 transitions, 987 flow. Second operand 14 states and 139 transitions. [2021-03-25 17:38:58,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 90 transitions, 1315 flow [2021-03-25 17:38:58,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 90 transitions, 1202 flow, removed 50 selfloop flow, removed 6 redundant places. [2021-03-25 17:38:58,895 INFO L241 Difference]: Finished difference. Result has 78 places, 75 transitions, 899 flow [2021-03-25 17:38:58,896 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} [2021-03-25 17:38:58,896 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 61 predicate places. [2021-03-25 17:38:58,896 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:58,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 75 transitions, 899 flow [2021-03-25 17:38:58,896 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 75 transitions, 899 flow [2021-03-25 17:38:58,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 899 flow [2021-03-25 17:38:58,909 INFO L129 PetriNetUnfolder]: 53/122 cut-off events. [2021-03-25 17:38:58,909 INFO L130 PetriNetUnfolder]: For 640/640 co-relation queries the response was YES. [2021-03-25 17:38:58,910 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. [2021-03-25 17:38:58,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-25 17:38:58,957 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 17:38:58,958 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 17:38:58,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-25 17:38:58,958 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 69 transitions, 829 flow [2021-03-25 17:38:58,958 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) [2021-03-25 17:38:58,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:58,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:59,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-25 17:38:59,181 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:59,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:59,181 INFO L82 PathProgramCache]: Analyzing trace with hash -468656063, now seen corresponding path program 1 times [2021-03-25 17:38:59,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:59,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636376136] [2021-03-25 17:38:59,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:59,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:59,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:59,209 INFO L142 QuantifierPusher]: treesize reduction 29, result has 42.0 percent of original size [2021-03-25 17:38:59,209 INFO L147 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size 16 [2021-03-25 17:38:59,230 INFO L142 QuantifierPusher]: treesize reduction 35, result has 49.3 percent of original size [2021-03-25 17:38:59,231 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-03-25 17:38:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:59,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636376136] [2021-03-25 17:38:59,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495579120] [2021-03-25 17:38:59,263 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 [2021-03-25 17:38:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:59,281 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:38:59,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:38:59,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:38:59,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:59,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:59,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:59,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:38:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:38:59,329 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 [2021-03-25 17:38:59,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:59,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:38:59,331 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:59,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:59,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:38:59,336 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:38:59,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:59,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:38:59,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:59,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:38:59,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:38:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:38:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:38:59,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:59,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:38:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:38:59,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:38:59,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:38:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:38:59,366 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 [2021-03-25 17:38:59,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:38:59,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:38:59,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:38:59,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:59,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:38:59,378 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. [2021-03-25 17:38:59,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:29 [2021-03-25 17:38:59,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:59,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:38:59,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:38:59,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:59,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:38:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:38:59,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:38:59,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:38:59,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642706265] [2021-03-25 17:38:59,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:38:59,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:38:59,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:38:59,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:38:59,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 34 [2021-03-25 17:38:59,405 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) [2021-03-25 17:38:59,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:38:59,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 34 [2021-03-25 17:38:59,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:38:59,634 INFO L129 PetriNetUnfolder]: 78/183 cut-off events. [2021-03-25 17:38:59,634 INFO L130 PetriNetUnfolder]: For 1109/1112 co-relation queries the response was YES. [2021-03-25 17:38:59,635 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. [2021-03-25 17:38:59,636 INFO L132 encePairwiseOnDemand]: 25/34 looper letters, 45 selfloop transitions, 45 changer transitions 28/121 dead transitions. [2021-03-25 17:38:59,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 121 transitions, 1711 flow [2021-03-25 17:38:59,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 17:38:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 17:38:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 144 transitions. [2021-03-25 17:38:59,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3025210084033613 [2021-03-25 17:38:59,638 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 144 transitions. [2021-03-25 17:38:59,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 144 transitions. [2021-03-25 17:38:59,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:38:59,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 144 transitions. [2021-03-25 17:38:59,638 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) [2021-03-25 17:38:59,639 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) [2021-03-25 17:38:59,639 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) [2021-03-25 17:38:59,639 INFO L185 Difference]: Start difference. First operand has 71 places, 69 transitions, 829 flow. Second operand 14 states and 144 transitions. [2021-03-25 17:38:59,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 121 transitions, 1711 flow [2021-03-25 17:38:59,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 121 transitions, 1562 flow, removed 43 selfloop flow, removed 10 redundant places. [2021-03-25 17:38:59,650 INFO L241 Difference]: Finished difference. Result has 81 places, 78 transitions, 974 flow [2021-03-25 17:38:59,650 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} [2021-03-25 17:38:59,650 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 64 predicate places. [2021-03-25 17:38:59,650 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:38:59,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions, 974 flow [2021-03-25 17:38:59,650 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 78 transitions, 974 flow [2021-03-25 17:38:59,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 78 transitions, 974 flow [2021-03-25 17:38:59,667 INFO L129 PetriNetUnfolder]: 63/149 cut-off events. [2021-03-25 17:38:59,668 INFO L130 PetriNetUnfolder]: For 1039/1039 co-relation queries the response was YES. [2021-03-25 17:38:59,668 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. [2021-03-25 17:38:59,670 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-25 17:38:59,686 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:38:59,687 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:38:59,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 17:38:59,689 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 76 transitions, 937 flow [2021-03-25 17:38:59,689 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) [2021-03-25 17:38:59,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:38:59,689 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:38:59,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-25 17:38:59,912 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:38:59,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:38:59,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1488765330, now seen corresponding path program 1 times [2021-03-25 17:38:59,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:38:59,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237996982] [2021-03-25 17:38:59,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:38:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:38:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:59,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:59,941 INFO L142 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-03-25 17:38:59,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:38:59,948 INFO L142 QuantifierPusher]: treesize reduction 23, result has 45.2 percent of original size [2021-03-25 17:38:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:38:59,959 INFO L142 QuantifierPusher]: treesize reduction 29, result has 50.8 percent of original size [2021-03-25 17:38:59,959 INFO L147 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size 19 [2021-03-25 17:38:59,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:38:59,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:00,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237996982] [2021-03-25 17:39:00,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390459270] [2021-03-25 17:39:00,004 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 [2021-03-25 17:39:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:00,036 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:39:00,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:00,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,063 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:00,064 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:00,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:00,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:00,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:00,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,089 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 [2021-03-25 17:39:00,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:00,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:00,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:00,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:00,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:00,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:00,120 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 [2021-03-25 17:39:00,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:00,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:00,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:00,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,129 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:24 [2021-03-25 17:39:00,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:00,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:00,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:39:00,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:00,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:39:00,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:00,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:39:00,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:00,154 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 [2021-03-25 17:39:00,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:00,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:00,157 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:00,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,164 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2021-03-25 17:39:00,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:00,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:00,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:00,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:00,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128690257] [2021-03-25 17:39:00,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:00,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:00,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:00,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:00,185 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 34 [2021-03-25 17:39:00,185 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) [2021-03-25 17:39:00,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:00,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 34 [2021-03-25 17:39:00,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:00,375 INFO L129 PetriNetUnfolder]: 77/177 cut-off events. [2021-03-25 17:39:00,376 INFO L130 PetriNetUnfolder]: For 1151/1154 co-relation queries the response was YES. [2021-03-25 17:39:00,377 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. [2021-03-25 17:39:00,378 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 54 selfloop transitions, 50 changer transitions 2/109 dead transitions. [2021-03-25 17:39:00,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 109 transitions, 1587 flow [2021-03-25 17:39:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 17:39:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 17:39:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 151 transitions. [2021-03-25 17:39:00,380 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.296078431372549 [2021-03-25 17:39:00,380 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 151 transitions. [2021-03-25 17:39:00,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 151 transitions. [2021-03-25 17:39:00,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:00,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 151 transitions. [2021-03-25 17:39:00,384 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) [2021-03-25 17:39:00,385 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) [2021-03-25 17:39:00,385 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) [2021-03-25 17:39:00,385 INFO L185 Difference]: Start difference. First operand has 75 places, 76 transitions, 937 flow. Second operand 15 states and 151 transitions. [2021-03-25 17:39:00,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 109 transitions, 1587 flow [2021-03-25 17:39:00,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 109 transitions, 1453 flow, removed 33 selfloop flow, removed 8 redundant places. [2021-03-25 17:39:00,398 INFO L241 Difference]: Finished difference. Result has 90 places, 101 transitions, 1353 flow [2021-03-25 17:39:00,398 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} [2021-03-25 17:39:00,398 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 73 predicate places. [2021-03-25 17:39:00,398 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:00,399 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 101 transitions, 1353 flow [2021-03-25 17:39:00,399 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 101 transitions, 1353 flow [2021-03-25 17:39:00,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 101 transitions, 1353 flow [2021-03-25 17:39:00,416 INFO L129 PetriNetUnfolder]: 76/176 cut-off events. [2021-03-25 17:39:00,416 INFO L130 PetriNetUnfolder]: For 1432/1432 co-relation queries the response was YES. [2021-03-25 17:39:00,417 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. [2021-03-25 17:39:00,419 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-25 17:39:00,576 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-25 17:39:00,576 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 17:39:00,576 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-03-25 17:39:00,577 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 96 transitions, 1310 flow [2021-03-25 17:39:00,577 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) [2021-03-25 17:39:00,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:00,577 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:00,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-25 17:39:00,799 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:00,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:00,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1480268205, now seen corresponding path program 2 times [2021-03-25 17:39:00,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:00,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460300072] [2021-03-25 17:39:00,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:00,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,835 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:00,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:00,839 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:00,839 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:00,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:00,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460300072] [2021-03-25 17:39:00,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597855712] [2021-03-25 17:39:00,857 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 [2021-03-25 17:39:00,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 17:39:00,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 17:39:00,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:00,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:00,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:00,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:00,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:00,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:00,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:00,943 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 [2021-03-25 17:39:00,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:00,944 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,950 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:00,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:00,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:00,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:00,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:00,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:00,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:00,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:00,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:00,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:00,975 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 [2021-03-25 17:39:00,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:00,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:00,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:00,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:00,987 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. [2021-03-25 17:39:00,987 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:00,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:00,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:01,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:01,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:01,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452016442] [2021-03-25 17:39:01,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:01,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:01,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:01,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:01,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 40 [2021-03-25 17:39:01,004 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) [2021-03-25 17:39:01,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:01,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 40 [2021-03-25 17:39:01,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:01,242 INFO L129 PetriNetUnfolder]: 82/191 cut-off events. [2021-03-25 17:39:01,243 INFO L130 PetriNetUnfolder]: For 1670/1692 co-relation queries the response was YES. [2021-03-25 17:39:01,244 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. [2021-03-25 17:39:01,245 INFO L132 encePairwiseOnDemand]: 27/40 looper letters, 49 selfloop transitions, 54 changer transitions 17/123 dead transitions. [2021-03-25 17:39:01,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 123 transitions, 1960 flow [2021-03-25 17:39:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 17:39:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 17:39:01,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 168 transitions. [2021-03-25 17:39:01,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24705882352941178 [2021-03-25 17:39:01,247 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 168 transitions. [2021-03-25 17:39:01,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 168 transitions. [2021-03-25 17:39:01,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:01,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 168 transitions. [2021-03-25 17:39:01,248 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) [2021-03-25 17:39:01,249 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) [2021-03-25 17:39:01,249 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) [2021-03-25 17:39:01,249 INFO L185 Difference]: Start difference. First operand has 88 places, 96 transitions, 1310 flow. Second operand 17 states and 168 transitions. [2021-03-25 17:39:01,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 123 transitions, 1960 flow [2021-03-25 17:39:01,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 123 transitions, 1822 flow, removed 65 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:01,264 INFO L241 Difference]: Finished difference. Result has 102 places, 99 transitions, 1361 flow [2021-03-25 17:39:01,264 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} [2021-03-25 17:39:01,265 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 85 predicate places. [2021-03-25 17:39:01,265 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:01,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 99 transitions, 1361 flow [2021-03-25 17:39:01,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 99 transitions, 1361 flow [2021-03-25 17:39:01,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 99 transitions, 1361 flow [2021-03-25 17:39:01,283 INFO L129 PetriNetUnfolder]: 74/170 cut-off events. [2021-03-25 17:39:01,284 INFO L130 PetriNetUnfolder]: For 1476/1489 co-relation queries the response was YES. [2021-03-25 17:39:01,284 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. [2021-03-25 17:39:01,286 INFO L142 LiptonReduction]: Number of co-enabled transitions 204 [2021-03-25 17:39:01,290 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:01,290 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:01,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-25 17:39:01,291 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 99 transitions, 1361 flow [2021-03-25 17:39:01,291 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) [2021-03-25 17:39:01,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:01,291 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:39:01,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-25 17:39:01,504 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:01,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:01,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1667685070, now seen corresponding path program 1 times [2021-03-25 17:39:01,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:01,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986631819] [2021-03-25 17:39:01,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:01,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:01,534 INFO L142 QuantifierPusher]: treesize reduction 28, result has 40.4 percent of original size [2021-03-25 17:39:01,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:01,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:01,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986631819] [2021-03-25 17:39:01,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:01,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:39:01,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406439425] [2021-03-25 17:39:01,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:39:01,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:01,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:39:01,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:39:01,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 40 [2021-03-25 17:39:01,547 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) [2021-03-25 17:39:01,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:01,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 40 [2021-03-25 17:39:01,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:01,614 INFO L129 PetriNetUnfolder]: 75/172 cut-off events. [2021-03-25 17:39:01,614 INFO L130 PetriNetUnfolder]: For 1543/1552 co-relation queries the response was YES. [2021-03-25 17:39:01,615 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. [2021-03-25 17:39:01,617 INFO L132 encePairwiseOnDemand]: 30/40 looper letters, 77 selfloop transitions, 22 changer transitions 0/102 dead transitions. [2021-03-25 17:39:01,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 102 transitions, 1605 flow [2021-03-25 17:39:01,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:39:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:39:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2021-03-25 17:39:01,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.275 [2021-03-25 17:39:01,618 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 55 transitions. [2021-03-25 17:39:01,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 55 transitions. [2021-03-25 17:39:01,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:01,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 55 transitions. [2021-03-25 17:39:01,618 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) [2021-03-25 17:39:01,618 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) [2021-03-25 17:39:01,619 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) [2021-03-25 17:39:01,619 INFO L185 Difference]: Start difference. First operand has 96 places, 99 transitions, 1361 flow. Second operand 5 states and 55 transitions. [2021-03-25 17:39:01,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 102 transitions, 1605 flow [2021-03-25 17:39:01,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 102 transitions, 1449 flow, removed 48 selfloop flow, removed 8 redundant places. [2021-03-25 17:39:01,630 INFO L241 Difference]: Finished difference. Result has 93 places, 101 transitions, 1310 flow [2021-03-25 17:39:01,631 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} [2021-03-25 17:39:01,631 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 76 predicate places. [2021-03-25 17:39:01,631 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:01,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 101 transitions, 1310 flow [2021-03-25 17:39:01,631 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 101 transitions, 1310 flow [2021-03-25 17:39:01,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 101 transitions, 1310 flow [2021-03-25 17:39:01,646 INFO L129 PetriNetUnfolder]: 74/171 cut-off events. [2021-03-25 17:39:01,646 INFO L130 PetriNetUnfolder]: For 1675/1676 co-relation queries the response was YES. [2021-03-25 17:39:01,647 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. [2021-03-25 17:39:01,648 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-25 17:39:01,656 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:01,657 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:01,657 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-25 17:39:01,658 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 100 transitions, 1290 flow [2021-03-25 17:39:01,658 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) [2021-03-25 17:39:01,658 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:01,658 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:01,658 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 17:39:01,658 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:01,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:01,659 INFO L82 PathProgramCache]: Analyzing trace with hash -141648948, now seen corresponding path program 1 times [2021-03-25 17:39:01,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:01,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812406431] [2021-03-25 17:39:01,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:01,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:01,704 INFO L142 QuantifierPusher]: treesize reduction 28, result has 40.4 percent of original size [2021-03-25 17:39:01,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:01,715 INFO L142 QuantifierPusher]: treesize reduction 88, result has 38.5 percent of original size [2021-03-25 17:39:01,716 INFO L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-03-25 17:39:01,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:01,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812406431] [2021-03-25 17:39:01,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148619754] [2021-03-25 17:39:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:39:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:01,782 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:39:01,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:01,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:01,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:01,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:01,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:01,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:01,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:01,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:01,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:01,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:01,796 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 17:39:01,797 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-25 17:39:01,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:01,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:01,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,806 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 [2021-03-25 17:39:01,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:01,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:01,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:01,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:01,816 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:01,816 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:26 [2021-03-25 17:39:01,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:01,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:01,833 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size 56 [2021-03-25 17:39:01,834 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size [2021-03-25 17:39:01,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:39:01,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:01,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:39:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,862 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 [2021-03-25 17:39:01,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:01,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:01,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:01,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:39:01,880 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:01,881 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:61 [2021-03-25 17:39:01,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:39:01,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:39:01,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:39:01,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:39:01,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:39:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:39:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:01,931 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 [2021-03-25 17:39:01,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:01,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:01,936 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:01,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:39:01,954 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:01,954 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:53 [2021-03-25 17:39:01,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:39:01,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:01,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:39:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:01,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:01,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:39:01,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168912185] [2021-03-25 17:39:01,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:39:01,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:01,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:39:01,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:39:01,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 40 [2021-03-25 17:39:01,978 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) [2021-03-25 17:39:01,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:01,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 40 [2021-03-25 17:39:01,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:02,160 INFO L129 PetriNetUnfolder]: 75/175 cut-off events. [2021-03-25 17:39:02,161 INFO L130 PetriNetUnfolder]: For 1815/1849 co-relation queries the response was YES. [2021-03-25 17:39:02,161 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. [2021-03-25 17:39:02,163 INFO L132 encePairwiseOnDemand]: 30/40 looper letters, 77 selfloop transitions, 24 changer transitions 1/105 dead transitions. [2021-03-25 17:39:02,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 105 transitions, 1572 flow [2021-03-25 17:39:02,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:39:02,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:39:02,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 81 transitions. [2021-03-25 17:39:02,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.253125 [2021-03-25 17:39:02,164 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 81 transitions. [2021-03-25 17:39:02,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 81 transitions. [2021-03-25 17:39:02,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:02,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 81 transitions. [2021-03-25 17:39:02,165 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) [2021-03-25 17:39:02,165 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) [2021-03-25 17:39:02,165 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) [2021-03-25 17:39:02,165 INFO L185 Difference]: Start difference. First operand has 93 places, 100 transitions, 1290 flow. Second operand 8 states and 81 transitions. [2021-03-25 17:39:02,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 105 transitions, 1572 flow [2021-03-25 17:39:02,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 105 transitions, 1563 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 17:39:02,178 INFO L241 Difference]: Finished difference. Result has 101 places, 103 transitions, 1411 flow [2021-03-25 17:39:02,178 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} [2021-03-25 17:39:02,178 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 84 predicate places. [2021-03-25 17:39:02,178 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:02,179 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 103 transitions, 1411 flow [2021-03-25 17:39:02,179 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 103 transitions, 1411 flow [2021-03-25 17:39:02,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 103 transitions, 1411 flow [2021-03-25 17:39:02,196 INFO L129 PetriNetUnfolder]: 74/173 cut-off events. [2021-03-25 17:39:02,196 INFO L130 PetriNetUnfolder]: For 2145/2146 co-relation queries the response was YES. [2021-03-25 17:39:02,197 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. [2021-03-25 17:39:02,198 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-25 17:39:02,297 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:39:02,298 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:39:02,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-03-25 17:39:02,299 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 100 transitions, 1359 flow [2021-03-25 17:39:02,299 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) [2021-03-25 17:39:02,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:02,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:02,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:02,520 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:02,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:02,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1203663112, now seen corresponding path program 1 times [2021-03-25 17:39:02,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:02,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010753210] [2021-03-25 17:39:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:02,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:02,543 INFO L142 QuantifierPusher]: treesize reduction 28, result has 15.2 percent of original size [2021-03-25 17:39:02,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:02,548 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-03-25 17:39:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,555 INFO L142 QuantifierPusher]: treesize reduction 33, result has 44.1 percent of original size [2021-03-25 17:39:02,556 INFO L147 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size 19 [2021-03-25 17:39:02,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:02,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010753210] [2021-03-25 17:39:02,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439060915] [2021-03-25 17:39:02,576 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 [2021-03-25 17:39:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:02,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:39:02,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:02,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:02,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:02,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,654 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 [2021-03-25 17:39:02,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:02,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:02,655 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:02,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:02,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:02,660 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:02,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:02,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:02,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:02,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:02,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:02,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:02,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:02,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:02,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:02,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:02,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:02,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:02,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:02,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:02,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:02,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:02,701 INFO L354 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2021-03-25 17:39:02,701 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 [2021-03-25 17:39:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:02,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:02,703 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:02,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:02,713 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. [2021-03-25 17:39:02,713 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:29 [2021-03-25 17:39:02,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:02,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:02,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:02,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:39:02,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:02,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:39:02,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:02,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:02,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:02,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:02,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:02,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:02,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:39:02,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:02,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:02,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:02,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:02,761 INFO L354 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2021-03-25 17:39:02,761 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 [2021-03-25 17:39:02,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:02,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:02,764 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:02,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:02,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:02,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:02,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:02,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:02,780 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. [2021-03-25 17:39:02,780 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:34 [2021-03-25 17:39:02,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:02,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:02,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:02,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:02,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:02,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:02,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:02,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:02,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:02,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:02,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:02,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:02,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459270445] [2021-03-25 17:39:02,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:02,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:02,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:02,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:02,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2021-03-25 17:39:02,808 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) [2021-03-25 17:39:02,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:02,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2021-03-25 17:39:02,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:03,024 INFO L129 PetriNetUnfolder]: 84/196 cut-off events. [2021-03-25 17:39:03,024 INFO L130 PetriNetUnfolder]: For 2508/2518 co-relation queries the response was YES. [2021-03-25 17:39:03,025 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. [2021-03-25 17:39:03,027 INFO L132 encePairwiseOnDemand]: 31/42 looper letters, 78 selfloop transitions, 41 changer transitions 0/122 dead transitions. [2021-03-25 17:39:03,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 122 transitions, 1899 flow [2021-03-25 17:39:03,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 17:39:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 17:39:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 136 transitions. [2021-03-25 17:39:03,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23129251700680273 [2021-03-25 17:39:03,028 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 136 transitions. [2021-03-25 17:39:03,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 136 transitions. [2021-03-25 17:39:03,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:03,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 136 transitions. [2021-03-25 17:39:03,029 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) [2021-03-25 17:39:03,030 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) [2021-03-25 17:39:03,030 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) [2021-03-25 17:39:03,030 INFO L185 Difference]: Start difference. First operand has 98 places, 100 transitions, 1359 flow. Second operand 14 states and 136 transitions. [2021-03-25 17:39:03,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 122 transitions, 1899 flow [2021-03-25 17:39:03,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 122 transitions, 1801 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:03,045 INFO L241 Difference]: Finished difference. Result has 107 places, 111 transitions, 1541 flow [2021-03-25 17:39:03,045 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} [2021-03-25 17:39:03,046 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 90 predicate places. [2021-03-25 17:39:03,046 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:03,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 111 transitions, 1541 flow [2021-03-25 17:39:03,046 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 111 transitions, 1541 flow [2021-03-25 17:39:03,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 111 transitions, 1541 flow [2021-03-25 17:39:03,064 INFO L129 PetriNetUnfolder]: 83/195 cut-off events. [2021-03-25 17:39:03,064 INFO L130 PetriNetUnfolder]: For 2148/2149 co-relation queries the response was YES. [2021-03-25 17:39:03,065 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. [2021-03-25 17:39:03,067 INFO L142 LiptonReduction]: Number of co-enabled transitions 228 [2021-03-25 17:39:03,132 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:39:03,133 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:39:03,133 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-25 17:39:03,133 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 108 transitions, 1494 flow [2021-03-25 17:39:03,133 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) [2021-03-25 17:39:03,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:03,133 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:03,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-03-25 17:39:03,348 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:03,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:03,348 INFO L82 PathProgramCache]: Analyzing trace with hash -158627214, now seen corresponding path program 1 times [2021-03-25 17:39:03,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:03,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715951962] [2021-03-25 17:39:03,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:03,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:03,379 INFO L142 QuantifierPusher]: treesize reduction 152, result has 24.4 percent of original size [2021-03-25 17:39:03,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:39:03,397 INFO L142 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size [2021-03-25 17:39:03,398 INFO L147 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size 19 [2021-03-25 17:39:03,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:03,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715951962] [2021-03-25 17:39:03,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201414304] [2021-03-25 17:39:03,420 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 [2021-03-25 17:39:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:03,439 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:39:03,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:03,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:03,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:03,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:39:03,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:03,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:39:03,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:03,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:39:03,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,471 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 [2021-03-25 17:39:03,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:03,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:03,473 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:03,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:03,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:03,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:24 [2021-03-25 17:39:03,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:03,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:03,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:03,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:39:03,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:03,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:39:03,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:03,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:39:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,527 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 [2021-03-25 17:39:03,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:03,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:03,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:03,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:39:03,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:03,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:61 [2021-03-25 17:39:03,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:39:03,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:39:03,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:03,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:39:03,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:03,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:39:03,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:03,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:03,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:39:03,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:39:03,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:39:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:03,618 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 [2021-03-25 17:39:03,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:03,621 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:03,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:03,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:03,645 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. [2021-03-25 17:39:03,645 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:66 [2021-03-25 17:39:03,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:03,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:03,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:03,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:03,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:03,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:03,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:03,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:39:03,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741478452] [2021-03-25 17:39:03,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:39:03,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:03,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:39:03,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:39:03,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 44 [2021-03-25 17:39:03,686 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) [2021-03-25 17:39:03,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:03,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 44 [2021-03-25 17:39:03,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:03,830 INFO L129 PetriNetUnfolder]: 84/194 cut-off events. [2021-03-25 17:39:03,830 INFO L130 PetriNetUnfolder]: For 2247/2274 co-relation queries the response was YES. [2021-03-25 17:39:03,831 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. [2021-03-25 17:39:03,833 INFO L132 encePairwiseOnDemand]: 35/44 looper letters, 83 selfloop transitions, 20 changer transitions 5/111 dead transitions. [2021-03-25 17:39:03,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 111 transitions, 1757 flow [2021-03-25 17:39:03,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:39:03,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:39:03,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 71 transitions. [2021-03-25 17:39:03,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2305194805194805 [2021-03-25 17:39:03,834 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 71 transitions. [2021-03-25 17:39:03,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 71 transitions. [2021-03-25 17:39:03,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:03,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 71 transitions. [2021-03-25 17:39:03,834 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) [2021-03-25 17:39:03,835 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) [2021-03-25 17:39:03,839 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) [2021-03-25 17:39:03,839 INFO L185 Difference]: Start difference. First operand has 105 places, 108 transitions, 1494 flow. Second operand 7 states and 71 transitions. [2021-03-25 17:39:03,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 111 transitions, 1757 flow [2021-03-25 17:39:03,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 111 transitions, 1617 flow, removed 33 selfloop flow, removed 11 redundant places. [2021-03-25 17:39:03,853 INFO L241 Difference]: Finished difference. Result has 101 places, 105 transitions, 1359 flow [2021-03-25 17:39:03,853 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} [2021-03-25 17:39:03,853 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 84 predicate places. [2021-03-25 17:39:03,853 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:03,853 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 105 transitions, 1359 flow [2021-03-25 17:39:03,854 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 105 transitions, 1359 flow [2021-03-25 17:39:03,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 105 transitions, 1359 flow [2021-03-25 17:39:03,870 INFO L129 PetriNetUnfolder]: 83/189 cut-off events. [2021-03-25 17:39:03,870 INFO L130 PetriNetUnfolder]: For 1982/1982 co-relation queries the response was YES. [2021-03-25 17:39:03,871 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. [2021-03-25 17:39:03,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-25 17:39:03,880 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:03,880 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:03,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-25 17:39:03,881 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 105 transitions, 1359 flow [2021-03-25 17:39:03,881 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) [2021-03-25 17:39:03,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:03,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:04,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:04,103 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:04,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:04,103 INFO L82 PathProgramCache]: Analyzing trace with hash -177374694, now seen corresponding path program 1 times [2021-03-25 17:39:04,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:04,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218112413] [2021-03-25 17:39:04,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:04,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:04,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:04,152 INFO L142 QuantifierPusher]: treesize reduction 76, result has 23.2 percent of original size [2021-03-25 17:39:04,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:04,165 INFO L142 QuantifierPusher]: treesize reduction 79, result has 39.2 percent of original size [2021-03-25 17:39:04,166 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-03-25 17:39:04,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:04,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218112413] [2021-03-25 17:39:04,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33679779] [2021-03-25 17:39:04,210 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) [2021-03-25 17:39:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:04,240 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:39:04,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:04,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:04,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,265 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:04,265 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:04,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:04,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:04,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:04,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:04,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:04,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:04,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:04,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:04,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:04,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:04,287 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 [2021-03-25 17:39:04,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:04,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:04,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:04,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:04,293 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:04,293 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:04,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:04,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:04,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:04,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:04,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:04,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:04,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:04,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:04,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:04,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:04,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:04,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:04,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:04,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:04,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:04,316 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 [2021-03-25 17:39:04,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:04,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:04,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:04,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:04,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:04,327 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:29 [2021-03-25 17:39:04,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:04,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:04,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:04,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:04,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731403827] [2021-03-25 17:39:04,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:04,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:04,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:04,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:04,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 44 [2021-03-25 17:39:04,346 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) [2021-03-25 17:39:04,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:04,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 44 [2021-03-25 17:39:04,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:04,509 INFO L129 PetriNetUnfolder]: 94/213 cut-off events. [2021-03-25 17:39:04,509 INFO L130 PetriNetUnfolder]: For 2259/2268 co-relation queries the response was YES. [2021-03-25 17:39:04,510 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. [2021-03-25 17:39:04,511 INFO L132 encePairwiseOnDemand]: 35/44 looper letters, 78 selfloop transitions, 49 changer transitions 1/131 dead transitions. [2021-03-25 17:39:04,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 131 transitions, 1989 flow [2021-03-25 17:39:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:39:04,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:39:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 122 transitions. [2021-03-25 17:39:04,513 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23106060606060605 [2021-03-25 17:39:04,513 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 122 transitions. [2021-03-25 17:39:04,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 122 transitions. [2021-03-25 17:39:04,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:04,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 122 transitions. [2021-03-25 17:39:04,513 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) [2021-03-25 17:39:04,514 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) [2021-03-25 17:39:04,514 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) [2021-03-25 17:39:04,514 INFO L185 Difference]: Start difference. First operand has 97 places, 105 transitions, 1359 flow. Second operand 12 states and 122 transitions. [2021-03-25 17:39:04,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 131 transitions, 1989 flow [2021-03-25 17:39:04,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 131 transitions, 1847 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:04,528 INFO L241 Difference]: Finished difference. Result has 106 places, 128 transitions, 1729 flow [2021-03-25 17:39:04,528 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} [2021-03-25 17:39:04,528 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 89 predicate places. [2021-03-25 17:39:04,528 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:04,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 128 transitions, 1729 flow [2021-03-25 17:39:04,529 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 128 transitions, 1729 flow [2021-03-25 17:39:04,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 128 transitions, 1729 flow [2021-03-25 17:39:04,547 INFO L129 PetriNetUnfolder]: 94/212 cut-off events. [2021-03-25 17:39:04,547 INFO L130 PetriNetUnfolder]: For 2107/2107 co-relation queries the response was YES. [2021-03-25 17:39:04,548 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. [2021-03-25 17:39:04,550 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-25 17:39:04,751 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-25 17:39:04,752 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 17:39:04,752 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-03-25 17:39:04,753 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 124 transitions, 1692 flow [2021-03-25 17:39:04,753 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) [2021-03-25 17:39:04,753 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:04,753 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:04,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-25 17:39:04,976 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:04,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:04,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1360476246, now seen corresponding path program 1 times [2021-03-25 17:39:04,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:04,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182851604] [2021-03-25 17:39:04,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:04,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:04,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:04,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:04,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:05,003 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:05,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:05,008 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:05,008 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:05,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:05,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182851604] [2021-03-25 17:39:05,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588706260] [2021-03-25 17:39:05,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:39:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:05,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:05,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:05,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:05,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:05,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:05,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:05,100 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 [2021-03-25 17:39:05,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:05,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:05,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:05,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:05,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:05,107 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:05,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:05,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:05,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:05,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:05,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:05,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:05,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:05,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:05,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:05,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:05,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:05,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:05,130 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 [2021-03-25 17:39:05,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:05,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:05,132 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:05,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:05,139 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. [2021-03-25 17:39:05,139 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:05,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:05,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:05,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:05,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:05,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:05,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:05,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853535871] [2021-03-25 17:39:05,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:05,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:05,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:05,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:05,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 51 [2021-03-25 17:39:05,156 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) [2021-03-25 17:39:05,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:05,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 51 [2021-03-25 17:39:05,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:05,471 INFO L129 PetriNetUnfolder]: 126/295 cut-off events. [2021-03-25 17:39:05,471 INFO L130 PetriNetUnfolder]: For 3684/3743 co-relation queries the response was YES. [2021-03-25 17:39:05,472 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. [2021-03-25 17:39:05,475 INFO L132 encePairwiseOnDemand]: 39/51 looper letters, 79 selfloop transitions, 105 changer transitions 1/188 dead transitions. [2021-03-25 17:39:05,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 188 transitions, 3075 flow [2021-03-25 17:39:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 17:39:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 17:39:05,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 213 transitions. [2021-03-25 17:39:05,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19887955182072828 [2021-03-25 17:39:05,477 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 213 transitions. [2021-03-25 17:39:05,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 213 transitions. [2021-03-25 17:39:05,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:05,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 213 transitions. [2021-03-25 17:39:05,478 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) [2021-03-25 17:39:05,480 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) [2021-03-25 17:39:05,480 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) [2021-03-25 17:39:05,480 INFO L185 Difference]: Start difference. First operand has 105 places, 124 transitions, 1692 flow. Second operand 21 states and 213 transitions. [2021-03-25 17:39:05,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 188 transitions, 3075 flow [2021-03-25 17:39:05,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 188 transitions, 2983 flow, removed 42 selfloop flow, removed 3 redundant places. [2021-03-25 17:39:05,499 INFO L241 Difference]: Finished difference. Result has 126 places, 162 transitions, 2551 flow [2021-03-25 17:39:05,499 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} [2021-03-25 17:39:05,499 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 109 predicate places. [2021-03-25 17:39:05,500 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:05,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 162 transitions, 2551 flow [2021-03-25 17:39:05,500 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 162 transitions, 2551 flow [2021-03-25 17:39:05,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 162 transitions, 2551 flow [2021-03-25 17:39:05,549 INFO L129 PetriNetUnfolder]: 126/294 cut-off events. [2021-03-25 17:39:05,549 INFO L130 PetriNetUnfolder]: For 4564/4574 co-relation queries the response was YES. [2021-03-25 17:39:05,551 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. [2021-03-25 17:39:05,553 INFO L142 LiptonReduction]: Number of co-enabled transitions 336 [2021-03-25 17:39:05,654 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 17:39:05,655 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 17:39:05,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-25 17:39:05,655 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 159 transitions, 2513 flow [2021-03-25 17:39:05,656 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) [2021-03-25 17:39:05,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:05,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:39:05,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:05,876 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:05,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:05,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1666809258, now seen corresponding path program 1 times [2021-03-25 17:39:05,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:05,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432084672] [2021-03-25 17:39:05,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:05,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:05,901 INFO L142 QuantifierPusher]: treesize reduction 77, result has 45.0 percent of original size [2021-03-25 17:39:05,902 INFO L147 QuantifierPusher]: treesize reduction 17, result has 73.0 percent of original size 46 [2021-03-25 17:39:05,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:05,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:05,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432084672] [2021-03-25 17:39:05,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:05,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:39:05,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387600284] [2021-03-25 17:39:05,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:39:05,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:05,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:39:05,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:39:05,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-25 17:39:05,945 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) [2021-03-25 17:39:05,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:05,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-25 17:39:05,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:06,034 INFO L129 PetriNetUnfolder]: 125/292 cut-off events. [2021-03-25 17:39:06,034 INFO L130 PetriNetUnfolder]: For 4481/4546 co-relation queries the response was YES. [2021-03-25 17:39:06,036 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. [2021-03-25 17:39:06,039 INFO L132 encePairwiseOnDemand]: 44/54 looper letters, 126 selfloop transitions, 29 changer transitions 4/162 dead transitions. [2021-03-25 17:39:06,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 162 transitions, 2882 flow [2021-03-25 17:39:06,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:39:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:39:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2021-03-25 17:39:06,040 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2222222222222222 [2021-03-25 17:39:06,040 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 60 transitions. [2021-03-25 17:39:06,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 60 transitions. [2021-03-25 17:39:06,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:06,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 60 transitions. [2021-03-25 17:39:06,040 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) [2021-03-25 17:39:06,041 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) [2021-03-25 17:39:06,041 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) [2021-03-25 17:39:06,041 INFO L185 Difference]: Start difference. First operand has 124 places, 159 transitions, 2513 flow. Second operand 5 states and 60 transitions. [2021-03-25 17:39:06,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 162 transitions, 2882 flow [2021-03-25 17:39:06,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 162 transitions, 2712 flow, removed 61 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:06,062 INFO L241 Difference]: Finished difference. Result has 122 places, 157 transitions, 2372 flow [2021-03-25 17:39:06,062 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} [2021-03-25 17:39:06,062 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 105 predicate places. [2021-03-25 17:39:06,062 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:06,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 157 transitions, 2372 flow [2021-03-25 17:39:06,063 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 157 transitions, 2372 flow [2021-03-25 17:39:06,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 157 transitions, 2372 flow [2021-03-25 17:39:06,090 INFO L129 PetriNetUnfolder]: 124/288 cut-off events. [2021-03-25 17:39:06,091 INFO L130 PetriNetUnfolder]: For 4044/4055 co-relation queries the response was YES. [2021-03-25 17:39:06,092 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. [2021-03-25 17:39:06,095 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-25 17:39:06,104 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:06,105 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:06,105 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-25 17:39:06,105 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 157 transitions, 2372 flow [2021-03-25 17:39:06,105 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) [2021-03-25 17:39:06,105 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:06,105 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:06,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 17:39:06,106 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:06,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:06,106 INFO L82 PathProgramCache]: Analyzing trace with hash 190320609, now seen corresponding path program 1 times [2021-03-25 17:39:06,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:06,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114213935] [2021-03-25 17:39:06,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:06,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:06,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:06,129 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:06,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:06,133 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:06,134 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:06,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:06,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114213935] [2021-03-25 17:39:06,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615312942] [2021-03-25 17:39:06,152 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) [2021-03-25 17:39:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:06,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:39:06,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:06,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:06,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:06,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:06,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:06,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,231 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 [2021-03-25 17:39:06,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:06,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:06,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:06,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:06,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:06,237 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:06,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:06,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:06,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:06,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:06,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:06,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:06,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:06,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:06,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:06,279 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 [2021-03-25 17:39:06,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:06,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:06,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:06,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:06,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:06,289 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. [2021-03-25 17:39:06,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:06,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:06,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:06,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:06,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:06,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:06,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:06,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719505681] [2021-03-25 17:39:06,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:06,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:06,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:06,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:06,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-25 17:39:06,306 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) [2021-03-25 17:39:06,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:06,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-25 17:39:06,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:06,528 INFO L129 PetriNetUnfolder]: 151/352 cut-off events. [2021-03-25 17:39:06,528 INFO L130 PetriNetUnfolder]: For 5152/5219 co-relation queries the response was YES. [2021-03-25 17:39:06,530 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. [2021-03-25 17:39:06,534 INFO L132 encePairwiseOnDemand]: 41/54 looper letters, 118 selfloop transitions, 72 changer transitions 8/201 dead transitions. [2021-03-25 17:39:06,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 201 transitions, 3471 flow [2021-03-25 17:39:06,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:39:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:39:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2021-03-25 17:39:06,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19444444444444445 [2021-03-25 17:39:06,537 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 126 transitions. [2021-03-25 17:39:06,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 126 transitions. [2021-03-25 17:39:06,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:06,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 126 transitions. [2021-03-25 17:39:06,537 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) [2021-03-25 17:39:06,538 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) [2021-03-25 17:39:06,539 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) [2021-03-25 17:39:06,539 INFO L185 Difference]: Start difference. First operand has 120 places, 157 transitions, 2372 flow. Second operand 12 states and 126 transitions. [2021-03-25 17:39:06,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 201 transitions, 3471 flow [2021-03-25 17:39:06,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 201 transitions, 3391 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:06,563 INFO L241 Difference]: Finished difference. Result has 131 places, 181 transitions, 2871 flow [2021-03-25 17:39:06,563 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} [2021-03-25 17:39:06,563 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 114 predicate places. [2021-03-25 17:39:06,564 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:06,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 181 transitions, 2871 flow [2021-03-25 17:39:06,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 181 transitions, 2871 flow [2021-03-25 17:39:06,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 181 transitions, 2871 flow [2021-03-25 17:39:06,599 INFO L129 PetriNetUnfolder]: 149/344 cut-off events. [2021-03-25 17:39:06,599 INFO L130 PetriNetUnfolder]: For 5182/5211 co-relation queries the response was YES. [2021-03-25 17:39:06,601 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. [2021-03-25 17:39:06,604 INFO L142 LiptonReduction]: Number of co-enabled transitions 372 [2021-03-25 17:39:06,615 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:06,616 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:06,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-25 17:39:06,617 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 181 transitions, 2871 flow [2021-03-25 17:39:06,617 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) [2021-03-25 17:39:06,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:06,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:06,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-25 17:39:06,832 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:06,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:06,832 INFO L82 PathProgramCache]: Analyzing trace with hash 295759644, now seen corresponding path program 1 times [2021-03-25 17:39:06,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:06,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304127043] [2021-03-25 17:39:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:06,857 INFO L142 QuantifierPusher]: treesize reduction 69, result has 33.7 percent of original size [2021-03-25 17:39:06,858 INFO L147 QuantifierPusher]: treesize reduction 7, result has 80.0 percent of original size 28 [2021-03-25 17:39:06,880 INFO L142 QuantifierPusher]: treesize reduction 77, result has 43.0 percent of original size [2021-03-25 17:39:06,880 INFO L147 QuantifierPusher]: treesize reduction 7, result has 87.9 percent of original size 51 [2021-03-25 17:39:06,904 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:06,905 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:06,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:06,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304127043] [2021-03-25 17:39:06,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102915440] [2021-03-25 17:39:06,927 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) [2021-03-25 17:39:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:06,951 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:39:06,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:06,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:06,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,965 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:06,965 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:06,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:06,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:06,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:06,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:06,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:06,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:06,986 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 [2021-03-25 17:39:06,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:06,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:06,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:06,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:06,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:06,993 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:06,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:06,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:06,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:07,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:07,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:07,031 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 [2021-03-25 17:39:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:07,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:07,033 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:07,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:07,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:07,044 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:32 [2021-03-25 17:39:07,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:07,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:07,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:07,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:07,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:07,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:07,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:07,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:07,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:07,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:07,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:07,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,078 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 [2021-03-25 17:39:07,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:07,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:07,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:07,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:07,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:07,093 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. [2021-03-25 17:39:07,093 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:37 [2021-03-25 17:39:07,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:07,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:07,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:07,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:07,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:07,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:07,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13727416] [2021-03-25 17:39:07,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:07,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:07,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:07,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:07,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-25 17:39:07,120 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) [2021-03-25 17:39:07,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:07,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-25 17:39:07,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:07,356 INFO L129 PetriNetUnfolder]: 154/358 cut-off events. [2021-03-25 17:39:07,356 INFO L130 PetriNetUnfolder]: For 5456/5526 co-relation queries the response was YES. [2021-03-25 17:39:07,358 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. [2021-03-25 17:39:07,361 INFO L132 encePairwiseOnDemand]: 43/54 looper letters, 134 selfloop transitions, 53 changer transitions 17/207 dead transitions. [2021-03-25 17:39:07,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 207 transitions, 3746 flow [2021-03-25 17:39:07,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 17:39:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 17:39:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 105 transitions. [2021-03-25 17:39:07,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19444444444444445 [2021-03-25 17:39:07,362 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 105 transitions. [2021-03-25 17:39:07,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 105 transitions. [2021-03-25 17:39:07,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:07,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 105 transitions. [2021-03-25 17:39:07,363 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) [2021-03-25 17:39:07,364 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) [2021-03-25 17:39:07,364 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) [2021-03-25 17:39:07,364 INFO L185 Difference]: Start difference. First operand has 128 places, 181 transitions, 2871 flow. Second operand 10 states and 105 transitions. [2021-03-25 17:39:07,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 207 transitions, 3746 flow [2021-03-25 17:39:07,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 207 transitions, 3610 flow, removed 60 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:07,391 INFO L241 Difference]: Finished difference. Result has 137 places, 183 transitions, 2924 flow [2021-03-25 17:39:07,391 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} [2021-03-25 17:39:07,392 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 120 predicate places. [2021-03-25 17:39:07,392 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:07,392 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 183 transitions, 2924 flow [2021-03-25 17:39:07,392 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 183 transitions, 2924 flow [2021-03-25 17:39:07,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 183 transitions, 2924 flow [2021-03-25 17:39:07,428 INFO L129 PetriNetUnfolder]: 148/336 cut-off events. [2021-03-25 17:39:07,428 INFO L130 PetriNetUnfolder]: For 5214/5239 co-relation queries the response was YES. [2021-03-25 17:39:07,430 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. [2021-03-25 17:39:07,433 INFO L142 LiptonReduction]: Number of co-enabled transitions 374 [2021-03-25 17:39:07,442 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:07,442 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:07,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-25 17:39:07,443 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 183 transitions, 2924 flow [2021-03-25 17:39:07,443 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) [2021-03-25 17:39:07,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:07,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:07,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-25 17:39:07,656 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:07,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:07,656 INFO L82 PathProgramCache]: Analyzing trace with hash 309320873, now seen corresponding path program 1 times [2021-03-25 17:39:07,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:07,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616858428] [2021-03-25 17:39:07,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:07,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:07,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:07,685 INFO L142 QuantifierPusher]: treesize reduction 71, result has 28.3 percent of original size [2021-03-25 17:39:07,685 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-25 17:39:07,708 INFO L142 QuantifierPusher]: treesize reduction 66, result has 49.2 percent of original size [2021-03-25 17:39:07,708 INFO L147 QuantifierPusher]: treesize reduction 18, result has 71.9 percent of original size 46 [2021-03-25 17:39:07,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:07,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616858428] [2021-03-25 17:39:07,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838290910] [2021-03-25 17:39:07,751 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 [2021-03-25 17:39:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:07,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:39:07,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:07,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:07,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:07,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:07,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:07,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:07,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:07,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:07,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:07,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:07,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:07,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:07,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:07,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:07,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:07,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:07,819 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 [2021-03-25 17:39:07,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:07,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:07,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:07,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:07,826 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:07,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:07,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:07,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:07,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:07,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:07,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:39:07,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:07,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:07,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:07,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:07,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:07,859 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 [2021-03-25 17:39:07,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:07,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:07,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:07,869 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:07,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:07,873 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. [2021-03-25 17:39:07,873 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:38 [2021-03-25 17:39:07,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:07,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:07,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:07,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:07,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:07,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:07,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:07,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:39:07,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:39:07,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127285682] [2021-03-25 17:39:07,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:39:07,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:07,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:39:07,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:07,889 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-25 17:39:07,889 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) [2021-03-25 17:39:07,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:07,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-25 17:39:07,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:08,017 INFO L129 PetriNetUnfolder]: 149/338 cut-off events. [2021-03-25 17:39:08,017 INFO L130 PetriNetUnfolder]: For 5377/5417 co-relation queries the response was YES. [2021-03-25 17:39:08,019 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. [2021-03-25 17:39:08,022 INFO L132 encePairwiseOnDemand]: 43/54 looper letters, 167 selfloop transitions, 16 changer transitions 0/186 dead transitions. [2021-03-25 17:39:08,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 186 transitions, 3354 flow [2021-03-25 17:39:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:39:08,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:39:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 75 transitions. [2021-03-25 17:39:08,023 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1984126984126984 [2021-03-25 17:39:08,023 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 75 transitions. [2021-03-25 17:39:08,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 75 transitions. [2021-03-25 17:39:08,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:08,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 75 transitions. [2021-03-25 17:39:08,024 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) [2021-03-25 17:39:08,024 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) [2021-03-25 17:39:08,024 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) [2021-03-25 17:39:08,024 INFO L185 Difference]: Start difference. First operand has 132 places, 183 transitions, 2924 flow. Second operand 7 states and 75 transitions. [2021-03-25 17:39:08,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 186 transitions, 3354 flow [2021-03-25 17:39:08,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 186 transitions, 3240 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-03-25 17:39:08,051 INFO L241 Difference]: Finished difference. Result has 133 places, 185 transitions, 2893 flow [2021-03-25 17:39:08,051 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} [2021-03-25 17:39:08,051 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 116 predicate places. [2021-03-25 17:39:08,051 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:08,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 185 transitions, 2893 flow [2021-03-25 17:39:08,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 185 transitions, 2893 flow [2021-03-25 17:39:08,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 185 transitions, 2893 flow [2021-03-25 17:39:08,085 INFO L129 PetriNetUnfolder]: 149/338 cut-off events. [2021-03-25 17:39:08,085 INFO L130 PetriNetUnfolder]: For 4965/4975 co-relation queries the response was YES. [2021-03-25 17:39:08,087 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. [2021-03-25 17:39:08,089 INFO L142 LiptonReduction]: Number of co-enabled transitions 378 [2021-03-25 17:39:08,109 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:08,109 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:08,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-25 17:39:08,110 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 184 transitions, 2870 flow [2021-03-25 17:39:08,110 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) [2021-03-25 17:39:08,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:08,110 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:08,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-25 17:39:08,331 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:08,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:08,332 INFO L82 PathProgramCache]: Analyzing trace with hash 2101700304, now seen corresponding path program 1 times [2021-03-25 17:39:08,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:08,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373795327] [2021-03-25 17:39:08,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:08,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:08,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:08,357 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-03-25 17:39:08,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:08,362 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 17:39:08,364 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-25 17:39:08,401 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:08,401 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:08,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:08,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373795327] [2021-03-25 17:39:08,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790508514] [2021-03-25 17:39:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:39:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:08,431 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:39:08,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:08,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,447 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:08,447 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:08,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,457 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:08,457 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:08,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:08,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:08,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:08,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:08,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:08,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:08,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:08,476 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 [2021-03-25 17:39:08,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:08,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:08,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:08,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:08,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:08,482 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:08,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:08,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:08,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:08,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:08,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:08,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:08,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:08,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:08,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-03-25 17:39:08,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:08,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:08,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:08,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:08,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:08,509 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:08,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:08,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:08,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:08,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:08,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:08,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:08,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:08,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:08,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:08,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:08,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:08,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:08,537 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 [2021-03-25 17:39:08,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:08,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:08,538 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:08,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:08,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:08,547 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. [2021-03-25 17:39:08,547 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-25 17:39:08,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:08,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:08,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:08,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:08,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:08,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:08,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:08,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:08,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59332904] [2021-03-25 17:39:08,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:08,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:08,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:08,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:08,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2021-03-25 17:39:08,567 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) [2021-03-25 17:39:08,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:08,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2021-03-25 17:39:08,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:08,750 INFO L129 PetriNetUnfolder]: 151/345 cut-off events. [2021-03-25 17:39:08,750 INFO L130 PetriNetUnfolder]: For 5259/5322 co-relation queries the response was YES. [2021-03-25 17:39:08,752 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. [2021-03-25 17:39:08,755 INFO L132 encePairwiseOnDemand]: 40/54 looper letters, 131 selfloop transitions, 55 changer transitions 5/194 dead transitions. [2021-03-25 17:39:08,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 194 transitions, 3391 flow [2021-03-25 17:39:08,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 17:39:08,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 17:39:08,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 101 transitions. [2021-03-25 17:39:08,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18703703703703703 [2021-03-25 17:39:08,757 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 101 transitions. [2021-03-25 17:39:08,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 101 transitions. [2021-03-25 17:39:08,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:08,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 101 transitions. [2021-03-25 17:39:08,757 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) [2021-03-25 17:39:08,758 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) [2021-03-25 17:39:08,758 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) [2021-03-25 17:39:08,758 INFO L185 Difference]: Start difference. First operand has 133 places, 184 transitions, 2870 flow. Second operand 10 states and 101 transitions. [2021-03-25 17:39:08,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 194 transitions, 3391 flow [2021-03-25 17:39:08,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 194 transitions, 3337 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-25 17:39:08,783 INFO L241 Difference]: Finished difference. Result has 140 places, 185 transitions, 2960 flow [2021-03-25 17:39:08,783 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} [2021-03-25 17:39:08,783 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 123 predicate places. [2021-03-25 17:39:08,783 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:08,783 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 185 transitions, 2960 flow [2021-03-25 17:39:08,784 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 185 transitions, 2960 flow [2021-03-25 17:39:08,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 185 transitions, 2960 flow [2021-03-25 17:39:08,819 INFO L129 PetriNetUnfolder]: 150/340 cut-off events. [2021-03-25 17:39:08,819 INFO L130 PetriNetUnfolder]: For 5451/5464 co-relation queries the response was YES. [2021-03-25 17:39:08,821 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. [2021-03-25 17:39:08,824 INFO L142 LiptonReduction]: Number of co-enabled transitions 378 [2021-03-25 17:39:08,886 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:39:08,886 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:39:08,886 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-25 17:39:08,887 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 184 transitions, 2964 flow [2021-03-25 17:39:08,887 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) [2021-03-25 17:39:08,887 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:08,887 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:09,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-25 17:39:09,109 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:09,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:09,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1642831889, now seen corresponding path program 1 times [2021-03-25 17:39:09,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:09,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814598206] [2021-03-25 17:39:09,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:09,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:09,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:09,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:09,130 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:09,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:09,134 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:09,135 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:09,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:09,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814598206] [2021-03-25 17:39:09,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205241477] [2021-03-25 17:39:09,152 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) [2021-03-25 17:39:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:09,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:09,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:09,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:09,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:09,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:09,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:09,237 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 [2021-03-25 17:39:09,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:09,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:09,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:09,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:09,248 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:09,248 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:09,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:09,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:09,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:09,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:09,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:09,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:09,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:09,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:09,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:09,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:09,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:09,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:09,272 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 [2021-03-25 17:39:09,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:09,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:09,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:09,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:09,281 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. [2021-03-25 17:39:09,281 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:09,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:09,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:09,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:09,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:09,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:09,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:09,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196549886] [2021-03-25 17:39:09,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:09,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:09,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:09,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:09,298 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 56 [2021-03-25 17:39:09,299 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) [2021-03-25 17:39:09,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:09,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 56 [2021-03-25 17:39:09,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:09,609 INFO L129 PetriNetUnfolder]: 185/427 cut-off events. [2021-03-25 17:39:09,609 INFO L130 PetriNetUnfolder]: For 7337/7407 co-relation queries the response was YES. [2021-03-25 17:39:09,611 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. [2021-03-25 17:39:09,614 INFO L132 encePairwiseOnDemand]: 44/56 looper letters, 126 selfloop transitions, 97 changer transitions 26/252 dead transitions. [2021-03-25 17:39:09,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 252 transitions, 4799 flow [2021-03-25 17:39:09,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 17:39:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 17:39:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 206 transitions. [2021-03-25 17:39:09,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18392857142857144 [2021-03-25 17:39:09,616 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 206 transitions. [2021-03-25 17:39:09,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 206 transitions. [2021-03-25 17:39:09,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:09,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 206 transitions. [2021-03-25 17:39:09,616 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) [2021-03-25 17:39:09,617 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) [2021-03-25 17:39:09,618 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) [2021-03-25 17:39:09,618 INFO L185 Difference]: Start difference. First operand has 136 places, 184 transitions, 2964 flow. Second operand 20 states and 206 transitions. [2021-03-25 17:39:09,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 252 transitions, 4799 flow [2021-03-25 17:39:09,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 252 transitions, 4690 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-25 17:39:09,645 INFO L241 Difference]: Finished difference. Result has 154 places, 207 transitions, 3593 flow [2021-03-25 17:39:09,645 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} [2021-03-25 17:39:09,645 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 137 predicate places. [2021-03-25 17:39:09,645 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:09,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 207 transitions, 3593 flow [2021-03-25 17:39:09,646 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 207 transitions, 3593 flow [2021-03-25 17:39:09,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 207 transitions, 3593 flow [2021-03-25 17:39:09,687 INFO L129 PetriNetUnfolder]: 171/389 cut-off events. [2021-03-25 17:39:09,688 INFO L130 PetriNetUnfolder]: For 6240/6246 co-relation queries the response was YES. [2021-03-25 17:39:09,690 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. [2021-03-25 17:39:09,693 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-25 17:39:09,730 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:09,730 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:09,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 86 [2021-03-25 17:39:09,731 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 206 transitions, 3589 flow [2021-03-25 17:39:09,731 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) [2021-03-25 17:39:09,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:09,731 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:09,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-25 17:39:09,932 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:09,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:09,932 INFO L82 PathProgramCache]: Analyzing trace with hash -634055013, now seen corresponding path program 1 times [2021-03-25 17:39:09,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:09,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104051601] [2021-03-25 17:39:09,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:09,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:09,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:09,953 INFO L142 QuantifierPusher]: treesize reduction 69, result has 30.3 percent of original size [2021-03-25 17:39:09,954 INFO L147 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size 23 [2021-03-25 17:39:09,971 INFO L142 QuantifierPusher]: treesize reduction 65, result has 50.0 percent of original size [2021-03-25 17:39:09,972 INFO L147 QuantifierPusher]: treesize reduction 19, result has 70.8 percent of original size 46 [2021-03-25 17:39:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:09,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:10,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104051601] [2021-03-25 17:39:10,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146048643] [2021-03-25 17:39:10,003 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 [2021-03-25 17:39:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:10,017 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:39:10,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:10,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,050 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:10,050 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:10,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:10,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:10,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:10,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:10,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:10,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:10,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:10,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:10,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:10,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:10,067 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 [2021-03-25 17:39:10,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:10,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:10,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:10,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:10,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:10,074 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:10,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:10,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:10,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:10,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:10,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:10,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:10,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:10,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:10,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:10,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:10,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:10,097 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 [2021-03-25 17:39:10,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:10,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:10,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:10,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:10,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:10,107 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:29 [2021-03-25 17:39:10,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:10,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:10,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:10,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:10,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:10,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019934977] [2021-03-25 17:39:10,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:10,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:10,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:10,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:10,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 57 [2021-03-25 17:39:10,125 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) [2021-03-25 17:39:10,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:10,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 57 [2021-03-25 17:39:10,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:10,419 INFO L129 PetriNetUnfolder]: 201/457 cut-off events. [2021-03-25 17:39:10,419 INFO L130 PetriNetUnfolder]: For 7861/7931 co-relation queries the response was YES. [2021-03-25 17:39:10,421 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. [2021-03-25 17:39:10,424 INFO L132 encePairwiseOnDemand]: 42/57 looper letters, 151 selfloop transitions, 108 changer transitions 2/264 dead transitions. [2021-03-25 17:39:10,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 264 transitions, 5193 flow [2021-03-25 17:39:10,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 17:39:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 17:39:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 162 transitions. [2021-03-25 17:39:10,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18947368421052632 [2021-03-25 17:39:10,426 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 162 transitions. [2021-03-25 17:39:10,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 162 transitions. [2021-03-25 17:39:10,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:10,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 162 transitions. [2021-03-25 17:39:10,426 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) [2021-03-25 17:39:10,428 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) [2021-03-25 17:39:10,428 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) [2021-03-25 17:39:10,428 INFO L185 Difference]: Start difference. First operand has 148 places, 206 transitions, 3589 flow. Second operand 15 states and 162 transitions. [2021-03-25 17:39:10,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 264 transitions, 5193 flow [2021-03-25 17:39:10,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 264 transitions, 4939 flow, removed 83 selfloop flow, removed 11 redundant places. [2021-03-25 17:39:10,461 INFO L241 Difference]: Finished difference. Result has 159 places, 254 transitions, 4669 flow [2021-03-25 17:39:10,461 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} [2021-03-25 17:39:10,461 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 142 predicate places. [2021-03-25 17:39:10,461 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:10,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 254 transitions, 4669 flow [2021-03-25 17:39:10,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 254 transitions, 4669 flow [2021-03-25 17:39:10,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 254 transitions, 4669 flow [2021-03-25 17:39:10,504 INFO L129 PetriNetUnfolder]: 201/457 cut-off events. [2021-03-25 17:39:10,504 INFO L130 PetriNetUnfolder]: For 8898/8898 co-relation queries the response was YES. [2021-03-25 17:39:10,506 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. [2021-03-25 17:39:10,510 INFO L142 LiptonReduction]: Number of co-enabled transitions 516 [2021-03-25 17:39:10,792 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-25 17:39:10,792 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-25 17:39:10,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 331 [2021-03-25 17:39:10,792 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 249 transitions, 4620 flow [2021-03-25 17:39:10,792 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) [2021-03-25 17:39:10,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:10,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:10,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:10,996 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:10,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1732232971, now seen corresponding path program 1 times [2021-03-25 17:39:10,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:10,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784796009] [2021-03-25 17:39:10,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:11,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:11,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:11,023 INFO L142 QuantifierPusher]: treesize reduction 99, result has 4.8 percent of original size [2021-03-25 17:39:11,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:11,028 INFO L142 QuantifierPusher]: treesize reduction 106, result has 21.5 percent of original size [2021-03-25 17:39:11,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:11,037 INFO L142 QuantifierPusher]: treesize reduction 18, result has 41.9 percent of original size [2021-03-25 17:39:11,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:11,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:11,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784796009] [2021-03-25 17:39:11,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520455159] [2021-03-25 17:39:11,048 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 [2021-03-25 17:39:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:11,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:39:11,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:11,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:11,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:11,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:11,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:11,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:11,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:11,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:11,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:11,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:11,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:11,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:11,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:11,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:11,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:11,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:11,108 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 [2021-03-25 17:39:11,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:11,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:11,109 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:11,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:11,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:11,115 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:11,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:11,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:11,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:11,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:11,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:11,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:39:11,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:11,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:11,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:11,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,153 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 [2021-03-25 17:39:11,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:11,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:11,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:11,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:39:11,168 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. [2021-03-25 17:39:11,168 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:43 [2021-03-25 17:39:11,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:39:11,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:39:11,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:11,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:11,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:11,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:11,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:11,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:11,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:39:11,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:11,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:11,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:11,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:11,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:11,239 INFO L354 Elim1Store]: treesize reduction 74, result has 26.7 percent of original size [2021-03-25 17:39:11,239 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 [2021-03-25 17:39:11,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:39:11,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:39:11,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:11,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:11,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:11,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:11,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:11,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:11,261 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. [2021-03-25 17:39:11,262 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:48 [2021-03-25 17:39:11,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:11,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:11,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:11,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:11,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:11,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:11,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:11,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:11,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:11,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:11,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:11,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:11,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:11,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351385787] [2021-03-25 17:39:11,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:11,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:11,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:11,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:11,287 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 66 [2021-03-25 17:39:11,287 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) [2021-03-25 17:39:11,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:11,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 66 [2021-03-25 17:39:11,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:11,566 INFO L129 PetriNetUnfolder]: 212/483 cut-off events. [2021-03-25 17:39:11,567 INFO L130 PetriNetUnfolder]: For 9259/9325 co-relation queries the response was YES. [2021-03-25 17:39:11,570 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. [2021-03-25 17:39:11,575 INFO L132 encePairwiseOnDemand]: 51/66 looper letters, 209 selfloop transitions, 64 changer transitions 1/277 dead transitions. [2021-03-25 17:39:11,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 277 transitions, 5586 flow [2021-03-25 17:39:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 17:39:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 17:39:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 138 transitions. [2021-03-25 17:39:11,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16083916083916083 [2021-03-25 17:39:11,576 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 138 transitions. [2021-03-25 17:39:11,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 138 transitions. [2021-03-25 17:39:11,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:11,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 138 transitions. [2021-03-25 17:39:11,576 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) [2021-03-25 17:39:11,577 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) [2021-03-25 17:39:11,577 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) [2021-03-25 17:39:11,578 INFO L185 Difference]: Start difference. First operand has 158 places, 249 transitions, 4620 flow. Second operand 13 states and 138 transitions. [2021-03-25 17:39:11,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 277 transitions, 5586 flow [2021-03-25 17:39:11,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 277 transitions, 5424 flow, removed 72 selfloop flow, removed 5 redundant places. [2021-03-25 17:39:11,614 INFO L241 Difference]: Finished difference. Result has 167 places, 263 transitions, 4808 flow [2021-03-25 17:39:11,614 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} [2021-03-25 17:39:11,614 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 150 predicate places. [2021-03-25 17:39:11,614 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:11,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 263 transitions, 4808 flow [2021-03-25 17:39:11,614 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 263 transitions, 4808 flow [2021-03-25 17:39:11,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 263 transitions, 4808 flow [2021-03-25 17:39:11,659 INFO L129 PetriNetUnfolder]: 212/482 cut-off events. [2021-03-25 17:39:11,659 INFO L130 PetriNetUnfolder]: For 9039/9039 co-relation queries the response was YES. [2021-03-25 17:39:11,662 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. [2021-03-25 17:39:11,668 INFO L142 LiptonReduction]: Number of co-enabled transitions 534 [2021-03-25 17:39:11,810 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:39:11,810 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:39:11,810 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-25 17:39:11,810 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 260 transitions, 4756 flow [2021-03-25 17:39:11,811 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) [2021-03-25 17:39:11,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:11,811 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:39:12,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-25 17:39:12,016 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:12,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:12,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1667659408, now seen corresponding path program 1 times [2021-03-25 17:39:12,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:12,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556021944] [2021-03-25 17:39:12,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:12,041 INFO L142 QuantifierPusher]: treesize reduction 104, result has 13.3 percent of original size [2021-03-25 17:39:12,042 INFO L147 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size 11 [2021-03-25 17:39:12,051 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-03-25 17:39:12,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:12,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:12,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556021944] [2021-03-25 17:39:12,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:12,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:39:12,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58041518] [2021-03-25 17:39:12,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:39:12,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:12,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:39:12,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:39:12,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 68 [2021-03-25 17:39:12,075 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) [2021-03-25 17:39:12,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:12,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 68 [2021-03-25 17:39:12,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:12,285 INFO L129 PetriNetUnfolder]: 212/480 cut-off events. [2021-03-25 17:39:12,285 INFO L130 PetriNetUnfolder]: For 9439/9563 co-relation queries the response was YES. [2021-03-25 17:39:12,288 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. [2021-03-25 17:39:12,294 INFO L132 encePairwiseOnDemand]: 54/68 looper letters, 201 selfloop transitions, 55 changer transitions 4/263 dead transitions. [2021-03-25 17:39:12,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 263 transitions, 5338 flow [2021-03-25 17:39:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:39:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:39:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2021-03-25 17:39:12,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18823529411764706 [2021-03-25 17:39:12,295 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 64 transitions. [2021-03-25 17:39:12,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 64 transitions. [2021-03-25 17:39:12,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:12,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 64 transitions. [2021-03-25 17:39:12,295 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) [2021-03-25 17:39:12,296 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) [2021-03-25 17:39:12,296 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) [2021-03-25 17:39:12,296 INFO L185 Difference]: Start difference. First operand has 163 places, 260 transitions, 4756 flow. Second operand 5 states and 64 transitions. [2021-03-25 17:39:12,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 263 transitions, 5338 flow [2021-03-25 17:39:12,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 263 transitions, 5262 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:12,348 INFO L241 Difference]: Finished difference. Result has 161 places, 258 transitions, 4759 flow [2021-03-25 17:39:12,348 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} [2021-03-25 17:39:12,348 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 144 predicate places. [2021-03-25 17:39:12,348 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:12,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 258 transitions, 4759 flow [2021-03-25 17:39:12,349 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 258 transitions, 4759 flow [2021-03-25 17:39:12,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 258 transitions, 4759 flow [2021-03-25 17:39:12,407 INFO L129 PetriNetUnfolder]: 211/476 cut-off events. [2021-03-25 17:39:12,408 INFO L130 PetriNetUnfolder]: For 8972/8972 co-relation queries the response was YES. [2021-03-25 17:39:12,410 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. [2021-03-25 17:39:12,415 INFO L142 LiptonReduction]: Number of co-enabled transitions 524 [2021-03-25 17:39:12,433 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:12,433 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:12,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-03-25 17:39:12,434 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 258 transitions, 4759 flow [2021-03-25 17:39:12,434 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) [2021-03-25 17:39:12,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:12,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:12,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-25 17:39:12,434 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:12,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:12,434 INFO L82 PathProgramCache]: Analyzing trace with hash 309321617, now seen corresponding path program 1 times [2021-03-25 17:39:12,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:12,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012487814] [2021-03-25 17:39:12,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:12,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:12,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:12,466 INFO L142 QuantifierPusher]: treesize reduction 98, result has 10.1 percent of original size [2021-03-25 17:39:12,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:12,480 INFO L142 QuantifierPusher]: treesize reduction 106, result has 24.3 percent of original size [2021-03-25 17:39:12,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:39:12,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:12,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:12,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012487814] [2021-03-25 17:39:12,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472901677] [2021-03-25 17:39:12,499 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 [2021-03-25 17:39:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:12,520 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:39:12,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:12,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,537 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:12,537 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:12,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,552 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:12,553 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:12,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:12,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:12,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:12,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:12,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:12,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:12,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:12,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:12,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:12,572 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 [2021-03-25 17:39:12,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:12,573 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:12,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:12,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:12,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:12,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:12,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:12,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:12,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:12,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:12,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:12,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:12,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:12,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:12,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:12,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:12,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:12,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:12,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:12,602 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 [2021-03-25 17:39:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:12,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:12,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:12,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:12,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:12,617 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:39 [2021-03-25 17:39:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:12,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:12,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:12,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:12,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775018034] [2021-03-25 17:39:12,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:12,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:12,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:12,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:12,640 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 68 [2021-03-25 17:39:12,640 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) [2021-03-25 17:39:12,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:12,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 68 [2021-03-25 17:39:12,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:12,834 INFO L129 PetriNetUnfolder]: 220/494 cut-off events. [2021-03-25 17:39:12,834 INFO L130 PetriNetUnfolder]: For 9563/9610 co-relation queries the response was YES. [2021-03-25 17:39:12,837 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. [2021-03-25 17:39:12,846 INFO L132 encePairwiseOnDemand]: 55/68 looper letters, 217 selfloop transitions, 55 changer transitions 0/275 dead transitions. [2021-03-25 17:39:12,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 275 transitions, 5594 flow [2021-03-25 17:39:12,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 17:39:12,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 17:39:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 107 transitions. [2021-03-25 17:39:12,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15735294117647058 [2021-03-25 17:39:12,847 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 107 transitions. [2021-03-25 17:39:12,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 107 transitions. [2021-03-25 17:39:12,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:12,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 107 transitions. [2021-03-25 17:39:12,848 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) [2021-03-25 17:39:12,848 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) [2021-03-25 17:39:12,848 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) [2021-03-25 17:39:12,848 INFO L185 Difference]: Start difference. First operand has 159 places, 258 transitions, 4759 flow. Second operand 10 states and 107 transitions. [2021-03-25 17:39:12,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 275 transitions, 5594 flow [2021-03-25 17:39:12,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 275 transitions, 5478 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:12,900 INFO L241 Difference]: Finished difference. Result has 168 places, 274 transitions, 5086 flow [2021-03-25 17:39:12,900 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} [2021-03-25 17:39:12,901 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 151 predicate places. [2021-03-25 17:39:12,901 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:12,901 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 274 transitions, 5086 flow [2021-03-25 17:39:12,901 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 274 transitions, 5086 flow [2021-03-25 17:39:12,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 274 transitions, 5086 flow [2021-03-25 17:39:12,963 INFO L129 PetriNetUnfolder]: 220/494 cut-off events. [2021-03-25 17:39:12,963 INFO L130 PetriNetUnfolder]: For 9285/9313 co-relation queries the response was YES. [2021-03-25 17:39:12,966 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. [2021-03-25 17:39:12,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 560 [2021-03-25 17:39:13,122 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 17:39:13,123 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 17:39:13,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 222 [2021-03-25 17:39:13,123 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 273 transitions, 5099 flow [2021-03-25 17:39:13,123 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) [2021-03-25 17:39:13,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:13,123 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:13,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:13,324 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:13,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:13,324 INFO L82 PathProgramCache]: Analyzing trace with hash -598037694, now seen corresponding path program 1 times [2021-03-25 17:39:13,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:13,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544381006] [2021-03-25 17:39:13,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:13,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:13,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:13,341 INFO L142 QuantifierPusher]: treesize reduction 76, result has 23.2 percent of original size [2021-03-25 17:39:13,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:13,351 INFO L142 QuantifierPusher]: treesize reduction 77, result has 40.8 percent of original size [2021-03-25 17:39:13,352 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.8 percent of original size 46 [2021-03-25 17:39:13,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:13,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544381006] [2021-03-25 17:39:13,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185217978] [2021-03-25 17:39:13,377 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 [2021-03-25 17:39:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:13,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:39:13,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:13,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:13,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:13,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:13,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:13,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:13,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:13,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:13,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:13,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:13,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:13,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:13,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:13,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:13,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:13,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:13,440 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 [2021-03-25 17:39:13,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:13,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:13,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:13,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:13,451 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:13,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:13,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:13,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:13,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:13,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:13,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:13,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:13,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:13,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:39:13,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:13,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:13,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:13,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:13,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:13,484 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 [2021-03-25 17:39:13,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:13,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:13,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:13,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:13,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:13,498 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. [2021-03-25 17:39:13,498 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:38 [2021-03-25 17:39:13,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:13,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:13,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:13,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:13,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:13,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:13,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:39:13,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:39:13,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734452878] [2021-03-25 17:39:13,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:39:13,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:13,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:39:13,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:13,517 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 71 [2021-03-25 17:39:13,518 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) [2021-03-25 17:39:13,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:13,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 71 [2021-03-25 17:39:13,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:13,756 INFO L129 PetriNetUnfolder]: 220/495 cut-off events. [2021-03-25 17:39:13,756 INFO L130 PetriNetUnfolder]: For 10093/10347 co-relation queries the response was YES. [2021-03-25 17:39:13,758 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. [2021-03-25 17:39:13,761 INFO L132 encePairwiseOnDemand]: 58/71 looper letters, 255 selfloop transitions, 18 changer transitions 1/277 dead transitions. [2021-03-25 17:39:13,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 277 transitions, 5743 flow [2021-03-25 17:39:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:39:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:39:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 84 transitions. [2021-03-25 17:39:13,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16901408450704225 [2021-03-25 17:39:13,762 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 84 transitions. [2021-03-25 17:39:13,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 84 transitions. [2021-03-25 17:39:13,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:13,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 84 transitions. [2021-03-25 17:39:13,762 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) [2021-03-25 17:39:13,763 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) [2021-03-25 17:39:13,763 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) [2021-03-25 17:39:13,763 INFO L185 Difference]: Start difference. First operand has 168 places, 273 transitions, 5099 flow. Second operand 7 states and 84 transitions. [2021-03-25 17:39:13,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 277 transitions, 5743 flow [2021-03-25 17:39:13,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 277 transitions, 5651 flow, removed 40 selfloop flow, removed 2 redundant places. [2021-03-25 17:39:13,801 INFO L241 Difference]: Finished difference. Result has 174 places, 275 transitions, 5099 flow [2021-03-25 17:39:13,801 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} [2021-03-25 17:39:13,802 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 157 predicate places. [2021-03-25 17:39:13,802 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:13,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 275 transitions, 5099 flow [2021-03-25 17:39:13,802 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 275 transitions, 5099 flow [2021-03-25 17:39:13,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 275 transitions, 5099 flow [2021-03-25 17:39:13,847 INFO L129 PetriNetUnfolder]: 220/494 cut-off events. [2021-03-25 17:39:13,847 INFO L130 PetriNetUnfolder]: For 9585/9589 co-relation queries the response was YES. [2021-03-25 17:39:13,849 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. [2021-03-25 17:39:13,853 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-25 17:39:13,906 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:39:13,906 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:39:13,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-25 17:39:13,907 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 274 transitions, 5080 flow [2021-03-25 17:39:13,907 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) [2021-03-25 17:39:13,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:13,907 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:39:14,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-03-25 17:39:14,112 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:14,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:14,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1666153267, now seen corresponding path program 1 times [2021-03-25 17:39:14,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:14,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408478870] [2021-03-25 17:39:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:14,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:14,131 INFO L142 QuantifierPusher]: treesize reduction 88, result has 39.3 percent of original size [2021-03-25 17:39:14,131 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.7 percent of original size 46 [2021-03-25 17:39:14,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:14,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408478870] [2021-03-25 17:39:14,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:14,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:39:14,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619298276] [2021-03-25 17:39:14,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:39:14,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:14,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:39:14,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:39:14,167 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 72 [2021-03-25 17:39:14,167 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) [2021-03-25 17:39:14,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:14,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 72 [2021-03-25 17:39:14,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:14,346 INFO L129 PetriNetUnfolder]: 220/495 cut-off events. [2021-03-25 17:39:14,347 INFO L130 PetriNetUnfolder]: For 10007/10166 co-relation queries the response was YES. [2021-03-25 17:39:14,350 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. [2021-03-25 17:39:14,354 INFO L132 encePairwiseOnDemand]: 56/72 looper letters, 231 selfloop transitions, 42 changer transitions 1/277 dead transitions. [2021-03-25 17:39:14,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 277 transitions, 5694 flow [2021-03-25 17:39:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:39:14,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:39:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2021-03-25 17:39:14,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18055555555555555 [2021-03-25 17:39:14,355 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 65 transitions. [2021-03-25 17:39:14,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 65 transitions. [2021-03-25 17:39:14,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:14,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 65 transitions. [2021-03-25 17:39:14,356 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) [2021-03-25 17:39:14,356 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) [2021-03-25 17:39:14,356 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) [2021-03-25 17:39:14,356 INFO L185 Difference]: Start difference. First operand has 173 places, 274 transitions, 5080 flow. Second operand 5 states and 65 transitions. [2021-03-25 17:39:14,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 277 transitions, 5694 flow [2021-03-25 17:39:14,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 277 transitions, 5639 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-03-25 17:39:14,412 INFO L241 Difference]: Finished difference. Result has 175 places, 275 transitions, 5177 flow [2021-03-25 17:39:14,413 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} [2021-03-25 17:39:14,413 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 158 predicate places. [2021-03-25 17:39:14,413 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:14,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 275 transitions, 5177 flow [2021-03-25 17:39:14,413 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 275 transitions, 5177 flow [2021-03-25 17:39:14,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 275 transitions, 5177 flow [2021-03-25 17:39:14,477 INFO L129 PetriNetUnfolder]: 220/494 cut-off events. [2021-03-25 17:39:14,477 INFO L130 PetriNetUnfolder]: For 10554/10564 co-relation queries the response was YES. [2021-03-25 17:39:14,480 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. [2021-03-25 17:39:14,486 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-25 17:39:14,517 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:14,517 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:14,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-25 17:39:14,517 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 274 transitions, 5150 flow [2021-03-25 17:39:14,517 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) [2021-03-25 17:39:14,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:14,517 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:14,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-25 17:39:14,518 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:14,518 INFO L82 PathProgramCache]: Analyzing trace with hash -111143243, now seen corresponding path program 1 times [2021-03-25 17:39:14,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:14,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366842270] [2021-03-25 17:39:14,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:14,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:14,535 INFO L142 QuantifierPusher]: treesize reduction 93, result has 38.0 percent of original size [2021-03-25 17:39:14,536 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.7 percent of original size 46 [2021-03-25 17:39:14,562 INFO L142 QuantifierPusher]: treesize reduction 72, result has 37.4 percent of original size [2021-03-25 17:39:14,562 INFO L147 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size 31 [2021-03-25 17:39:14,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:14,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366842270] [2021-03-25 17:39:14,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498167175] [2021-03-25 17:39:14,600 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 [2021-03-25 17:39:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:14,612 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:39:14,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:14,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:14,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:14,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:14,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:14,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:14,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:14,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:14,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:14,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:14,623 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-03-25 17:39:14,624 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-03-25 17:39:14,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:14,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:14,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:14,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:14,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,654 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 [2021-03-25 17:39:14,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:14,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:14,655 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:14,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:14,667 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:14,667 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:47 [2021-03-25 17:39:14,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:14,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:14,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:14,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:14,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:14,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:14,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:14,687 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size 87 [2021-03-25 17:39:14,687 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-25 17:39:14,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:39:14,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:14,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:39:14,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,742 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 [2021-03-25 17:39:14,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:39:14,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:39:14,745 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:14,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:39:14,771 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:14,771 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:96 [2021-03-25 17:39:14,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:39:14,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:39:14,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:39:14,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:39:14,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:39:14,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:39:14,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:14,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:39:14,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:39:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:14,844 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 [2021-03-25 17:39:14,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-25 17:39:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-25 17:39:14,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:14,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 17:39:14,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:14,877 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2021-03-25 17:39:14,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 17:39:14,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:14,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 17:39:14,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:14,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:14,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:39:14,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247192023] [2021-03-25 17:39:14,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:39:14,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:14,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:39:14,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:39:14,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 72 [2021-03-25 17:39:14,909 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) [2021-03-25 17:39:14,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:14,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 72 [2021-03-25 17:39:14,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:15,199 INFO L129 PetriNetUnfolder]: 220/497 cut-off events. [2021-03-25 17:39:15,199 INFO L130 PetriNetUnfolder]: For 10885/10969 co-relation queries the response was YES. [2021-03-25 17:39:15,201 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. [2021-03-25 17:39:15,204 INFO L132 encePairwiseOnDemand]: 56/72 looper letters, 231 selfloop transitions, 44 changer transitions 1/279 dead transitions. [2021-03-25 17:39:15,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 279 transitions, 5822 flow [2021-03-25 17:39:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:39:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:39:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 91 transitions. [2021-03-25 17:39:15,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1579861111111111 [2021-03-25 17:39:15,205 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 91 transitions. [2021-03-25 17:39:15,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 91 transitions. [2021-03-25 17:39:15,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:15,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 91 transitions. [2021-03-25 17:39:15,205 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) [2021-03-25 17:39:15,205 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) [2021-03-25 17:39:15,206 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) [2021-03-25 17:39:15,206 INFO L185 Difference]: Start difference. First operand has 174 places, 274 transitions, 5150 flow. Second operand 8 states and 91 transitions. [2021-03-25 17:39:15,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 279 transitions, 5822 flow [2021-03-25 17:39:15,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 279 transitions, 5798 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-25 17:39:15,254 INFO L241 Difference]: Finished difference. Result has 181 places, 277 transitions, 5344 flow [2021-03-25 17:39:15,254 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} [2021-03-25 17:39:15,254 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 164 predicate places. [2021-03-25 17:39:15,254 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:15,254 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 277 transitions, 5344 flow [2021-03-25 17:39:15,255 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 277 transitions, 5344 flow [2021-03-25 17:39:15,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 180 places, 277 transitions, 5344 flow [2021-03-25 17:39:15,302 INFO L129 PetriNetUnfolder]: 220/496 cut-off events. [2021-03-25 17:39:15,303 INFO L130 PetriNetUnfolder]: For 11488/11489 co-relation queries the response was YES. [2021-03-25 17:39:15,305 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. [2021-03-25 17:39:15,308 INFO L142 LiptonReduction]: Number of co-enabled transitions 566 [2021-03-25 17:39:15,468 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:39:15,468 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:39:15,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-25 17:39:15,469 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 274 transitions, 5271 flow [2021-03-25 17:39:15,469 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) [2021-03-25 17:39:15,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:15,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:15,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-03-25 17:39:15,670 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:15,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:15,671 INFO L82 PathProgramCache]: Analyzing trace with hash 796017184, now seen corresponding path program 1 times [2021-03-25 17:39:15,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:15,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132571127] [2021-03-25 17:39:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:15,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:15,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:15,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:15,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:15,688 INFO L142 QuantifierPusher]: treesize reduction 99, result has 4.8 percent of original size [2021-03-25 17:39:15,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:15,694 INFO L142 QuantifierPusher]: treesize reduction 106, result has 21.5 percent of original size [2021-03-25 17:39:15,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:15,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:15,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:15,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132571127] [2021-03-25 17:39:15,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:15,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:39:15,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504754821] [2021-03-25 17:39:15,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:39:15,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:15,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:39:15,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:39:15,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-25 17:39:15,708 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) [2021-03-25 17:39:15,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:15,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-25 17:39:15,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:15,880 INFO L129 PetriNetUnfolder]: 238/538 cut-off events. [2021-03-25 17:39:15,880 INFO L130 PetriNetUnfolder]: For 13102/13347 co-relation queries the response was YES. [2021-03-25 17:39:15,883 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. [2021-03-25 17:39:15,886 INFO L132 encePairwiseOnDemand]: 58/74 looper letters, 233 selfloop transitions, 69 changer transitions 0/305 dead transitions. [2021-03-25 17:39:15,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 305 transitions, 6455 flow [2021-03-25 17:39:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 17:39:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 17:39:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 103 transitions. [2021-03-25 17:39:15,887 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15465465465465467 [2021-03-25 17:39:15,887 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 103 transitions. [2021-03-25 17:39:15,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 103 transitions. [2021-03-25 17:39:15,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:15,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 103 transitions. [2021-03-25 17:39:15,887 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) [2021-03-25 17:39:15,888 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) [2021-03-25 17:39:15,888 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) [2021-03-25 17:39:15,888 INFO L185 Difference]: Start difference. First operand has 178 places, 274 transitions, 5271 flow. Second operand 9 states and 103 transitions. [2021-03-25 17:39:15,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 305 transitions, 6455 flow [2021-03-25 17:39:15,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 305 transitions, 6291 flow, removed 23 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:15,941 INFO L241 Difference]: Finished difference. Result has 183 places, 292 transitions, 5691 flow [2021-03-25 17:39:15,941 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} [2021-03-25 17:39:15,941 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 166 predicate places. [2021-03-25 17:39:15,941 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:15,941 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 292 transitions, 5691 flow [2021-03-25 17:39:15,941 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 292 transitions, 5691 flow [2021-03-25 17:39:15,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 292 transitions, 5691 flow [2021-03-25 17:39:15,994 INFO L129 PetriNetUnfolder]: 238/538 cut-off events. [2021-03-25 17:39:15,995 INFO L130 PetriNetUnfolder]: For 11876/11932 co-relation queries the response was YES. [2021-03-25 17:39:15,997 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. [2021-03-25 17:39:16,001 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-25 17:39:16,034 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:16,035 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:16,035 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-03-25 17:39:16,035 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 291 transitions, 5661 flow [2021-03-25 17:39:16,035 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) [2021-03-25 17:39:16,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:16,035 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:16,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-25 17:39:16,035 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:16,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:16,035 INFO L82 PathProgramCache]: Analyzing trace with hash -111139399, now seen corresponding path program 1 times [2021-03-25 17:39:16,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:16,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109698125] [2021-03-25 17:39:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:16,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:16,055 INFO L142 QuantifierPusher]: treesize reduction 198, result has 34.0 percent of original size [2021-03-25 17:39:16,056 INFO L147 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size 82 [2021-03-25 17:39:16,098 INFO L142 QuantifierPusher]: treesize reduction 18, result has 41.9 percent of original size [2021-03-25 17:39:16,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:16,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:16,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109698125] [2021-03-25 17:39:16,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918296881] [2021-03-25 17:39:16,112 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 [2021-03-25 17:39:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:16,135 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:39:16,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:16,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:16,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:16,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:16,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:16,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:16,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:16,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:16,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:16,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:16,150 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-03-25 17:39:16,151 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-03-25 17:39:16,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:16,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:16,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:16,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,234 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 [2021-03-25 17:39:16,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:16,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:16,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:16,249 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:16,249 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:47 [2021-03-25 17:39:16,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:16,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:16,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:16,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:16,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:16,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:16,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:39:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:39:16,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:16,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:39:16,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,326 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 [2021-03-25 17:39:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-25 17:39:16,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-25 17:39:16,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:16,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:39:16,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:16,355 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:92 [2021-03-25 17:39:16,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:39:16,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:39:16,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:39:16,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:39:16,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:39:16,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:39:16,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:16,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:39:16,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:39:16,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:39:16,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:39:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:16,452 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 [2021-03-25 17:39:16,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-25 17:39:16,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-25 17:39:16,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:16,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:16,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:16,488 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. [2021-03-25 17:39:16,488 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:98, output treesize:97 [2021-03-25 17:39:16,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:16,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:16,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:16,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:16,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:16,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:16,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:16,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:39:16,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103074225] [2021-03-25 17:39:16,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:39:16,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:16,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:39:16,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:39:16,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-25 17:39:16,529 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) [2021-03-25 17:39:16,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:16,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-25 17:39:16,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:16,776 INFO L129 PetriNetUnfolder]: 238/538 cut-off events. [2021-03-25 17:39:16,776 INFO L130 PetriNetUnfolder]: For 12670/12885 co-relation queries the response was YES. [2021-03-25 17:39:16,779 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. [2021-03-25 17:39:16,783 INFO L132 encePairwiseOnDemand]: 59/74 looper letters, 245 selfloop transitions, 41 changer transitions 5/294 dead transitions. [2021-03-25 17:39:16,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 294 transitions, 6311 flow [2021-03-25 17:39:16,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:39:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:39:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 81 transitions. [2021-03-25 17:39:16,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15637065637065636 [2021-03-25 17:39:16,792 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 81 transitions. [2021-03-25 17:39:16,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 81 transitions. [2021-03-25 17:39:16,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:16,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 81 transitions. [2021-03-25 17:39:16,793 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) [2021-03-25 17:39:16,793 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) [2021-03-25 17:39:16,793 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) [2021-03-25 17:39:16,793 INFO L185 Difference]: Start difference. First operand has 183 places, 291 transitions, 5661 flow. Second operand 7 states and 81 transitions. [2021-03-25 17:39:16,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 294 transitions, 6311 flow [2021-03-25 17:39:16,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 294 transitions, 6234 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:16,864 INFO L241 Difference]: Finished difference. Result has 186 places, 288 transitions, 5594 flow [2021-03-25 17:39:16,865 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} [2021-03-25 17:39:16,865 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 169 predicate places. [2021-03-25 17:39:16,865 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:16,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 288 transitions, 5594 flow [2021-03-25 17:39:16,865 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 288 transitions, 5594 flow [2021-03-25 17:39:16,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 288 transitions, 5594 flow [2021-03-25 17:39:16,936 INFO L129 PetriNetUnfolder]: 237/533 cut-off events. [2021-03-25 17:39:16,937 INFO L130 PetriNetUnfolder]: For 12548/12548 co-relation queries the response was YES. [2021-03-25 17:39:16,940 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. [2021-03-25 17:39:16,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 586 [2021-03-25 17:39:16,969 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:16,969 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:16,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-03-25 17:39:16,970 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 288 transitions, 5594 flow [2021-03-25 17:39:16,970 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) [2021-03-25 17:39:16,971 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:16,971 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:17,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-25 17:39:17,185 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:17,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:17,185 INFO L82 PathProgramCache]: Analyzing trace with hash -598645015, now seen corresponding path program 1 times [2021-03-25 17:39:17,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:17,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113464842] [2021-03-25 17:39:17,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:17,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:17,206 INFO L142 QuantifierPusher]: treesize reduction 77, result has 31.3 percent of original size [2021-03-25 17:39:17,207 INFO L147 QuantifierPusher]: treesize reduction 7, result has 80.0 percent of original size 28 [2021-03-25 17:39:17,230 INFO L142 QuantifierPusher]: treesize reduction 73, result has 46.3 percent of original size [2021-03-25 17:39:17,231 INFO L147 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size 51 [2021-03-25 17:39:17,262 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:17,263 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:17,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:17,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113464842] [2021-03-25 17:39:17,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201208859] [2021-03-25 17:39:17,281 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 [2021-03-25 17:39:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:17,293 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:39:17,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:17,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:17,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:17,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:17,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:17,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:17,330 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 [2021-03-25 17:39:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:17,331 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:17,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:17,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:17,337 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:17,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:17,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:17,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:17,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:17,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:17,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:17,354 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 [2021-03-25 17:39:17,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:17,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:17,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:17,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:17,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:17,365 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:32 [2021-03-25 17:39:17,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:17,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:17,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:17,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:17,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:17,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:17,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:17,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:17,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:39:17,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:17,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:17,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:17,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:17,394 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 [2021-03-25 17:39:17,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:17,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:17,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:17,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:17,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:17,407 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. [2021-03-25 17:39:17,407 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:37 [2021-03-25 17:39:17,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:17,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:17,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:17,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:17,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:17,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:17,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:17,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:17,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679508579] [2021-03-25 17:39:17,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:17,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:17,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:17,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:17,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-25 17:39:17,427 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) [2021-03-25 17:39:17,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:17,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-25 17:39:17,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:17,674 INFO L129 PetriNetUnfolder]: 254/574 cut-off events. [2021-03-25 17:39:17,674 INFO L130 PetriNetUnfolder]: For 14777/14848 co-relation queries the response was YES. [2021-03-25 17:39:17,677 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. [2021-03-25 17:39:17,681 INFO L132 encePairwiseOnDemand]: 55/74 looper letters, 219 selfloop transitions, 85 changer transitions 17/324 dead transitions. [2021-03-25 17:39:17,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 324 transitions, 7121 flow [2021-03-25 17:39:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 17:39:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 17:39:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 110 transitions. [2021-03-25 17:39:17,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14864864864864866 [2021-03-25 17:39:17,688 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 110 transitions. [2021-03-25 17:39:17,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 110 transitions. [2021-03-25 17:39:17,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:17,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 110 transitions. [2021-03-25 17:39:17,689 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) [2021-03-25 17:39:17,690 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) [2021-03-25 17:39:17,690 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) [2021-03-25 17:39:17,690 INFO L185 Difference]: Start difference. First operand has 182 places, 288 transitions, 5594 flow. Second operand 10 states and 110 transitions. [2021-03-25 17:39:17,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 324 transitions, 7121 flow [2021-03-25 17:39:17,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 324 transitions, 6866 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:17,763 INFO L241 Difference]: Finished difference. Result has 187 places, 298 transitions, 5894 flow [2021-03-25 17:39:17,763 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} [2021-03-25 17:39:17,763 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 170 predicate places. [2021-03-25 17:39:17,763 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:17,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 298 transitions, 5894 flow [2021-03-25 17:39:17,764 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 298 transitions, 5894 flow [2021-03-25 17:39:17,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 298 transitions, 5894 flow [2021-03-25 17:39:17,858 INFO L129 PetriNetUnfolder]: 249/556 cut-off events. [2021-03-25 17:39:17,858 INFO L130 PetriNetUnfolder]: For 12790/12796 co-relation queries the response was YES. [2021-03-25 17:39:17,862 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. [2021-03-25 17:39:17,868 INFO L142 LiptonReduction]: Number of co-enabled transitions 608 [2021-03-25 17:39:17,889 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:17,889 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:17,889 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-03-25 17:39:17,889 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 298 transitions, 5894 flow [2021-03-25 17:39:17,890 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) [2021-03-25 17:39:17,890 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:17,890 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:18,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-25 17:39:18,104 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:18,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:18,104 INFO L82 PathProgramCache]: Analyzing trace with hash -598037167, now seen corresponding path program 1 times [2021-03-25 17:39:18,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:18,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831470831] [2021-03-25 17:39:18,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:18,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,121 INFO L142 QuantifierPusher]: treesize reduction 82, result has 22.6 percent of original size [2021-03-25 17:39:18,121 INFO L147 QuantifierPusher]: treesize reduction 19, result has 20.8 percent of original size 5 [2021-03-25 17:39:18,132 INFO L142 QuantifierPusher]: treesize reduction 83, result has 38.5 percent of original size [2021-03-25 17:39:18,133 INFO L147 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size 35 [2021-03-25 17:39:18,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:18,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831470831] [2021-03-25 17:39:18,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:18,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:39:18,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619040033] [2021-03-25 17:39:18,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:39:18,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:18,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:39:18,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:39:18,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-25 17:39:18,163 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) [2021-03-25 17:39:18,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:18,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-25 17:39:18,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:18,350 INFO L129 PetriNetUnfolder]: 274/614 cut-off events. [2021-03-25 17:39:18,350 INFO L130 PetriNetUnfolder]: For 15007/15122 co-relation queries the response was YES. [2021-03-25 17:39:18,353 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. [2021-03-25 17:39:18,357 INFO L132 encePairwiseOnDemand]: 60/74 looper letters, 248 selfloop transitions, 85 changer transitions 0/336 dead transitions. [2021-03-25 17:39:18,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 336 transitions, 7363 flow [2021-03-25 17:39:18,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:39:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:39:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 93 transitions. [2021-03-25 17:39:18,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1570945945945946 [2021-03-25 17:39:18,372 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 93 transitions. [2021-03-25 17:39:18,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 93 transitions. [2021-03-25 17:39:18,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:18,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 93 transitions. [2021-03-25 17:39:18,373 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) [2021-03-25 17:39:18,373 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) [2021-03-25 17:39:18,374 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) [2021-03-25 17:39:18,374 INFO L185 Difference]: Start difference. First operand has 183 places, 298 transitions, 5894 flow. Second operand 8 states and 93 transitions. [2021-03-25 17:39:18,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 336 transitions, 7363 flow [2021-03-25 17:39:18,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 336 transitions, 7258 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:18,452 INFO L241 Difference]: Finished difference. Result has 187 places, 324 transitions, 6622 flow [2021-03-25 17:39:18,453 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} [2021-03-25 17:39:18,453 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 170 predicate places. [2021-03-25 17:39:18,453 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:18,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 324 transitions, 6622 flow [2021-03-25 17:39:18,453 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 324 transitions, 6622 flow [2021-03-25 17:39:18,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 324 transitions, 6622 flow [2021-03-25 17:39:18,529 INFO L129 PetriNetUnfolder]: 274/614 cut-off events. [2021-03-25 17:39:18,529 INFO L130 PetriNetUnfolder]: For 16323/16333 co-relation queries the response was YES. [2021-03-25 17:39:18,533 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. [2021-03-25 17:39:18,538 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-25 17:39:18,578 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:39:18,579 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:39:18,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-03-25 17:39:18,579 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 322 transitions, 6559 flow [2021-03-25 17:39:18,579 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) [2021-03-25 17:39:18,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:18,579 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:18,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-25 17:39:18,579 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:18,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:18,579 INFO L82 PathProgramCache]: Analyzing trace with hash 842184443, now seen corresponding path program 1 times [2021-03-25 17:39:18,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:18,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810215057] [2021-03-25 17:39:18,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,598 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:18,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:18,603 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:18,603 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:18,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810215057] [2021-03-25 17:39:18,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997372754] [2021-03-25 17:39:18,620 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) [2021-03-25 17:39:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:18,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:18,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:18,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:18,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:18,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:18,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:18,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:18,711 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 [2021-03-25 17:39:18,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:18,712 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:18,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:18,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:18,717 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:18,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:18,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:18,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:18,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:18,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:18,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:18,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:18,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:18,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:18,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:18,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:18,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:18,741 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 [2021-03-25 17:39:18,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:18,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:18,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:18,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:18,750 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. [2021-03-25 17:39:18,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:18,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:18,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:18,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:18,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:18,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:18,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:18,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:18,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063006109] [2021-03-25 17:39:18,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:18,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:18,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:18,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:18,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-25 17:39:18,765 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) [2021-03-25 17:39:18,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:18,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-25 17:39:18,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:19,147 INFO L129 PetriNetUnfolder]: 284/645 cut-off events. [2021-03-25 17:39:19,147 INFO L130 PetriNetUnfolder]: For 18068/18261 co-relation queries the response was YES. [2021-03-25 17:39:19,151 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. [2021-03-25 17:39:19,155 INFO L132 encePairwiseOnDemand]: 57/74 looper letters, 214 selfloop transitions, 144 changer transitions 12/373 dead transitions. [2021-03-25 17:39:19,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 373 transitions, 8303 flow [2021-03-25 17:39:19,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 17:39:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 17:39:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 185 transitions. [2021-03-25 17:39:19,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1388888888888889 [2021-03-25 17:39:19,158 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 185 transitions. [2021-03-25 17:39:19,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 185 transitions. [2021-03-25 17:39:19,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:19,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 185 transitions. [2021-03-25 17:39:19,159 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) [2021-03-25 17:39:19,160 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) [2021-03-25 17:39:19,161 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) [2021-03-25 17:39:19,161 INFO L185 Difference]: Start difference. First operand has 187 places, 322 transitions, 6559 flow. Second operand 18 states and 185 transitions. [2021-03-25 17:39:19,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 373 transitions, 8303 flow [2021-03-25 17:39:19,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 373 transitions, 8271 flow, removed 15 selfloop flow, removed 1 redundant places. [2021-03-25 17:39:19,239 INFO L241 Difference]: Finished difference. Result has 212 places, 343 transitions, 7329 flow [2021-03-25 17:39:19,240 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} [2021-03-25 17:39:19,240 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 195 predicate places. [2021-03-25 17:39:19,240 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:19,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 343 transitions, 7329 flow [2021-03-25 17:39:19,240 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 343 transitions, 7329 flow [2021-03-25 17:39:19,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 343 transitions, 7329 flow [2021-03-25 17:39:19,341 INFO L129 PetriNetUnfolder]: 275/613 cut-off events. [2021-03-25 17:39:19,342 INFO L130 PetriNetUnfolder]: For 18304/18337 co-relation queries the response was YES. [2021-03-25 17:39:19,347 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. [2021-03-25 17:39:19,354 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-25 17:39:19,404 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:39:19,405 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:39:19,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165 [2021-03-25 17:39:19,405 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 341 transitions, 7264 flow [2021-03-25 17:39:19,405 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) [2021-03-25 17:39:19,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:19,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:19,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-03-25 17:39:19,606 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:19,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1642807653, now seen corresponding path program 1 times [2021-03-25 17:39:19,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:19,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291261585] [2021-03-25 17:39:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:19,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:19,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:19,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:19,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:19,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:19,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:19,624 INFO L142 QuantifierPusher]: treesize reduction 38, result has 32.1 percent of original size [2021-03-25 17:39:19,625 INFO L147 QuantifierPusher]: treesize reduction 13, result has 27.8 percent of original size 5 [2021-03-25 17:39:19,635 INFO L142 QuantifierPusher]: treesize reduction 36, result has 48.6 percent of original size [2021-03-25 17:39:19,635 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-03-25 17:39:19,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:19,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:19,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291261585] [2021-03-25 17:39:19,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:19,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 17:39:19,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046208245] [2021-03-25 17:39:19,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 17:39:19,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:19,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 17:39:19,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-03-25 17:39:19,664 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-25 17:39:19,664 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) [2021-03-25 17:39:19,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:19,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-25 17:39:19,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:19,992 INFO L129 PetriNetUnfolder]: 337/774 cut-off events. [2021-03-25 17:39:19,992 INFO L130 PetriNetUnfolder]: For 24429/24636 co-relation queries the response was YES. [2021-03-25 17:39:19,997 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. [2021-03-25 17:39:20,001 INFO L132 encePairwiseOnDemand]: 58/74 looper letters, 184 selfloop transitions, 256 changer transitions 3/446 dead transitions. [2021-03-25 17:39:20,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 446 transitions, 10769 flow [2021-03-25 17:39:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 17:39:20,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 17:39:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 133 transitions. [2021-03-25 17:39:20,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16339066339066338 [2021-03-25 17:39:20,002 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 133 transitions. [2021-03-25 17:39:20,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 133 transitions. [2021-03-25 17:39:20,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:20,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 133 transitions. [2021-03-25 17:39:20,002 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) [2021-03-25 17:39:20,003 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) [2021-03-25 17:39:20,003 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) [2021-03-25 17:39:20,003 INFO L185 Difference]: Start difference. First operand has 208 places, 341 transitions, 7264 flow. Second operand 11 states and 133 transitions. [2021-03-25 17:39:20,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 446 transitions, 10769 flow [2021-03-25 17:39:20,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 446 transitions, 10487 flow, removed 82 selfloop flow, removed 9 redundant places. [2021-03-25 17:39:20,101 INFO L241 Difference]: Finished difference. Result has 213 places, 430 transitions, 10051 flow [2021-03-25 17:39:20,101 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} [2021-03-25 17:39:20,102 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 196 predicate places. [2021-03-25 17:39:20,102 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:20,102 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 430 transitions, 10051 flow [2021-03-25 17:39:20,102 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 430 transitions, 10051 flow [2021-03-25 17:39:20,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 430 transitions, 10051 flow [2021-03-25 17:39:20,209 INFO L129 PetriNetUnfolder]: 337/774 cut-off events. [2021-03-25 17:39:20,210 INFO L130 PetriNetUnfolder]: For 26426/26479 co-relation queries the response was YES. [2021-03-25 17:39:20,214 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. [2021-03-25 17:39:20,253 INFO L142 LiptonReduction]: Number of co-enabled transitions 872 [2021-03-25 17:39:20,318 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-25 17:39:20,318 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 17:39:20,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 216 [2021-03-25 17:39:20,319 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 422 transitions, 9795 flow [2021-03-25 17:39:20,319 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) [2021-03-25 17:39:20,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:20,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:20,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-25 17:39:20,319 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:20,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:20,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1605607435, now seen corresponding path program 1 times [2021-03-25 17:39:20,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:20,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053035162] [2021-03-25 17:39:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:20,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:20,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:20,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:20,335 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:20,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:20,339 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:20,339 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:20,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:20,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053035162] [2021-03-25 17:39:20,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763455475] [2021-03-25 17:39:20,353 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 [2021-03-25 17:39:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:20,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:20,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:20,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:20,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:20,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:20,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:20,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:20,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-03-25 17:39:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:20,436 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:20,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:20,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:20,440 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:20,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:20,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:20,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:20,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:20,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:20,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:20,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:20,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:20,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:20,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:20,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:20,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:20,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:20,461 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 [2021-03-25 17:39:20,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:20,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:20,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:20,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:20,469 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. [2021-03-25 17:39:20,469 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:20,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:20,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:20,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:20,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:20,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:20,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:20,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:20,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:20,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37961395] [2021-03-25 17:39:20,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:20,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:20,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:20,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:20,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2021-03-25 17:39:20,483 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) [2021-03-25 17:39:20,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:20,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2021-03-25 17:39:20,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:21,030 INFO L129 PetriNetUnfolder]: 446/1025 cut-off events. [2021-03-25 17:39:21,030 INFO L130 PetriNetUnfolder]: For 37453/37646 co-relation queries the response was YES. [2021-03-25 17:39:21,036 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. [2021-03-25 17:39:21,042 INFO L132 encePairwiseOnDemand]: 55/74 looper letters, 307 selfloop transitions, 266 changer transitions 0/576 dead transitions. [2021-03-25 17:39:21,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 576 transitions, 14959 flow [2021-03-25 17:39:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 17:39:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 17:39:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 217 transitions. [2021-03-25 17:39:21,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13963963963963963 [2021-03-25 17:39:21,043 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 217 transitions. [2021-03-25 17:39:21,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 217 transitions. [2021-03-25 17:39:21,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:21,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 217 transitions. [2021-03-25 17:39:21,044 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) [2021-03-25 17:39:21,045 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) [2021-03-25 17:39:21,045 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) [2021-03-25 17:39:21,045 INFO L185 Difference]: Start difference. First operand has 213 places, 422 transitions, 9795 flow. Second operand 21 states and 217 transitions. [2021-03-25 17:39:21,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 576 transitions, 14959 flow [2021-03-25 17:39:21,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 576 transitions, 14544 flow, removed 181 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:21,188 INFO L241 Difference]: Finished difference. Result has 234 places, 517 transitions, 12814 flow [2021-03-25 17:39:21,189 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} [2021-03-25 17:39:21,189 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 217 predicate places. [2021-03-25 17:39:21,189 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:21,189 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 517 transitions, 12814 flow [2021-03-25 17:39:21,189 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 517 transitions, 12814 flow [2021-03-25 17:39:21,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 234 places, 517 transitions, 12814 flow [2021-03-25 17:39:21,358 INFO L129 PetriNetUnfolder]: 446/1025 cut-off events. [2021-03-25 17:39:21,358 INFO L130 PetriNetUnfolder]: For 38300/38331 co-relation queries the response was YES. [2021-03-25 17:39:21,364 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. [2021-03-25 17:39:21,374 INFO L142 LiptonReduction]: Number of co-enabled transitions 1046 [2021-03-25 17:39:21,580 INFO L154 LiptonReduction]: Checked pairs total: 26 [2021-03-25 17:39:21,580 INFO L156 LiptonReduction]: Total number of compositions: 26 [2021-03-25 17:39:21,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 391 [2021-03-25 17:39:21,580 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 492 transitions, 11966 flow [2021-03-25 17:39:21,580 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) [2021-03-25 17:39:21,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:21,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:21,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:21,784 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:21,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:21,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1093270590, now seen corresponding path program 1 times [2021-03-25 17:39:21,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:21,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243818395] [2021-03-25 17:39:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:21,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:21,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:21,815 INFO L142 QuantifierPusher]: treesize reduction 106, result has 9.4 percent of original size [2021-03-25 17:39:21,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:21,822 INFO L142 QuantifierPusher]: treesize reduction 107, result has 24.1 percent of original size [2021-03-25 17:39:21,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:39:21,834 INFO L142 QuantifierPusher]: treesize reduction 51, result has 41.4 percent of original size [2021-03-25 17:39:21,835 INFO L147 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size 25 [2021-03-25 17:39:21,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:21,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243818395] [2021-03-25 17:39:21,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936706705] [2021-03-25 17:39:21,866 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 [2021-03-25 17:39:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:21,878 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:39:21,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:21,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,914 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:21,914 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:21,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:21,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:21,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:21,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:21,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:21,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:21,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:21,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:21,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:21,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:21,929 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 [2021-03-25 17:39:21,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:21,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:21,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:21,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:21,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:21,934 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:21,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:21,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:21,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:21,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:21,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:21,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:21,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:21,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:21,948 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.9 percent of original size 47 [2021-03-25 17:39:21,948 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.9 percent of original size [2021-03-25 17:39:21,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:21,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:21,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:21,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:21,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:39:21,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:21,971 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 [2021-03-25 17:39:21,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:21,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:21,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:21,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:21,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:21,988 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:54 [2021-03-25 17:39:21,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:21,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:21,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:22,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:22,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:39:22,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:22,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:22,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:39:22,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:22,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:22,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:39:22,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:22,023 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 [2021-03-25 17:39:22,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:22,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:22,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:22,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:22,039 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:22,039 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2021-03-25 17:39:22,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:22,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:22,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:22,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:22,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:22,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360318048] [2021-03-25 17:39:22,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:22,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:22,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:22,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:22,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 76 [2021-03-25 17:39:22,066 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) [2021-03-25 17:39:22,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:22,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 76 [2021-03-25 17:39:22,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:22,566 INFO L129 PetriNetUnfolder]: 410/918 cut-off events. [2021-03-25 17:39:22,566 INFO L130 PetriNetUnfolder]: For 31542/31649 co-relation queries the response was YES. [2021-03-25 17:39:22,572 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. [2021-03-25 17:39:22,577 INFO L132 encePairwiseOnDemand]: 62/76 looper letters, 385 selfloop transitions, 84 changer transitions 1/473 dead transitions. [2021-03-25 17:39:22,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 473 transitions, 12257 flow [2021-03-25 17:39:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:39:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:39:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 128 transitions. [2021-03-25 17:39:22,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14035087719298245 [2021-03-25 17:39:22,578 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 128 transitions. [2021-03-25 17:39:22,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 128 transitions. [2021-03-25 17:39:22,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:22,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 128 transitions. [2021-03-25 17:39:22,579 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) [2021-03-25 17:39:22,579 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) [2021-03-25 17:39:22,579 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) [2021-03-25 17:39:22,579 INFO L185 Difference]: Start difference. First operand has 233 places, 492 transitions, 11966 flow. Second operand 12 states and 128 transitions. [2021-03-25 17:39:22,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 473 transitions, 12257 flow [2021-03-25 17:39:22,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 473 transitions, 11956 flow, removed 98 selfloop flow, removed 9 redundant places. [2021-03-25 17:39:22,728 INFO L241 Difference]: Finished difference. Result has 240 places, 471 transitions, 11194 flow [2021-03-25 17:39:22,728 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} [2021-03-25 17:39:22,732 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 223 predicate places. [2021-03-25 17:39:22,732 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:22,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 471 transitions, 11194 flow [2021-03-25 17:39:22,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 471 transitions, 11194 flow [2021-03-25 17:39:22,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 471 transitions, 11194 flow [2021-03-25 17:39:22,857 INFO L129 PetriNetUnfolder]: 410/918 cut-off events. [2021-03-25 17:39:22,857 INFO L130 PetriNetUnfolder]: For 31050/31083 co-relation queries the response was YES. [2021-03-25 17:39:22,863 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. [2021-03-25 17:39:22,873 INFO L142 LiptonReduction]: Number of co-enabled transitions 958 [2021-03-25 17:39:23,195 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 17:39:23,196 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 17:39:23,196 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-03-25 17:39:23,196 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 467 transitions, 11155 flow [2021-03-25 17:39:23,196 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) [2021-03-25 17:39:23,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:23,196 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:23,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-03-25 17:39:23,397 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:23,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:23,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1605609016, now seen corresponding path program 1 times [2021-03-25 17:39:23,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:23,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658465762] [2021-03-25 17:39:23,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:23,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:23,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:23,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:23,431 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-03-25 17:39:23,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:23,438 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 17:39:23,438 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-25 17:39:23,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:23,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:23,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658465762] [2021-03-25 17:39:23,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227972597] [2021-03-25 17:39:23,463 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 [2021-03-25 17:39:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:23,478 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:39:23,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:23,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,495 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:23,495 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,516 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:23,516 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:23,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:23,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:23,532 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 [2021-03-25 17:39:23,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:23,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:23,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:23,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:23,537 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:23,537 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:23,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:23,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:23,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:23,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:23,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:23,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:23,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:23,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:23,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:23,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:23,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:23,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:23,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:23,558 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 [2021-03-25 17:39:23,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:23,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:23,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:23,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:23,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:23,567 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. [2021-03-25 17:39:23,567 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:24 [2021-03-25 17:39:23,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:23,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:23,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:23,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:23,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:23,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:23,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39092113] [2021-03-25 17:39:23,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:23,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:23,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:23,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:23,597 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 82 [2021-03-25 17:39:23,597 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) [2021-03-25 17:39:23,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:23,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 82 [2021-03-25 17:39:23,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:24,178 INFO L129 PetriNetUnfolder]: 417/935 cut-off events. [2021-03-25 17:39:24,178 INFO L130 PetriNetUnfolder]: For 32521/32885 co-relation queries the response was YES. [2021-03-25 17:39:24,183 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. [2021-03-25 17:39:24,189 INFO L132 encePairwiseOnDemand]: 58/82 looper letters, 360 selfloop transitions, 116 changer transitions 17/496 dead transitions. [2021-03-25 17:39:24,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 496 transitions, 13026 flow [2021-03-25 17:39:24,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 17:39:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 17:39:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 164 transitions. [2021-03-25 17:39:24,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13333333333333333 [2021-03-25 17:39:24,190 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 164 transitions. [2021-03-25 17:39:24,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 164 transitions. [2021-03-25 17:39:24,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:24,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 164 transitions. [2021-03-25 17:39:24,190 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) [2021-03-25 17:39:24,191 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) [2021-03-25 17:39:24,191 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) [2021-03-25 17:39:24,191 INFO L185 Difference]: Start difference. First operand has 238 places, 467 transitions, 11155 flow. Second operand 15 states and 164 transitions. [2021-03-25 17:39:24,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 496 transitions, 13026 flow [2021-03-25 17:39:24,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 496 transitions, 12881 flow, removed 66 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:24,324 INFO L241 Difference]: Finished difference. Result has 253 places, 471 transitions, 11453 flow [2021-03-25 17:39:24,324 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} [2021-03-25 17:39:24,324 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 236 predicate places. [2021-03-25 17:39:24,324 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:24,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 471 transitions, 11453 flow [2021-03-25 17:39:24,325 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 471 transitions, 11453 flow [2021-03-25 17:39:24,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 471 transitions, 11453 flow [2021-03-25 17:39:24,464 INFO L129 PetriNetUnfolder]: 412/916 cut-off events. [2021-03-25 17:39:24,464 INFO L130 PetriNetUnfolder]: For 32390/32478 co-relation queries the response was YES. [2021-03-25 17:39:24,470 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. [2021-03-25 17:39:24,479 INFO L142 LiptonReduction]: Number of co-enabled transitions 958 [2021-03-25 17:39:24,581 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:39:24,581 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:39:24,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-03-25 17:39:24,582 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 470 transitions, 11432 flow [2021-03-25 17:39:24,582 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) [2021-03-25 17:39:24,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:24,582 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:39:24,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-25 17:39:24,795 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:24,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:24,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1665884776, now seen corresponding path program 1 times [2021-03-25 17:39:24,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:24,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994403817] [2021-03-25 17:39:24,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:24,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:24,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:24,808 INFO L142 QuantifierPusher]: treesize reduction 110, result has 26.7 percent of original size [2021-03-25 17:39:24,809 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-25 17:39:24,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:24,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:24,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994403817] [2021-03-25 17:39:24,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:24,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:39:24,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861873679] [2021-03-25 17:39:24,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:39:24,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:24,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:39:24,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:39:24,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 83 [2021-03-25 17:39:24,826 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) [2021-03-25 17:39:24,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:24,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 83 [2021-03-25 17:39:24,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:25,179 INFO L129 PetriNetUnfolder]: 412/914 cut-off events. [2021-03-25 17:39:25,179 INFO L130 PetriNetUnfolder]: For 32392/32795 co-relation queries the response was YES. [2021-03-25 17:39:25,188 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. [2021-03-25 17:39:25,196 INFO L132 encePairwiseOnDemand]: 66/83 looper letters, 398 selfloop transitions, 72 changer transitions 0/473 dead transitions. [2021-03-25 17:39:25,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 473 transitions, 12468 flow [2021-03-25 17:39:25,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:39:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:39:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2021-03-25 17:39:25,197 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1614457831325301 [2021-03-25 17:39:25,197 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 67 transitions. [2021-03-25 17:39:25,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 67 transitions. [2021-03-25 17:39:25,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:25,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 67 transitions. [2021-03-25 17:39:25,197 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) [2021-03-25 17:39:25,198 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) [2021-03-25 17:39:25,198 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) [2021-03-25 17:39:25,198 INFO L185 Difference]: Start difference. First operand has 247 places, 470 transitions, 11432 flow. Second operand 5 states and 67 transitions. [2021-03-25 17:39:25,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 473 transitions, 12468 flow [2021-03-25 17:39:25,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 473 transitions, 12228 flow, removed 47 selfloop flow, removed 9 redundant places. [2021-03-25 17:39:25,448 INFO L241 Difference]: Finished difference. Result has 243 places, 472 transitions, 11483 flow [2021-03-25 17:39:25,448 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} [2021-03-25 17:39:25,448 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 226 predicate places. [2021-03-25 17:39:25,448 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:25,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 472 transitions, 11483 flow [2021-03-25 17:39:25,448 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 472 transitions, 11483 flow [2021-03-25 17:39:25,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 472 transitions, 11483 flow [2021-03-25 17:39:25,601 INFO L129 PetriNetUnfolder]: 412/914 cut-off events. [2021-03-25 17:39:25,601 INFO L130 PetriNetUnfolder]: For 33791/33997 co-relation queries the response was YES. [2021-03-25 17:39:25,608 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. [2021-03-25 17:39:25,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 960 [2021-03-25 17:39:25,703 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:25,703 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:25,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 255 [2021-03-25 17:39:25,703 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 471 transitions, 11446 flow [2021-03-25 17:39:25,704 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) [2021-03-25 17:39:25,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:25,704 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:25,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-25 17:39:25,704 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:25,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:25,704 INFO L82 PathProgramCache]: Analyzing trace with hash -102820704, now seen corresponding path program 1 times [2021-03-25 17:39:25,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:25,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768022172] [2021-03-25 17:39:25,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:25,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:25,721 INFO L142 QuantifierPusher]: treesize reduction 116, result has 25.6 percent of original size [2021-03-25 17:39:25,721 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-25 17:39:25,738 INFO L142 QuantifierPusher]: treesize reduction 103, result has 39.8 percent of original size [2021-03-25 17:39:25,738 INFO L147 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size 43 [2021-03-25 17:39:25,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:25,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768022172] [2021-03-25 17:39:25,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542477919] [2021-03-25 17:39:25,796 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) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:25,808 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:39:25,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:25,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:25,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:25,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:25,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:25,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:25,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:25,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:25,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:25,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:25,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:25,821 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-25 17:39:25,821 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-25 17:39:25,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:25,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:25,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:25,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:25,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:25,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,839 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 [2021-03-25 17:39:25,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:25,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:25,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:25,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:25,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:25,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:54 [2021-03-25 17:39:25,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:25,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:25,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:25,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:25,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:25,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:25,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:25,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:39:25,874 INFO L147 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size 104 [2021-03-25 17:39:25,874 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-25 17:39:25,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:25,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:39:25,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-25 17:39:25,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:25,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:39:25,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-25 17:39:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:25,961 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 [2021-03-25 17:39:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-25 17:39:25,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-25 17:39:25,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:25,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:39:25,995 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:25,995 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:117 [2021-03-25 17:39:25,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:39:25,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:25,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:39:26,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:26,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:39:26,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-03-25 17:39:26,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:26,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:26,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-25 17:39:26,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:26,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:26,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-25 17:39:26,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:26,088 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 [2021-03-25 17:39:26,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:39:26,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:39:26,092 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:26,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-25 17:39:26,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:26,132 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:101 [2021-03-25 17:39:26,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-25 17:39:26,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:26,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-25 17:39:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:26,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:26,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:39:26,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294842894] [2021-03-25 17:39:26,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:39:26,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:26,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:39:26,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:39:26,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 83 [2021-03-25 17:39:26,184 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) [2021-03-25 17:39:26,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:26,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 83 [2021-03-25 17:39:26,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:26,705 INFO L129 PetriNetUnfolder]: 412/917 cut-off events. [2021-03-25 17:39:26,705 INFO L130 PetriNetUnfolder]: For 35014/35520 co-relation queries the response was YES. [2021-03-25 17:39:26,711 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. [2021-03-25 17:39:26,716 INFO L132 encePairwiseOnDemand]: 66/83 looper letters, 398 selfloop transitions, 74 changer transitions 1/476 dead transitions. [2021-03-25 17:39:26,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 476 transitions, 12560 flow [2021-03-25 17:39:26,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:39:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:39:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 93 transitions. [2021-03-25 17:39:26,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14006024096385541 [2021-03-25 17:39:26,718 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 93 transitions. [2021-03-25 17:39:26,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 93 transitions. [2021-03-25 17:39:26,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:26,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 93 transitions. [2021-03-25 17:39:26,718 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) [2021-03-25 17:39:26,718 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) [2021-03-25 17:39:26,719 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) [2021-03-25 17:39:26,719 INFO L185 Difference]: Start difference. First operand has 243 places, 471 transitions, 11446 flow. Second operand 8 states and 93 transitions. [2021-03-25 17:39:26,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 476 transitions, 12560 flow [2021-03-25 17:39:26,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 476 transitions, 12545 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 17:39:26,854 INFO L241 Difference]: Finished difference. Result has 251 places, 474 transitions, 11770 flow [2021-03-25 17:39:26,854 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} [2021-03-25 17:39:26,854 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 234 predicate places. [2021-03-25 17:39:26,854 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:26,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 474 transitions, 11770 flow [2021-03-25 17:39:26,854 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 474 transitions, 11770 flow [2021-03-25 17:39:26,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 474 transitions, 11770 flow [2021-03-25 17:39:26,988 INFO L129 PetriNetUnfolder]: 412/916 cut-off events. [2021-03-25 17:39:26,988 INFO L130 PetriNetUnfolder]: For 37453/37540 co-relation queries the response was YES. [2021-03-25 17:39:26,994 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. [2021-03-25 17:39:27,003 INFO L142 LiptonReduction]: Number of co-enabled transitions 964 [2021-03-25 17:39:27,392 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:39:27,393 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:39:27,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 539 [2021-03-25 17:39:27,393 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 471 transitions, 11667 flow [2021-03-25 17:39:27,393 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) [2021-03-25 17:39:27,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:27,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:27,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-25 17:39:27,596 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:27,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:27,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1639779262, now seen corresponding path program 1 times [2021-03-25 17:39:27,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:27,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633445298] [2021-03-25 17:39:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:27,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:27,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:27,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:27,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:27,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:27,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:27,612 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-25 17:39:27,612 INFO L147 QuantifierPusher]: treesize reduction 9, result has 35.7 percent of original size 5 [2021-03-25 17:39:27,624 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 17:39:27,624 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-25 17:39:27,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:27,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:27,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633445298] [2021-03-25 17:39:27,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:27,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:39:27,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572506866] [2021-03-25 17:39:27,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:39:27,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:27,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:39:27,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:39:27,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 85 [2021-03-25 17:39:27,648 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) [2021-03-25 17:39:27,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:27,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 85 [2021-03-25 17:39:27,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:28,095 INFO L129 PetriNetUnfolder]: 454/1020 cut-off events. [2021-03-25 17:39:28,095 INFO L130 PetriNetUnfolder]: For 44066/44450 co-relation queries the response was YES. [2021-03-25 17:39:28,102 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. [2021-03-25 17:39:28,108 INFO L132 encePairwiseOnDemand]: 66/85 looper letters, 374 selfloop transitions, 159 changer transitions 0/536 dead transitions. [2021-03-25 17:39:28,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 536 transitions, 14631 flow [2021-03-25 17:39:28,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 17:39:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 17:39:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-03-25 17:39:28,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1477124183006536 [2021-03-25 17:39:28,109 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-03-25 17:39:28,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-03-25 17:39:28,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:28,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-03-25 17:39:28,110 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) [2021-03-25 17:39:28,110 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) [2021-03-25 17:39:28,110 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) [2021-03-25 17:39:28,110 INFO L185 Difference]: Start difference. First operand has 248 places, 471 transitions, 11667 flow. Second operand 9 states and 113 transitions. [2021-03-25 17:39:28,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 536 transitions, 14631 flow [2021-03-25 17:39:28,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 536 transitions, 14328 flow, removed 36 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:28,373 INFO L241 Difference]: Finished difference. Result has 253 places, 506 transitions, 12948 flow [2021-03-25 17:39:28,373 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} [2021-03-25 17:39:28,373 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 236 predicate places. [2021-03-25 17:39:28,374 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:28,374 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 506 transitions, 12948 flow [2021-03-25 17:39:28,374 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 506 transitions, 12948 flow [2021-03-25 17:39:28,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 506 transitions, 12948 flow [2021-03-25 17:39:28,594 INFO L129 PetriNetUnfolder]: 454/1020 cut-off events. [2021-03-25 17:39:28,595 INFO L130 PetriNetUnfolder]: For 41807/41924 co-relation queries the response was YES. [2021-03-25 17:39:28,606 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. [2021-03-25 17:39:28,623 INFO L142 LiptonReduction]: Number of co-enabled transitions 1028 [2021-03-25 17:39:28,714 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:39:28,714 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 17:39:28,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 340 [2021-03-25 17:39:28,715 INFO L480 AbstractCegarLoop]: Abstraction has has 253 places, 502 transitions, 12798 flow [2021-03-25 17:39:28,715 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) [2021-03-25 17:39:28,715 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:28,715 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:28,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-25 17:39:28,715 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:28,715 INFO L82 PathProgramCache]: Analyzing trace with hash -102817139, now seen corresponding path program 1 times [2021-03-25 17:39:28,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:28,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943994458] [2021-03-25 17:39:28,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:28,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:28,734 INFO L142 QuantifierPusher]: treesize reduction 249, result has 32.0 percent of original size [2021-03-25 17:39:28,735 INFO L147 QuantifierPusher]: treesize reduction 19, result has 83.8 percent of original size 98 [2021-03-25 17:39:28,785 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:28,785 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:28,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:28,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943994458] [2021-03-25 17:39:28,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822600852] [2021-03-25 17:39:28,802 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 [2021-03-25 17:39:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:28,814 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:39:28,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:28,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:28,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:28,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:28,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:28,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:28,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:28,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:28,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:28,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:28,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:39:28,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:39:28,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:28,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:39:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,835 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 [2021-03-25 17:39:28,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:39:28,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:39:28,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:28,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:28,849 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:28,849 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:44 [2021-03-25 17:39:28,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:28,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:28,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:28,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:28,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:28,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:39:28,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:39:28,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:39:28,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:39:28,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:39:28,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:39:28,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:39:28,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:28,890 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 [2021-03-25 17:39:28,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:39:28,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:39:28,893 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:28,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:28,933 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:28,933 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:99 [2021-03-25 17:39:28,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:28,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:28,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:39:28,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:39:28,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:39:28,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:39:28,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:28,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:28,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:39:28,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:39:28,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:28,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:28,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:39:28,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:39:28,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:29,025 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 [2021-03-25 17:39:29,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:39:29,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:39:29,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:29,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:29,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:29,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-25 17:39:29,062 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. [2021-03-25 17:39:29,062 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:104 [2021-03-25 17:39:29,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:29,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:29,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-25 17:39:29,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:29,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:29,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:29,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-25 17:39:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:29,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:29,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:39:29,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212122935] [2021-03-25 17:39:29,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:39:29,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:29,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:39:29,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:39:29,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 85 [2021-03-25 17:39:29,124 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) [2021-03-25 17:39:29,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:29,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 85 [2021-03-25 17:39:29,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:29,637 INFO L129 PetriNetUnfolder]: 449/1008 cut-off events. [2021-03-25 17:39:29,637 INFO L130 PetriNetUnfolder]: For 41670/42062 co-relation queries the response was YES. [2021-03-25 17:39:29,645 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. [2021-03-25 17:39:29,650 INFO L132 encePairwiseOnDemand]: 69/85 looper letters, 425 selfloop transitions, 69 changer transitions 5/502 dead transitions. [2021-03-25 17:39:29,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 502 transitions, 13799 flow [2021-03-25 17:39:29,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:39:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:39:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 83 transitions. [2021-03-25 17:39:29,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13949579831932774 [2021-03-25 17:39:29,651 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 83 transitions. [2021-03-25 17:39:29,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 83 transitions. [2021-03-25 17:39:29,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:29,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 83 transitions. [2021-03-25 17:39:29,651 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) [2021-03-25 17:39:29,652 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) [2021-03-25 17:39:29,652 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) [2021-03-25 17:39:29,652 INFO L185 Difference]: Start difference. First operand has 253 places, 502 transitions, 12798 flow. Second operand 7 states and 83 transitions. [2021-03-25 17:39:29,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 502 transitions, 13799 flow [2021-03-25 17:39:29,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 502 transitions, 13771 flow, removed 14 selfloop flow, removed 0 redundant places. [2021-03-25 17:39:29,887 INFO L241 Difference]: Finished difference. Result has 260 places, 496 transitions, 12708 flow [2021-03-25 17:39:29,888 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} [2021-03-25 17:39:29,888 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 243 predicate places. [2021-03-25 17:39:29,889 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:29,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 496 transitions, 12708 flow [2021-03-25 17:39:29,889 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 496 transitions, 12708 flow [2021-03-25 17:39:29,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 496 transitions, 12708 flow [2021-03-25 17:39:30,088 INFO L129 PetriNetUnfolder]: 448/1003 cut-off events. [2021-03-25 17:39:30,088 INFO L130 PetriNetUnfolder]: For 41703/41851 co-relation queries the response was YES. [2021-03-25 17:39:30,096 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. [2021-03-25 17:39:30,106 INFO L142 LiptonReduction]: Number of co-enabled transitions 1006 [2021-03-25 17:39:30,280 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:39:30,280 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 17:39:30,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 392 [2021-03-25 17:39:30,280 INFO L480 AbstractCegarLoop]: Abstraction has has 255 places, 492 transitions, 12588 flow [2021-03-25 17:39:30,281 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) [2021-03-25 17:39:30,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:30,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:30,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-25 17:39:30,481 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:30,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:30,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1335540218, now seen corresponding path program 1 times [2021-03-25 17:39:30,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:30,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932095018] [2021-03-25 17:39:30,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:30,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:30,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:30,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:30,496 INFO L142 QuantifierPusher]: treesize reduction 34, result has 24.4 percent of original size [2021-03-25 17:39:30,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:30,503 INFO L142 QuantifierPusher]: treesize reduction 40, result has 37.5 percent of original size [2021-03-25 17:39:30,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:30,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:30,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932095018] [2021-03-25 17:39:30,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124859644] [2021-03-25 17:39:30,519 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 [2021-03-25 17:39:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:30,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:30,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:30,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:30,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:30,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:30,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:30,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:30,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:30,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:30,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:30,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:30,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:30,596 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 [2021-03-25 17:39:30,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:30,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:30,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:30,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:30,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:30,601 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:30,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:30,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:30,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:30,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:30,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:30,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:30,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:30,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:30,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:30,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:30,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:30,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:30,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:30,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:30,626 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 [2021-03-25 17:39:30,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:30,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:30,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:30,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:30,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:30,637 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. [2021-03-25 17:39:30,638 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:24 [2021-03-25 17:39:30,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:30,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:30,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:30,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:30,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:39:30,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:30,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:30,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-25 17:39:30,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12976399] [2021-03-25 17:39:30,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 17:39:30,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:30,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 17:39:30,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-03-25 17:39:30,656 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 86 [2021-03-25 17:39:30,657 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) [2021-03-25 17:39:30,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:30,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 86 [2021-03-25 17:39:30,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:31,461 INFO L129 PetriNetUnfolder]: 526/1182 cut-off events. [2021-03-25 17:39:31,461 INFO L130 PetriNetUnfolder]: For 51560/51952 co-relation queries the response was YES. [2021-03-25 17:39:31,469 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. [2021-03-25 17:39:31,476 INFO L132 encePairwiseOnDemand]: 66/86 looper letters, 420 selfloop transitions, 192 changer transitions 0/615 dead transitions. [2021-03-25 17:39:31,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 615 transitions, 17312 flow [2021-03-25 17:39:31,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 17:39:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 17:39:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 200 transitions. [2021-03-25 17:39:31,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12239902080783353 [2021-03-25 17:39:31,477 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 200 transitions. [2021-03-25 17:39:31,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 200 transitions. [2021-03-25 17:39:31,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:31,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 200 transitions. [2021-03-25 17:39:31,478 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) [2021-03-25 17:39:31,479 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) [2021-03-25 17:39:31,479 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) [2021-03-25 17:39:31,479 INFO L185 Difference]: Start difference. First operand has 255 places, 492 transitions, 12588 flow. Second operand 19 states and 200 transitions. [2021-03-25 17:39:31,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 615 transitions, 17312 flow [2021-03-25 17:39:31,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 615 transitions, 16754 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-03-25 17:39:31,664 INFO L241 Difference]: Finished difference. Result has 268 places, 560 transitions, 14698 flow [2021-03-25 17:39:31,664 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} [2021-03-25 17:39:31,664 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 251 predicate places. [2021-03-25 17:39:31,664 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:31,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 560 transitions, 14698 flow [2021-03-25 17:39:31,665 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 560 transitions, 14698 flow [2021-03-25 17:39:31,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 560 transitions, 14698 flow [2021-03-25 17:39:31,851 INFO L129 PetriNetUnfolder]: 526/1182 cut-off events. [2021-03-25 17:39:31,851 INFO L130 PetriNetUnfolder]: For 48680/48726 co-relation queries the response was YES. [2021-03-25 17:39:31,859 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. [2021-03-25 17:39:31,871 INFO L142 LiptonReduction]: Number of co-enabled transitions 1134 [2021-03-25 17:39:32,024 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-25 17:39:32,025 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 17:39:32,025 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-03-25 17:39:32,025 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 555 transitions, 14531 flow [2021-03-25 17:39:32,025 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) [2021-03-25 17:39:32,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:32,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:32,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-25 17:39:32,226 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:32,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:32,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1711791562, now seen corresponding path program 1 times [2021-03-25 17:39:32,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:32,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719426643] [2021-03-25 17:39:32,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:32,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:32,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:32,245 INFO L142 QuantifierPusher]: treesize reduction 112, result has 4.3 percent of original size [2021-03-25 17:39:32,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:32,251 INFO L142 QuantifierPusher]: treesize reduction 112, result has 20.6 percent of original size [2021-03-25 17:39:32,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:32,261 INFO L142 QuantifierPusher]: treesize reduction 48, result has 44.8 percent of original size [2021-03-25 17:39:32,262 INFO L147 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size 25 [2021-03-25 17:39:32,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:32,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719426643] [2021-03-25 17:39:32,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692836585] [2021-03-25 17:39:32,287 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 [2021-03-25 17:39:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:32,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:39:32,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:32,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:32,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:32,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:32,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:32,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:32,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:32,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:32,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:32,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:32,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:32,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:32,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:32,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:32,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:32,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:32,340 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 [2021-03-25 17:39:32,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:32,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:32,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:32,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:32,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:32,346 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:32,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:32,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:32,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:32,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:32,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:32,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:32,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:39:32,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:32,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:39:32,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:32,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:39:32,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:39:32,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:39:32,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:32,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:39:32,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:32,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,437 INFO L354 Elim1Store]: treesize reduction 202, result has 11.8 percent of original size [2021-03-25 17:39:32,438 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 [2021-03-25 17:39:32,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:32,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:32,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:32,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:32,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:39:32,459 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. [2021-03-25 17:39:32,459 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:57 [2021-03-25 17:39:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:32,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:39:32,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:32,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:39:32,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:32,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:39:32,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:32,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:39:32,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:32,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:32,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:32,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:32,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:39:32,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:39:32,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:32,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:39:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:32,562 INFO L354 Elim1Store]: treesize reduction 166, result has 14.0 percent of original size [2021-03-25 17:39:32,563 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 [2021-03-25 17:39:32,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:32,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:32,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:32,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:32,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:32,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:32,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:32,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:32,585 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. [2021-03-25 17:39:32,585 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:63, output treesize:62 [2021-03-25 17:39:32,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:32,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:32,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:32,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:39:32,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:32,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:32,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:39:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:32,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:32,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:32,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505424604] [2021-03-25 17:39:32,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:32,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:32,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:32,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:32,610 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 88 [2021-03-25 17:39:32,610 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) [2021-03-25 17:39:32,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:32,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 88 [2021-03-25 17:39:32,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:33,200 INFO L129 PetriNetUnfolder]: 532/1193 cut-off events. [2021-03-25 17:39:33,200 INFO L130 PetriNetUnfolder]: For 48445/48839 co-relation queries the response was YES. [2021-03-25 17:39:33,211 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. [2021-03-25 17:39:33,220 INFO L132 encePairwiseOnDemand]: 73/88 looper letters, 473 selfloop transitions, 103 changer transitions 1/580 dead transitions. [2021-03-25 17:39:33,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 580 transitions, 16232 flow [2021-03-25 17:39:33,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 17:39:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 17:39:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 139 transitions. [2021-03-25 17:39:33,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1215034965034965 [2021-03-25 17:39:33,221 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 139 transitions. [2021-03-25 17:39:33,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 139 transitions. [2021-03-25 17:39:33,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:33,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 139 transitions. [2021-03-25 17:39:33,222 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) [2021-03-25 17:39:33,223 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) [2021-03-25 17:39:33,223 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) [2021-03-25 17:39:33,223 INFO L185 Difference]: Start difference. First operand has 268 places, 555 transitions, 14531 flow. Second operand 13 states and 139 transitions. [2021-03-25 17:39:33,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 580 transitions, 16232 flow [2021-03-25 17:39:33,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 580 transitions, 16103 flow, removed 31 selfloop flow, removed 9 redundant places. [2021-03-25 17:39:33,442 INFO L241 Difference]: Finished difference. Result has 275 places, 569 transitions, 14979 flow [2021-03-25 17:39:33,442 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} [2021-03-25 17:39:33,442 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 258 predicate places. [2021-03-25 17:39:33,442 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:33,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 569 transitions, 14979 flow [2021-03-25 17:39:33,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 569 transitions, 14979 flow [2021-03-25 17:39:33,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 274 places, 569 transitions, 14979 flow [2021-03-25 17:39:33,634 INFO L129 PetriNetUnfolder]: 532/1192 cut-off events. [2021-03-25 17:39:33,635 INFO L130 PetriNetUnfolder]: For 50919/51005 co-relation queries the response was YES. [2021-03-25 17:39:33,644 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. [2021-03-25 17:39:33,656 INFO L142 LiptonReduction]: Number of co-enabled transitions 1152 [2021-03-25 17:39:33,795 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:39:33,795 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:39:33,795 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 353 [2021-03-25 17:39:33,795 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 567 transitions, 14923 flow [2021-03-25 17:39:33,796 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) [2021-03-25 17:39:33,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:33,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:33,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:33,997 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:33,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:33,998 INFO L82 PathProgramCache]: Analyzing trace with hash -595292049, now seen corresponding path program 1 times [2021-03-25 17:39:33,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:33,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762353018] [2021-03-25 17:39:33,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:34,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:34,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:34,015 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:34,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:34,019 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:34,019 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:34,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:34,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762353018] [2021-03-25 17:39:34,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451787843] [2021-03-25 17:39:34,035 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) [2021-03-25 17:39:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:34,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:39:34,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:34,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:34,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:34,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:34,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:34,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:34,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:34,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:34,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:34,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:34,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:34,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:34,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:34,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:34,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:34,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:34,116 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 [2021-03-25 17:39:34,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:34,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:34,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:34,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:34,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:34,123 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:34,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:34,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:34,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:34,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:34,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:34,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:34,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:34,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:34,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:34,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:34,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:34,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:34,146 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 [2021-03-25 17:39:34,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:34,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:34,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:34,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:34,155 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. [2021-03-25 17:39:34,155 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:34,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:34,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:34,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:34,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:34,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:34,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:34,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:34,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:34,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642808527] [2021-03-25 17:39:34,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:34,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:34,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:34,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:34,169 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 89 [2021-03-25 17:39:34,169 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) [2021-03-25 17:39:34,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:34,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 89 [2021-03-25 17:39:34,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:34,652 INFO L129 PetriNetUnfolder]: 529/1183 cut-off events. [2021-03-25 17:39:34,652 INFO L130 PetriNetUnfolder]: For 51035/51381 co-relation queries the response was YES. [2021-03-25 17:39:34,660 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. [2021-03-25 17:39:34,667 INFO L132 encePairwiseOnDemand]: 73/89 looper letters, 479 selfloop transitions, 89 changer transitions 5/576 dead transitions. [2021-03-25 17:39:34,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 576 transitions, 16276 flow [2021-03-25 17:39:34,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:39:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:39:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 94 transitions. [2021-03-25 17:39:34,668 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13202247191011235 [2021-03-25 17:39:34,668 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 94 transitions. [2021-03-25 17:39:34,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 94 transitions. [2021-03-25 17:39:34,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:34,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 94 transitions. [2021-03-25 17:39:34,668 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) [2021-03-25 17:39:34,669 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) [2021-03-25 17:39:34,669 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) [2021-03-25 17:39:34,669 INFO L185 Difference]: Start difference. First operand has 273 places, 567 transitions, 14923 flow. Second operand 8 states and 94 transitions. [2021-03-25 17:39:34,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 576 transitions, 16276 flow [2021-03-25 17:39:34,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 576 transitions, 16149 flow, removed 48 selfloop flow, removed 6 redundant places. [2021-03-25 17:39:34,890 INFO L241 Difference]: Finished difference. Result has 275 places, 566 transitions, 14943 flow [2021-03-25 17:39:34,891 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} [2021-03-25 17:39:34,891 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 258 predicate places. [2021-03-25 17:39:34,891 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:34,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 566 transitions, 14943 flow [2021-03-25 17:39:34,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 566 transitions, 14943 flow [2021-03-25 17:39:34,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 566 transitions, 14943 flow [2021-03-25 17:39:35,081 INFO L129 PetriNetUnfolder]: 528/1178 cut-off events. [2021-03-25 17:39:35,081 INFO L130 PetriNetUnfolder]: For 50456/50551 co-relation queries the response was YES. [2021-03-25 17:39:35,090 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. [2021-03-25 17:39:35,103 INFO L142 LiptonReduction]: Number of co-enabled transitions 1146 [2021-03-25 17:39:35,154 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:35,154 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:35,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-25 17:39:35,155 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 566 transitions, 14943 flow [2021-03-25 17:39:35,155 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) [2021-03-25 17:39:35,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:35,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:35,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-03-25 17:39:35,355 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:35,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:35,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1335539226, now seen corresponding path program 1 times [2021-03-25 17:39:35,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:35,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54765005] [2021-03-25 17:39:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:35,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:35,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:35,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:35,376 INFO L142 QuantifierPusher]: treesize reduction 56, result has 23.3 percent of original size [2021-03-25 17:39:35,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:35,385 INFO L142 QuantifierPusher]: treesize reduction 62, result has 36.1 percent of original size [2021-03-25 17:39:35,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:35,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:35,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54765005] [2021-03-25 17:39:35,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584072005] [2021-03-25 17:39:35,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:39:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:35,439 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:39:35,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:35,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,467 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:35,468 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:35,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,479 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:35,480 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:35,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:35,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:35,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:35,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:35,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:35,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:35,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:35,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:35,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:35,497 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 [2021-03-25 17:39:35,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:35,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:35,498 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:35,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:35,504 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:35,504 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:35,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:35,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:35,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:35,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:35,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:35,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:35,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:35,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:35,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:35,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:35,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:35,523 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 [2021-03-25 17:39:35,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:35,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:35,525 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:35,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:35,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:35,533 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:24 [2021-03-25 17:39:35,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:35,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:35,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:39:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:35,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:35,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-25 17:39:35,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722964353] [2021-03-25 17:39:35,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 17:39:35,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:35,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 17:39:35,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-03-25 17:39:35,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 89 [2021-03-25 17:39:35,549 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) [2021-03-25 17:39:35,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:35,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 89 [2021-03-25 17:39:35,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:36,210 INFO L129 PetriNetUnfolder]: 545/1220 cut-off events. [2021-03-25 17:39:36,210 INFO L130 PetriNetUnfolder]: For 53631/53927 co-relation queries the response was YES. [2021-03-25 17:39:36,218 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. [2021-03-25 17:39:36,225 INFO L132 encePairwiseOnDemand]: 67/89 looper letters, 457 selfloop transitions, 141 changer transitions 2/603 dead transitions. [2021-03-25 17:39:36,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 603 transitions, 17321 flow [2021-03-25 17:39:36,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 17:39:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 17:39:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 165 transitions. [2021-03-25 17:39:36,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12359550561797752 [2021-03-25 17:39:36,227 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 165 transitions. [2021-03-25 17:39:36,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 165 transitions. [2021-03-25 17:39:36,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:36,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 165 transitions. [2021-03-25 17:39:36,227 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) [2021-03-25 17:39:36,228 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) [2021-03-25 17:39:36,228 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) [2021-03-25 17:39:36,228 INFO L185 Difference]: Start difference. First operand has 273 places, 566 transitions, 14943 flow. Second operand 15 states and 165 transitions. [2021-03-25 17:39:36,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 603 transitions, 17321 flow [2021-03-25 17:39:36,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 603 transitions, 17209 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:36,504 INFO L241 Difference]: Finished difference. Result has 290 places, 596 transitions, 16289 flow [2021-03-25 17:39:36,505 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} [2021-03-25 17:39:36,505 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 273 predicate places. [2021-03-25 17:39:36,505 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:36,505 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 596 transitions, 16289 flow [2021-03-25 17:39:36,506 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 596 transitions, 16289 flow [2021-03-25 17:39:36,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 596 transitions, 16289 flow [2021-03-25 17:39:36,749 INFO L129 PetriNetUnfolder]: 545/1220 cut-off events. [2021-03-25 17:39:36,749 INFO L130 PetriNetUnfolder]: For 60102/60254 co-relation queries the response was YES. [2021-03-25 17:39:36,758 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. [2021-03-25 17:39:36,771 INFO L142 LiptonReduction]: Number of co-enabled transitions 1206 [2021-03-25 17:39:37,205 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 17:39:37,205 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-25 17:39:37,205 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 700 [2021-03-25 17:39:37,205 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 590 transitions, 16141 flow [2021-03-25 17:39:37,205 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) [2021-03-25 17:39:37,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:37,206 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:37,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:37,411 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:37,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:37,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1250116361, now seen corresponding path program 1 times [2021-03-25 17:39:37,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:37,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707278785] [2021-03-25 17:39:37,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:37,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:37,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:37,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:37,429 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:37,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:37,433 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:37,434 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:37,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:37,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707278785] [2021-03-25 17:39:37,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071473635] [2021-03-25 17:39:37,450 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 [2021-03-25 17:39:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:37,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:37,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:37,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:37,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:37,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:37,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:37,570 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 [2021-03-25 17:39:37,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:37,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:37,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:37,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:37,575 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:37,575 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:37,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:37,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:37,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:37,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:37,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:37,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:37,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:37,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:37,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:37,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:37,597 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 [2021-03-25 17:39:37,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:37,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:37,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:37,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:37,605 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. [2021-03-25 17:39:37,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:37,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:37,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:37,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:37,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:37,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:37,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:37,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:37,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994587932] [2021-03-25 17:39:37,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:37,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:37,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:37,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:37,618 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 97 [2021-03-25 17:39:37,618 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) [2021-03-25 17:39:37,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:37,618 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 97 [2021-03-25 17:39:37,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:38,367 INFO L129 PetriNetUnfolder]: 550/1227 cut-off events. [2021-03-25 17:39:38,367 INFO L130 PetriNetUnfolder]: For 59849/60223 co-relation queries the response was YES. [2021-03-25 17:39:38,376 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. [2021-03-25 17:39:38,383 INFO L132 encePairwiseOnDemand]: 77/97 looper letters, 445 selfloop transitions, 170 changer transitions 1/619 dead transitions. [2021-03-25 17:39:38,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 619 transitions, 18031 flow [2021-03-25 17:39:38,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 17:39:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 17:39:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 199 transitions. [2021-03-25 17:39:38,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1079761258817146 [2021-03-25 17:39:38,384 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 199 transitions. [2021-03-25 17:39:38,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 199 transitions. [2021-03-25 17:39:38,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:38,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 199 transitions. [2021-03-25 17:39:38,385 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) [2021-03-25 17:39:38,386 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) [2021-03-25 17:39:38,387 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) [2021-03-25 17:39:38,387 INFO L185 Difference]: Start difference. First operand has 288 places, 590 transitions, 16141 flow. Second operand 19 states and 199 transitions. [2021-03-25 17:39:38,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 619 transitions, 18031 flow [2021-03-25 17:39:38,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 619 transitions, 17849 flow, removed 83 selfloop flow, removed 5 redundant places. [2021-03-25 17:39:38,634 INFO L241 Difference]: Finished difference. Result has 307 places, 606 transitions, 16859 flow [2021-03-25 17:39:38,634 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} [2021-03-25 17:39:38,634 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 290 predicate places. [2021-03-25 17:39:38,634 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:38,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 606 transitions, 16859 flow [2021-03-25 17:39:38,635 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 606 transitions, 16859 flow [2021-03-25 17:39:38,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 306 places, 606 transitions, 16859 flow [2021-03-25 17:39:38,856 INFO L129 PetriNetUnfolder]: 550/1226 cut-off events. [2021-03-25 17:39:38,857 INFO L130 PetriNetUnfolder]: For 64887/65091 co-relation queries the response was YES. [2021-03-25 17:39:38,867 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. [2021-03-25 17:39:38,879 INFO L142 LiptonReduction]: Number of co-enabled transitions 1226 [2021-03-25 17:39:39,041 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 17:39:39,042 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 17:39:39,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-03-25 17:39:39,042 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 597 transitions, 16536 flow [2021-03-25 17:39:39,042 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) [2021-03-25 17:39:39,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:39,042 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:39,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:39,245 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:39,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:39,245 INFO L82 PathProgramCache]: Analyzing trace with hash -144363810, now seen corresponding path program 1 times [2021-03-25 17:39:39,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:39,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603056215] [2021-03-25 17:39:39,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:39,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:39,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:39,270 INFO L142 QuantifierPusher]: treesize reduction 95, result has 32.1 percent of original size [2021-03-25 17:39:39,270 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-03-25 17:39:39,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:39,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603056215] [2021-03-25 17:39:39,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817096631] [2021-03-25 17:39:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 17:39:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:39,323 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:39:39,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:39,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:39,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:39,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:39,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:39,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:39,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:39,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:39,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:39,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,362 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 [2021-03-25 17:39:39,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:39,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:39,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:39,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:39,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:39,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:31 [2021-03-25 17:39:39,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:39,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:39:39,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:39,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:39:39,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:39:39,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:39:39,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:39:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:39,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:39,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:39:39,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:39:39,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:39,422 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 [2021-03-25 17:39:39,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:39:39,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:39:39,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:39,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:39:39,443 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. [2021-03-25 17:39:39,443 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:65 [2021-03-25 17:39:39,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:39:39,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:39,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:39,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:39,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:39:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:39,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:39,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:39:39,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157784978] [2021-03-25 17:39:39,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:39:39,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:39,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:39:39,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:39:39,489 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 98 [2021-03-25 17:39:39,489 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) [2021-03-25 17:39:39,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:39,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 98 [2021-03-25 17:39:39,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:40,104 INFO L129 PetriNetUnfolder]: 540/1208 cut-off events. [2021-03-25 17:39:40,104 INFO L130 PetriNetUnfolder]: For 64486/64965 co-relation queries the response was YES. [2021-03-25 17:39:40,113 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. [2021-03-25 17:39:40,120 INFO L132 encePairwiseOnDemand]: 77/98 looper letters, 487 selfloop transitions, 97 changer transitions 5/592 dead transitions. [2021-03-25 17:39:40,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 592 transitions, 17554 flow [2021-03-25 17:39:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:39:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:39:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 96 transitions. [2021-03-25 17:39:40,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12244897959183673 [2021-03-25 17:39:40,121 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 96 transitions. [2021-03-25 17:39:40,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 96 transitions. [2021-03-25 17:39:40,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:40,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 96 transitions. [2021-03-25 17:39:40,122 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) [2021-03-25 17:39:40,123 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) [2021-03-25 17:39:40,123 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) [2021-03-25 17:39:40,123 INFO L185 Difference]: Start difference. First operand has 306 places, 597 transitions, 16536 flow. Second operand 8 states and 96 transitions. [2021-03-25 17:39:40,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 592 transitions, 17554 flow [2021-03-25 17:39:40,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 592 transitions, 17216 flow, removed 48 selfloop flow, removed 10 redundant places. [2021-03-25 17:39:40,407 INFO L241 Difference]: Finished difference. Result has 303 places, 586 transitions, 16062 flow [2021-03-25 17:39:40,407 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} [2021-03-25 17:39:40,407 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 286 predicate places. [2021-03-25 17:39:40,407 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:40,407 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 586 transitions, 16062 flow [2021-03-25 17:39:40,407 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 586 transitions, 16062 flow [2021-03-25 17:39:40,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 586 transitions, 16062 flow [2021-03-25 17:39:40,622 INFO L129 PetriNetUnfolder]: 539/1203 cut-off events. [2021-03-25 17:39:40,622 INFO L130 PetriNetUnfolder]: For 60402/60444 co-relation queries the response was YES. [2021-03-25 17:39:40,631 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. [2021-03-25 17:39:40,643 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-25 17:39:40,843 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:40,843 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:40,843 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 436 [2021-03-25 17:39:40,843 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 585 transitions, 16058 flow [2021-03-25 17:39:40,843 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) [2021-03-25 17:39:40,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:40,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:41,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:41,044 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:41,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:41,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1300471369, now seen corresponding path program 1 times [2021-03-25 17:39:41,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:41,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064352966] [2021-03-25 17:39:41,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:41,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:41,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:41,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:41,060 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:41,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:41,064 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:41,065 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:41,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:41,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064352966] [2021-03-25 17:39:41,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190378859] [2021-03-25 17:39:41,080 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 [2021-03-25 17:39:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:41,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:41,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:41,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:41,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:41,143 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 [2021-03-25 17:39:41,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:41,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:41,144 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:41,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:41,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:41,148 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:41,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:41,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:41,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:41,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:41,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:41,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:41,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:41,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:41,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:41,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:41,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:41,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:41,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:41,168 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 [2021-03-25 17:39:41,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:41,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:41,169 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:41,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:41,175 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. [2021-03-25 17:39:41,175 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:41,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:41,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:41,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:41,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:41,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:41,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:41,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:41,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774315455] [2021-03-25 17:39:41,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:41,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:41,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:41,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:41,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 99 [2021-03-25 17:39:41,188 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) [2021-03-25 17:39:41,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:41,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 99 [2021-03-25 17:39:41,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:41,911 INFO L129 PetriNetUnfolder]: 556/1249 cut-off events. [2021-03-25 17:39:41,911 INFO L130 PetriNetUnfolder]: For 63949/64231 co-relation queries the response was YES. [2021-03-25 17:39:41,922 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. [2021-03-25 17:39:41,930 INFO L132 encePairwiseOnDemand]: 75/99 looper letters, 395 selfloop transitions, 248 changer transitions 25/671 dead transitions. [2021-03-25 17:39:41,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 671 transitions, 20003 flow [2021-03-25 17:39:41,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 17:39:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 17:39:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 229 transitions. [2021-03-25 17:39:41,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.11014911014911015 [2021-03-25 17:39:41,932 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 229 transitions. [2021-03-25 17:39:41,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 229 transitions. [2021-03-25 17:39:41,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:41,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 229 transitions. [2021-03-25 17:39:41,933 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) [2021-03-25 17:39:41,934 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) [2021-03-25 17:39:41,934 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) [2021-03-25 17:39:41,935 INFO L185 Difference]: Start difference. First operand has 298 places, 585 transitions, 16058 flow. Second operand 21 states and 229 transitions. [2021-03-25 17:39:41,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 671 transitions, 20003 flow [2021-03-25 17:39:42,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 671 transitions, 19763 flow, removed 16 selfloop flow, removed 8 redundant places. [2021-03-25 17:39:42,234 INFO L241 Difference]: Finished difference. Result has 315 places, 608 transitions, 17252 flow [2021-03-25 17:39:42,235 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} [2021-03-25 17:39:42,235 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 298 predicate places. [2021-03-25 17:39:42,235 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:42,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 608 transitions, 17252 flow [2021-03-25 17:39:42,235 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 608 transitions, 17252 flow [2021-03-25 17:39:42,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 310 places, 608 transitions, 17252 flow [2021-03-25 17:39:42,452 INFO L129 PetriNetUnfolder]: 544/1210 cut-off events. [2021-03-25 17:39:42,452 INFO L130 PetriNetUnfolder]: For 60274/60371 co-relation queries the response was YES. [2021-03-25 17:39:42,462 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. [2021-03-25 17:39:42,475 INFO L142 LiptonReduction]: Number of co-enabled transitions 1230 [2021-03-25 17:39:42,652 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:42,652 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:42,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-03-25 17:39:42,653 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 607 transitions, 17250 flow [2021-03-25 17:39:42,653 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) [2021-03-25 17:39:42,653 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:42,653 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:42,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-03-25 17:39:42,853 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:42,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:42,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1298251496, now seen corresponding path program 1 times [2021-03-25 17:39:42,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:42,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914847318] [2021-03-25 17:39:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:42,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:42,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:42,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:42,882 INFO L142 QuantifierPusher]: treesize reduction 49, result has 35.5 percent of original size [2021-03-25 17:39:42,882 INFO L147 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size 22 [2021-03-25 17:39:42,903 INFO L142 QuantifierPusher]: treesize reduction 44, result has 56.9 percent of original size [2021-03-25 17:39:42,904 INFO L147 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size 40 [2021-03-25 17:39:42,929 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:42,929 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:42,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:42,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914847318] [2021-03-25 17:39:42,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605018480] [2021-03-25 17:39:42,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:39:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:42,991 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:39:42,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:42,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:42,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:42,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:42,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:42,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:42,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:42,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:42,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:43,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:43,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:43,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:43,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:43,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:43,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:43,028 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 [2021-03-25 17:39:43,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:43,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:43,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:43,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:43,033 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:43,033 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:43,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:43,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:43,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:43,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:43,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:43,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:43,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:39:43,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:43,048 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 [2021-03-25 17:39:43,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:43,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:43,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:43,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:43,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:43,057 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:27 [2021-03-25 17:39:43,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:43,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:43,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:43,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:43,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:43,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:43,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:43,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:43,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:39:43,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:39:43,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:39:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:43,085 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 [2021-03-25 17:39:43,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:43,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:39:43,087 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:43,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:43,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:39:43,098 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. [2021-03-25 17:39:43,098 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:32 [2021-03-25 17:39:43,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:43,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:39:43,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:43,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:43,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:43,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:39:43,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:43,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:43,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:43,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376424223] [2021-03-25 17:39:43,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:43,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:43,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:43,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:43,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 100 [2021-03-25 17:39:43,117 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) [2021-03-25 17:39:43,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:43,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 100 [2021-03-25 17:39:43,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:43,813 INFO L129 PetriNetUnfolder]: 554/1234 cut-off events. [2021-03-25 17:39:43,814 INFO L130 PetriNetUnfolder]: For 63325/63741 co-relation queries the response was YES. [2021-03-25 17:39:43,823 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. [2021-03-25 17:39:43,832 INFO L132 encePairwiseOnDemand]: 77/100 looper letters, 485 selfloop transitions, 134 changer transitions 14/636 dead transitions. [2021-03-25 17:39:43,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 636 transitions, 19538 flow [2021-03-25 17:39:43,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:39:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:39:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 134 transitions. [2021-03-25 17:39:43,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.11166666666666666 [2021-03-25 17:39:43,833 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 134 transitions. [2021-03-25 17:39:43,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 134 transitions. [2021-03-25 17:39:43,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:43,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 134 transitions. [2021-03-25 17:39:43,833 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) [2021-03-25 17:39:43,834 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) [2021-03-25 17:39:43,834 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) [2021-03-25 17:39:43,834 INFO L185 Difference]: Start difference. First operand has 309 places, 607 transitions, 17250 flow. Second operand 12 states and 134 transitions. [2021-03-25 17:39:43,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 636 transitions, 19538 flow [2021-03-25 17:39:44,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 636 transitions, 19073 flow, removed 176 selfloop flow, removed 7 redundant places. [2021-03-25 17:39:44,114 INFO L241 Difference]: Finished difference. Result has 317 places, 612 transitions, 17333 flow [2021-03-25 17:39:44,115 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} [2021-03-25 17:39:44,115 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 300 predicate places. [2021-03-25 17:39:44,115 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:44,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 612 transitions, 17333 flow [2021-03-25 17:39:44,115 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 612 transitions, 17333 flow [2021-03-25 17:39:44,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 312 places, 612 transitions, 17333 flow [2021-03-25 17:39:44,334 INFO L129 PetriNetUnfolder]: 550/1220 cut-off events. [2021-03-25 17:39:44,334 INFO L130 PetriNetUnfolder]: For 61974/62188 co-relation queries the response was YES. [2021-03-25 17:39:44,344 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. [2021-03-25 17:39:44,357 INFO L142 LiptonReduction]: Number of co-enabled transitions 1238 [2021-03-25 17:39:44,422 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:44,423 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:44,423 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-25 17:39:44,423 INFO L480 AbstractCegarLoop]: Abstraction has has 312 places, 612 transitions, 17333 flow [2021-03-25 17:39:44,423 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) [2021-03-25 17:39:44,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:44,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:44,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:44,628 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:44,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:44,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1025051384, now seen corresponding path program 1 times [2021-03-25 17:39:44,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:44,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500644361] [2021-03-25 17:39:44,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:44,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:44,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:44,650 INFO L142 QuantifierPusher]: treesize reduction 150, result has 28.9 percent of original size [2021-03-25 17:39:44,651 INFO L147 QuantifierPusher]: treesize reduction 14, result has 77.0 percent of original size 47 [2021-03-25 17:39:44,688 INFO L142 QuantifierPusher]: treesize reduction 145, result has 44.7 percent of original size [2021-03-25 17:39:44,689 INFO L147 QuantifierPusher]: treesize reduction 27, result has 76.9 percent of original size 90 [2021-03-25 17:39:44,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:44,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500644361] [2021-03-25 17:39:44,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476005071] [2021-03-25 17:39:44,738 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) [2021-03-25 17:39:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:44,759 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:44,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:44,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,772 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:39:44,773 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:39:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:44,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:44,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:44,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:44,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:44,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:44,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:44,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:44,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:44,806 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 [2021-03-25 17:39:44,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:44,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:44,807 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:44,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:44,812 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:44,812 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:44,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:44,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:44,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:44,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:44,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:44,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:44,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:44,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:44,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:39:44,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:44,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:44,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:39:44,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:44,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:44,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:39:44,834 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 [2021-03-25 17:39:44,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:44,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:44,836 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:44,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:39:44,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:44,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:49 [2021-03-25 17:39:44,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:39:44,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:44,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:39:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:44,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:44,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:44,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709830754] [2021-03-25 17:39:44,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:44,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:44,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:44,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:44,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 100 [2021-03-25 17:39:44,878 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) [2021-03-25 17:39:44,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:44,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 100 [2021-03-25 17:39:44,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:45,555 INFO L129 PetriNetUnfolder]: 559/1240 cut-off events. [2021-03-25 17:39:45,556 INFO L130 PetriNetUnfolder]: For 63530/64145 co-relation queries the response was YES. [2021-03-25 17:39:45,566 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. [2021-03-25 17:39:45,573 INFO L132 encePairwiseOnDemand]: 77/100 looper letters, 510 selfloop transitions, 118 changer transitions 1/632 dead transitions. [2021-03-25 17:39:45,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 632 transitions, 19251 flow [2021-03-25 17:39:45,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:39:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:39:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 137 transitions. [2021-03-25 17:39:45,574 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.11416666666666667 [2021-03-25 17:39:45,574 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 137 transitions. [2021-03-25 17:39:45,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 137 transitions. [2021-03-25 17:39:45,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:45,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 137 transitions. [2021-03-25 17:39:45,575 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) [2021-03-25 17:39:45,575 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) [2021-03-25 17:39:45,576 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) [2021-03-25 17:39:45,576 INFO L185 Difference]: Start difference. First operand has 312 places, 612 transitions, 17333 flow. Second operand 12 states and 137 transitions. [2021-03-25 17:39:45,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 632 transitions, 19251 flow [2021-03-25 17:39:45,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 632 transitions, 18811 flow, removed 31 selfloop flow, removed 9 redundant places. [2021-03-25 17:39:45,893 INFO L241 Difference]: Finished difference. Result has 319 places, 630 transitions, 17871 flow [2021-03-25 17:39:45,894 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} [2021-03-25 17:39:45,894 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 302 predicate places. [2021-03-25 17:39:45,894 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:45,894 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 630 transitions, 17871 flow [2021-03-25 17:39:45,895 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 630 transitions, 17871 flow [2021-03-25 17:39:45,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 630 transitions, 17871 flow [2021-03-25 17:39:46,155 INFO L129 PetriNetUnfolder]: 559/1239 cut-off events. [2021-03-25 17:39:46,155 INFO L130 PetriNetUnfolder]: For 63812/63842 co-relation queries the response was YES. [2021-03-25 17:39:46,168 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. [2021-03-25 17:39:46,184 INFO L142 LiptonReduction]: Number of co-enabled transitions 1282 [2021-03-25 17:39:46,763 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 17:39:46,763 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 17:39:46,763 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 869 [2021-03-25 17:39:46,764 INFO L480 AbstractCegarLoop]: Abstraction has has 318 places, 627 transitions, 17878 flow [2021-03-25 17:39:46,764 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) [2021-03-25 17:39:46,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:46,764 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:46,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:46,964 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:46,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:46,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1639753724, now seen corresponding path program 1 times [2021-03-25 17:39:46,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:46,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013766196] [2021-03-25 17:39:46,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:46,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:46,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:46,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:46,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:46,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:46,990 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:46,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:46,993 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:46,993 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:47,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 17:39:47,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013766196] [2021-03-25 17:39:47,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198939023] [2021-03-25 17:39:47,008 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 [2021-03-25 17:39:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:47,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:47,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:47,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:47,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:47,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:47,078 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 [2021-03-25 17:39:47,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:47,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:47,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:47,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:47,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:47,085 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:47,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:47,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:47,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:47,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:47,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:47,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:47,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:47,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:47,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:47,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:47,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:47,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:47,111 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 [2021-03-25 17:39:47,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:47,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:47,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:47,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:47,120 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. [2021-03-25 17:39:47,120 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:47,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:47,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:47,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:47,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:47,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-25 17:39:47,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152598428] [2021-03-25 17:39:47,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 17:39:47,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:47,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 17:39:47,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-03-25 17:39:47,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-25 17:39:47,136 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) [2021-03-25 17:39:47,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:47,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-25 17:39:47,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:48,092 INFO L129 PetriNetUnfolder]: 586/1304 cut-off events. [2021-03-25 17:39:48,092 INFO L130 PetriNetUnfolder]: For 69760/70756 co-relation queries the response was YES. [2021-03-25 17:39:48,104 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. [2021-03-25 17:39:48,113 INFO L132 encePairwiseOnDemand]: 80/107 looper letters, 488 selfloop transitions, 199 changer transitions 1/691 dead transitions. [2021-03-25 17:39:48,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 691 transitions, 21146 flow [2021-03-25 17:39:48,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 17:39:48,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 17:39:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 189 transitions. [2021-03-25 17:39:48,114 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10390324354040682 [2021-03-25 17:39:48,114 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 189 transitions. [2021-03-25 17:39:48,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 189 transitions. [2021-03-25 17:39:48,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:48,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 189 transitions. [2021-03-25 17:39:48,114 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) [2021-03-25 17:39:48,115 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) [2021-03-25 17:39:48,116 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) [2021-03-25 17:39:48,116 INFO L185 Difference]: Start difference. First operand has 318 places, 627 transitions, 17878 flow. Second operand 17 states and 189 transitions. [2021-03-25 17:39:48,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 691 transitions, 21146 flow [2021-03-25 17:39:48,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 691 transitions, 21025 flow, removed 52 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:48,443 INFO L241 Difference]: Finished difference. Result has 334 places, 668 transitions, 19658 flow [2021-03-25 17:39:48,444 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} [2021-03-25 17:39:48,444 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 317 predicate places. [2021-03-25 17:39:48,444 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:48,444 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 334 places, 668 transitions, 19658 flow [2021-03-25 17:39:48,444 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 334 places, 668 transitions, 19658 flow [2021-03-25 17:39:48,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 668 transitions, 19658 flow [2021-03-25 17:39:48,695 INFO L129 PetriNetUnfolder]: 586/1303 cut-off events. [2021-03-25 17:39:48,695 INFO L130 PetriNetUnfolder]: For 76127/76592 co-relation queries the response was YES. [2021-03-25 17:39:48,706 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. [2021-03-25 17:39:48,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 1358 [2021-03-25 17:39:48,905 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 17:39:48,906 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 17:39:48,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 462 [2021-03-25 17:39:48,906 INFO L480 AbstractCegarLoop]: Abstraction has has 333 places, 663 transitions, 19450 flow [2021-03-25 17:39:48,906 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) [2021-03-25 17:39:48,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:48,906 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:39:49,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-25 17:39:49,107 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:49,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:49,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1665169017, now seen corresponding path program 1 times [2021-03-25 17:39:49,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:49,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615999794] [2021-03-25 17:39:49,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:49,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:49,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:49,122 INFO L142 QuantifierPusher]: treesize reduction 164, result has 39.7 percent of original size [2021-03-25 17:39:49,123 INFO L147 QuantifierPusher]: treesize reduction 19, result has 82.4 percent of original size 89 [2021-03-25 17:39:49,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:49,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:49,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615999794] [2021-03-25 17:39:49,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:39:49,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:39:49,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201246070] [2021-03-25 17:39:49,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:39:49,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:49,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:39:49,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:39:49,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-25 17:39:49,160 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) [2021-03-25 17:39:49,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:49,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-25 17:39:49,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:49,755 INFO L129 PetriNetUnfolder]: 583/1297 cut-off events. [2021-03-25 17:39:49,755 INFO L130 PetriNetUnfolder]: For 77007/78871 co-relation queries the response was YES. [2021-03-25 17:39:49,767 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. [2021-03-25 17:39:49,775 INFO L132 encePairwiseOnDemand]: 89/107 looper letters, 563 selfloop transitions, 95 changer transitions 4/665 dead transitions. [2021-03-25 17:39:49,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 665 transitions, 20852 flow [2021-03-25 17:39:49,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:39:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:39:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2021-03-25 17:39:49,776 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14205607476635515 [2021-03-25 17:39:49,776 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 76 transitions. [2021-03-25 17:39:49,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 76 transitions. [2021-03-25 17:39:49,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:49,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 76 transitions. [2021-03-25 17:39:49,776 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) [2021-03-25 17:39:49,776 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) [2021-03-25 17:39:49,776 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) [2021-03-25 17:39:49,776 INFO L185 Difference]: Start difference. First operand has 333 places, 663 transitions, 19450 flow. Second operand 5 states and 76 transitions. [2021-03-25 17:39:49,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 665 transitions, 20852 flow [2021-03-25 17:39:50,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 665 transitions, 20494 flow, removed 144 selfloop flow, removed 9 redundant places. [2021-03-25 17:39:50,136 INFO L241 Difference]: Finished difference. Result has 329 places, 660 transitions, 19171 flow [2021-03-25 17:39:50,136 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} [2021-03-25 17:39:50,137 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 312 predicate places. [2021-03-25 17:39:50,137 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:50,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 329 places, 660 transitions, 19171 flow [2021-03-25 17:39:50,137 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 329 places, 660 transitions, 19171 flow [2021-03-25 17:39:50,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 327 places, 660 transitions, 19171 flow [2021-03-25 17:39:50,376 INFO L129 PetriNetUnfolder]: 582/1293 cut-off events. [2021-03-25 17:39:50,376 INFO L130 PetriNetUnfolder]: For 75836/75916 co-relation queries the response was YES. [2021-03-25 17:39:50,424 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. [2021-03-25 17:39:50,440 INFO L142 LiptonReduction]: Number of co-enabled transitions 1340 [2021-03-25 17:39:50,513 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:50,513 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:50,513 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-03-25 17:39:50,514 INFO L480 AbstractCegarLoop]: Abstraction has has 327 places, 660 transitions, 19171 flow [2021-03-25 17:39:50,514 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) [2021-03-25 17:39:50,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:50,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:50,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-25 17:39:50,514 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:50,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:50,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1813158463, now seen corresponding path program 1 times [2021-03-25 17:39:50,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:50,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226476134] [2021-03-25 17:39:50,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:50,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:50,532 INFO L142 QuantifierPusher]: treesize reduction 159, result has 26.4 percent of original size [2021-03-25 17:39:50,532 INFO L147 QuantifierPusher]: treesize reduction 5, result has 91.2 percent of original size 52 [2021-03-25 17:39:50,569 INFO L142 QuantifierPusher]: treesize reduction 139, result has 47.9 percent of original size [2021-03-25 17:39:50,570 INFO L147 QuantifierPusher]: treesize reduction 33, result has 74.2 percent of original size 95 [2021-03-25 17:39:50,642 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:50,642 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:50,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:50,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226476134] [2021-03-25 17:39:50,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896214159] [2021-03-25 17:39:50,660 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 [2021-03-25 17:39:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:50,673 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:39:50,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:50,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:50,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:50,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:50,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:50,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:50,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:50,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:50,699 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 [2021-03-25 17:39:50,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:50,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:50,700 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:50,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:50,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:50,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:50,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:50,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:50,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:50,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:50,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:50,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:50,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:50,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:50,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:50,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:50,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:39:50,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-03-25 17:39:50,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:50,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:50,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:50,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:39:50,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:50,742 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:52 [2021-03-25 17:39:50,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:39:50,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:39:50,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:50,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:50,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:50,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:50,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:50,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:50,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:39:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:39:50,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:50,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:50,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:50,790 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 [2021-03-25 17:39:50,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:50,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:50,793 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:50,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:50,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:39:50,814 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. [2021-03-25 17:39:50,814 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:57 [2021-03-25 17:39:50,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:50,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:39:50,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:50,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:50,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:50,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:39:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:50,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:50,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:39:50,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285766910] [2021-03-25 17:39:50,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:39:50,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:50,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:39:50,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:50,842 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-25 17:39:50,842 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) [2021-03-25 17:39:50,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:50,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-25 17:39:50,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:51,597 INFO L129 PetriNetUnfolder]: 588/1309 cut-off events. [2021-03-25 17:39:51,597 INFO L130 PetriNetUnfolder]: For 78901/80400 co-relation queries the response was YES. [2021-03-25 17:39:51,609 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. [2021-03-25 17:39:51,617 INFO L132 encePairwiseOnDemand]: 85/107 looper letters, 537 selfloop transitions, 126 changer transitions 14/680 dead transitions. [2021-03-25 17:39:51,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 680 transitions, 21220 flow [2021-03-25 17:39:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 17:39:51,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 17:39:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 121 transitions. [2021-03-25 17:39:51,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1130841121495327 [2021-03-25 17:39:51,618 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 121 transitions. [2021-03-25 17:39:51,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 121 transitions. [2021-03-25 17:39:51,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:51,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 121 transitions. [2021-03-25 17:39:51,619 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) [2021-03-25 17:39:51,619 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) [2021-03-25 17:39:51,619 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) [2021-03-25 17:39:51,620 INFO L185 Difference]: Start difference. First operand has 327 places, 660 transitions, 19171 flow. Second operand 10 states and 121 transitions. [2021-03-25 17:39:51,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 680 transitions, 21220 flow [2021-03-25 17:39:51,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 680 transitions, 21024 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:51,979 INFO L241 Difference]: Finished difference. Result has 336 places, 658 transitions, 19190 flow [2021-03-25 17:39:51,980 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} [2021-03-25 17:39:51,980 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 319 predicate places. [2021-03-25 17:39:51,980 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:51,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 658 transitions, 19190 flow [2021-03-25 17:39:51,980 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 658 transitions, 19190 flow [2021-03-25 17:39:51,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 330 places, 658 transitions, 19190 flow [2021-03-25 17:39:52,223 INFO L129 PetriNetUnfolder]: 584/1295 cut-off events. [2021-03-25 17:39:52,223 INFO L130 PetriNetUnfolder]: For 78975/79457 co-relation queries the response was YES. [2021-03-25 17:39:52,236 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. [2021-03-25 17:39:52,289 INFO L142 LiptonReduction]: Number of co-enabled transitions 1334 [2021-03-25 17:39:52,362 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:39:52,362 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:39:52,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-25 17:39:52,362 INFO L480 AbstractCegarLoop]: Abstraction has has 330 places, 658 transitions, 19190 flow [2021-03-25 17:39:52,362 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) [2021-03-25 17:39:52,362 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:52,362 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:52,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:52,563 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:52,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:52,563 INFO L82 PathProgramCache]: Analyzing trace with hash -561119478, now seen corresponding path program 1 times [2021-03-25 17:39:52,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:52,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857324506] [2021-03-25 17:39:52,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:52,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:52,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:52,581 INFO L142 QuantifierPusher]: treesize reduction 138, result has 34.6 percent of original size [2021-03-25 17:39:52,581 INFO L147 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-03-25 17:39:52,635 INFO L142 QuantifierPusher]: treesize reduction 151, result has 42.4 percent of original size [2021-03-25 17:39:52,636 INFO L147 QuantifierPusher]: treesize reduction 21, result has 81.1 percent of original size 90 [2021-03-25 17:39:52,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:52,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:52,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857324506] [2021-03-25 17:39:52,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673140712] [2021-03-25 17:39:52,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:52,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:39:52,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:52,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:52,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:52,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:52,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:52,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:52,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:52,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:52,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:52,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:52,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:52,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:52,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:52,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:52,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:52,764 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 [2021-03-25 17:39:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:52,766 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:52,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:52,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:52,772 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:52,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:52,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:52,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:52,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:52,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:39:52,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:39:52,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:52,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:52,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:52,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:52,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:52,825 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 [2021-03-25 17:39:52,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:52,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:52,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:52,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:39:52,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:52,846 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. [2021-03-25 17:39:52,846 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:66 [2021-03-25 17:39:52,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:39:52,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:52,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:52,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:52,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:39:52,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:52,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:39:52,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:39:52,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027684832] [2021-03-25 17:39:52,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:39:52,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:52,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:39:52,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:39:52,869 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-25 17:39:52,869 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) [2021-03-25 17:39:52,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:52,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-25 17:39:52,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:53,400 INFO L129 PetriNetUnfolder]: 585/1297 cut-off events. [2021-03-25 17:39:53,400 INFO L130 PetriNetUnfolder]: For 79215/80210 co-relation queries the response was YES. [2021-03-25 17:39:53,412 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. [2021-03-25 17:39:53,420 INFO L132 encePairwiseOnDemand]: 90/107 looper letters, 632 selfloop transitions, 26 changer transitions 0/661 dead transitions. [2021-03-25 17:39:53,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 661 transitions, 20641 flow [2021-03-25 17:39:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:39:53,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:39:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 90 transitions. [2021-03-25 17:39:53,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12016021361815754 [2021-03-25 17:39:53,421 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 90 transitions. [2021-03-25 17:39:53,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 90 transitions. [2021-03-25 17:39:53,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:53,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 90 transitions. [2021-03-25 17:39:53,421 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) [2021-03-25 17:39:53,422 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) [2021-03-25 17:39:53,422 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) [2021-03-25 17:39:53,422 INFO L185 Difference]: Start difference. First operand has 330 places, 658 transitions, 19190 flow. Second operand 7 states and 90 transitions. [2021-03-25 17:39:53,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 661 transitions, 20641 flow [2021-03-25 17:39:53,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 661 transitions, 20056 flow, removed 28 selfloop flow, removed 9 redundant places. [2021-03-25 17:39:53,784 INFO L241 Difference]: Finished difference. Result has 328 places, 660 transitions, 18757 flow [2021-03-25 17:39:53,784 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} [2021-03-25 17:39:53,784 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 311 predicate places. [2021-03-25 17:39:53,784 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:53,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 660 transitions, 18757 flow [2021-03-25 17:39:53,784 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 660 transitions, 18757 flow [2021-03-25 17:39:53,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 660 transitions, 18757 flow [2021-03-25 17:39:54,025 INFO L129 PetriNetUnfolder]: 585/1297 cut-off events. [2021-03-25 17:39:54,026 INFO L130 PetriNetUnfolder]: For 71282/71400 co-relation queries the response was YES. [2021-03-25 17:39:54,037 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. [2021-03-25 17:39:54,057 INFO L142 LiptonReduction]: Number of co-enabled transitions 1338 [2021-03-25 17:39:54,241 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:39:54,241 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:39:54,241 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 457 [2021-03-25 17:39:54,241 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 659 transitions, 18709 flow [2021-03-25 17:39:54,241 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) [2021-03-25 17:39:54,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:54,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:54,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-03-25 17:39:54,442 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:54,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:54,442 INFO L82 PathProgramCache]: Analyzing trace with hash 2140201839, now seen corresponding path program 1 times [2021-03-25 17:39:54,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:54,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101876421] [2021-03-25 17:39:54,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:54,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:54,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:54,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:54,458 INFO L142 QuantifierPusher]: treesize reduction 56, result has 23.3 percent of original size [2021-03-25 17:39:54,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:39:54,467 INFO L142 QuantifierPusher]: treesize reduction 51, result has 47.4 percent of original size [2021-03-25 17:39:54,468 INFO L147 QuantifierPusher]: treesize reduction 11, result has 76.1 percent of original size 35 [2021-03-25 17:39:54,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:54,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101876421] [2021-03-25 17:39:54,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384144096] [2021-03-25 17:39:54,494 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 [2021-03-25 17:39:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:54,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:54,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:54,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:54,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:54,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:54,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:54,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:54,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:54,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:54,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:54,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:54,591 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 [2021-03-25 17:39:54,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:54,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:54,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:54,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:54,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:54,599 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:54,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:54,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:54,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:54,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:54,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:54,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:39:54,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:39:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:54,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:54,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:39:54,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:54,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:54,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:54,627 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 [2021-03-25 17:39:54,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:54,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:39:54,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:54,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:54,638 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. [2021-03-25 17:39:54,638 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:31 [2021-03-25 17:39:54,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:54,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:54,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:54,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:54,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:39:54,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:39:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:54,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:54,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:54,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84258357] [2021-03-25 17:39:54,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:54,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:54,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:54,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:54,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 107 [2021-03-25 17:39:54,654 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) [2021-03-25 17:39:54,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:54,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 107 [2021-03-25 17:39:54,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:55,518 INFO L129 PetriNetUnfolder]: 655/1470 cut-off events. [2021-03-25 17:39:55,519 INFO L130 PetriNetUnfolder]: For 85089/86113 co-relation queries the response was YES. [2021-03-25 17:39:55,533 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. [2021-03-25 17:39:55,543 INFO L132 encePairwiseOnDemand]: 81/107 looper letters, 549 selfloop transitions, 226 changer transitions 1/779 dead transitions. [2021-03-25 17:39:55,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 779 transitions, 24087 flow [2021-03-25 17:39:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 17:39:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 17:39:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 216 transitions. [2021-03-25 17:39:55,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10093457943925234 [2021-03-25 17:39:55,544 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 216 transitions. [2021-03-25 17:39:55,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 216 transitions. [2021-03-25 17:39:55,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:55,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 216 transitions. [2021-03-25 17:39:55,545 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) [2021-03-25 17:39:55,546 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) [2021-03-25 17:39:55,546 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) [2021-03-25 17:39:55,546 INFO L185 Difference]: Start difference. First operand has 328 places, 659 transitions, 18709 flow. Second operand 20 states and 216 transitions. [2021-03-25 17:39:55,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 779 transitions, 24087 flow [2021-03-25 17:39:55,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 779 transitions, 23992 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-03-25 17:39:55,939 INFO L241 Difference]: Finished difference. Result has 347 places, 728 transitions, 21543 flow [2021-03-25 17:39:55,940 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} [2021-03-25 17:39:55,940 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 330 predicate places. [2021-03-25 17:39:55,940 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:55,940 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 728 transitions, 21543 flow [2021-03-25 17:39:55,940 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 728 transitions, 21543 flow [2021-03-25 17:39:55,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 347 places, 728 transitions, 21543 flow [2021-03-25 17:39:56,238 INFO L129 PetriNetUnfolder]: 655/1470 cut-off events. [2021-03-25 17:39:56,238 INFO L130 PetriNetUnfolder]: For 91855/92065 co-relation queries the response was YES. [2021-03-25 17:39:56,254 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. [2021-03-25 17:39:56,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 1474 [2021-03-25 17:39:56,711 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-25 17:39:56,711 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 17:39:56,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 771 [2021-03-25 17:39:56,712 INFO L480 AbstractCegarLoop]: Abstraction has has 345 places, 720 transitions, 21232 flow [2021-03-25 17:39:56,712 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) [2021-03-25 17:39:56,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:56,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:56,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:56,914 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:56,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:56,915 INFO L82 PathProgramCache]: Analyzing trace with hash 792121606, now seen corresponding path program 1 times [2021-03-25 17:39:56,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:56,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600921884] [2021-03-25 17:39:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:56,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:56,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:56,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:56,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:56,933 INFO L142 QuantifierPusher]: treesize reduction 169, result has 21.8 percent of original size [2021-03-25 17:39:56,933 INFO L147 QuantifierPusher]: treesize reduction 42, result has 10.6 percent of original size 5 [2021-03-25 17:39:56,956 INFO L142 QuantifierPusher]: treesize reduction 163, result has 39.0 percent of original size [2021-03-25 17:39:56,957 INFO L147 QuantifierPusher]: treesize reduction 27, result has 74.0 percent of original size 77 [2021-03-25 17:39:57,003 INFO L142 QuantifierPusher]: treesize reduction 18, result has 41.9 percent of original size [2021-03-25 17:39:57,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:57,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:57,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600921884] [2021-03-25 17:39:57,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045956472] [2021-03-25 17:39:57,018 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 [2021-03-25 17:39:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:57,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:39:57,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:57,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:57,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:57,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:57,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:57,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:57,081 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 [2021-03-25 17:39:57,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:57,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:57,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:57,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:57,086 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:57,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:57,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:57,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:57,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:39:57,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:39:57,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:39:57,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:39:57,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:39:57,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:57,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,153 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 [2021-03-25 17:39:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:57,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:39:57,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:57,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:39:57,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 17:39:57,180 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. [2021-03-25 17:39:57,180 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:71 [2021-03-25 17:39:57,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:39:57,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 17:39:57,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:39:57,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 17:39:57,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:39:57,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:57,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:39:57,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:57,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:57,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:39:57,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:57,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:39:57,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:39:57,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:39:57,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:39:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:57,354 INFO L354 Elim1Store]: treesize reduction 154, result has 26.3 percent of original size [2021-03-25 17:39:57,355 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 [2021-03-25 17:39:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:39:57,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:39:57,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:57,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:39:57,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:57,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 17:39:57,391 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. [2021-03-25 17:39:57,391 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:76 [2021-03-25 17:39:57,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:57,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:57,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:39:57,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:39:57,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:57,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 17:39:57,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:57,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:57,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:39:57,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 17:39:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:57,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:57,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:57,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811712913] [2021-03-25 17:39:57,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:57,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:57,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:57,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:57,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 110 [2021-03-25 17:39:57,424 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) [2021-03-25 17:39:57,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:57,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 110 [2021-03-25 17:39:57,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:39:58,283 INFO L129 PetriNetUnfolder]: 657/1466 cut-off events. [2021-03-25 17:39:58,283 INFO L130 PetriNetUnfolder]: For 90343/91271 co-relation queries the response was YES. [2021-03-25 17:39:58,297 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. [2021-03-25 17:39:58,306 INFO L132 encePairwiseOnDemand]: 92/110 looper letters, 618 selfloop transitions, 119 changer transitions 0/740 dead transitions. [2021-03-25 17:39:58,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 740 transitions, 23263 flow [2021-03-25 17:39:58,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:39:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:39:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 136 transitions. [2021-03-25 17:39:58,307 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10303030303030303 [2021-03-25 17:39:58,307 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 136 transitions. [2021-03-25 17:39:58,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 136 transitions. [2021-03-25 17:39:58,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:39:58,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 136 transitions. [2021-03-25 17:39:58,308 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) [2021-03-25 17:39:58,309 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) [2021-03-25 17:39:58,309 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) [2021-03-25 17:39:58,309 INFO L185 Difference]: Start difference. First operand has 345 places, 720 transitions, 21232 flow. Second operand 12 states and 136 transitions. [2021-03-25 17:39:58,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 740 transitions, 23263 flow [2021-03-25 17:39:58,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 740 transitions, 23063 flow, removed 67 selfloop flow, removed 10 redundant places. [2021-03-25 17:39:58,705 INFO L241 Difference]: Finished difference. Result has 350 places, 732 transitions, 21667 flow [2021-03-25 17:39:58,706 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} [2021-03-25 17:39:58,706 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 333 predicate places. [2021-03-25 17:39:58,706 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:39:58,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 732 transitions, 21667 flow [2021-03-25 17:39:58,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 732 transitions, 21667 flow [2021-03-25 17:39:58,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 350 places, 732 transitions, 21667 flow [2021-03-25 17:39:59,000 INFO L129 PetriNetUnfolder]: 657/1466 cut-off events. [2021-03-25 17:39:59,000 INFO L130 PetriNetUnfolder]: For 90354/90718 co-relation queries the response was YES. [2021-03-25 17:39:59,013 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. [2021-03-25 17:39:59,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 1482 [2021-03-25 17:39:59,535 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:39:59,535 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 17:39:59,536 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 830 [2021-03-25 17:39:59,536 INFO L480 AbstractCegarLoop]: Abstraction has has 347 places, 728 transitions, 21541 flow [2021-03-25 17:39:59,536 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) [2021-03-25 17:39:59,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:39:59,536 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:39:59,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:39:59,744 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:39:59,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:39:59,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1298534954, now seen corresponding path program 1 times [2021-03-25 17:39:59,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:39:59,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527468056] [2021-03-25 17:39:59,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:39:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:59,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:59,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:59,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:59,760 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:39:59,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:39:59,764 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:39:59,764 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:39:59,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:59,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527468056] [2021-03-25 17:39:59,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116829403] [2021-03-25 17:39:59,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:39:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:39:59,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:39:59,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:39:59,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:39:59,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:59,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:59,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:39:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:39:59,854 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 [2021-03-25 17:39:59,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:59,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:39:59,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:59,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:59,861 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:39:59,861 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:39:59,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:59,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:59,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:59,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:59,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:59,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:59,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:39:59,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:39:59,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:39:59,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:59,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:39:59,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:39:59,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:39:59,881 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 [2021-03-25 17:39:59,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:59,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:39:59,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:39:59,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:59,888 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. [2021-03-25 17:39:59,888 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:39:59,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:59,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:39:59,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:39:59,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:39:59,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:39:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:39:59,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:39:59,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:39:59,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144608474] [2021-03-25 17:39:59,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:39:59,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:39:59,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:39:59,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:39:59,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 112 [2021-03-25 17:39:59,902 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) [2021-03-25 17:39:59,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:39:59,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 112 [2021-03-25 17:39:59,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:01,134 INFO L129 PetriNetUnfolder]: 785/1755 cut-off events. [2021-03-25 17:40:01,134 INFO L130 PetriNetUnfolder]: For 112498/113519 co-relation queries the response was YES. [2021-03-25 17:40:01,157 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. [2021-03-25 17:40:01,172 INFO L132 encePairwiseOnDemand]: 87/112 looper letters, 489 selfloop transitions, 425 changer transitions 1/918 dead transitions. [2021-03-25 17:40:01,172 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 918 transitions, 29264 flow [2021-03-25 17:40:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-25 17:40:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-25 17:40:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 266 transitions. [2021-03-25 17:40:01,173 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.095 [2021-03-25 17:40:01,174 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 266 transitions. [2021-03-25 17:40:01,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 266 transitions. [2021-03-25 17:40:01,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:01,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 266 transitions. [2021-03-25 17:40:01,174 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) [2021-03-25 17:40:01,176 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) [2021-03-25 17:40:01,176 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) [2021-03-25 17:40:01,176 INFO L185 Difference]: Start difference. First operand has 347 places, 728 transitions, 21541 flow. Second operand 25 states and 266 transitions. [2021-03-25 17:40:01,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 918 transitions, 29264 flow [2021-03-25 17:40:01,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 918 transitions, 29022 flow, removed 51 selfloop flow, removed 8 redundant places. [2021-03-25 17:40:01,758 INFO L241 Difference]: Finished difference. Result has 371 places, 876 transitions, 27414 flow [2021-03-25 17:40:01,758 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} [2021-03-25 17:40:01,758 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 354 predicate places. [2021-03-25 17:40:01,758 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:01,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 371 places, 876 transitions, 27414 flow [2021-03-25 17:40:01,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 371 places, 876 transitions, 27414 flow [2021-03-25 17:40:01,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 371 places, 876 transitions, 27414 flow [2021-03-25 17:40:02,321 INFO L129 PetriNetUnfolder]: 785/1755 cut-off events. [2021-03-25 17:40:02,321 INFO L130 PetriNetUnfolder]: For 120401/120469 co-relation queries the response was YES. [2021-03-25 17:40:02,348 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. [2021-03-25 17:40:02,376 INFO L142 LiptonReduction]: Number of co-enabled transitions 1768 [2021-03-25 17:40:03,172 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 17:40:03,173 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-25 17:40:03,173 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1415 [2021-03-25 17:40:03,173 INFO L480 AbstractCegarLoop]: Abstraction has has 369 places, 866 transitions, 27008 flow [2021-03-25 17:40:03,173 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) [2021-03-25 17:40:03,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:03,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:03,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-03-25 17:40:03,374 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:03,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:03,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1826667984, now seen corresponding path program 1 times [2021-03-25 17:40:03,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:03,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239298476] [2021-03-25 17:40:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:03,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:03,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:03,401 INFO L142 QuantifierPusher]: treesize reduction 158, result has 35.2 percent of original size [2021-03-25 17:40:03,401 INFO L147 QuantifierPusher]: treesize reduction 28, result has 67.4 percent of original size 58 [2021-03-25 17:40:03,493 INFO L142 QuantifierPusher]: treesize reduction 167, result has 44.3 percent of original size [2021-03-25 17:40:03,494 INFO L147 QuantifierPusher]: treesize reduction 27, result has 79.7 percent of original size 106 [2021-03-25 17:40:03,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:03,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239298476] [2021-03-25 17:40:03,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228889727] [2021-03-25 17:40:03,557 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 [2021-03-25 17:40:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:03,570 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:40:03,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:03,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:03,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:03,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:03,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:03,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:03,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:03,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:03,607 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 [2021-03-25 17:40:03,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:03,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:03,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:03,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:03,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:03,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:40:03,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:03,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:03,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:03,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:03,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:40:03,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:40:03,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:40:03,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:40:03,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:40:03,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:40:03,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:40:03,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:40:03,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:40:03,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:40:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:03,648 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 [2021-03-25 17:40:03,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:40:03,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:40:03,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:03,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:03,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:40:03,675 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. [2021-03-25 17:40:03,675 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:64 [2021-03-25 17:40:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:40:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:03,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:03,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:03,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:40:05,720 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 17:40:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:05,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:05,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:40:05,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503198201] [2021-03-25 17:40:05,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:40:05,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:05,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:40:05,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:40:05,722 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 116 [2021-03-25 17:40:05,722 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) [2021-03-25 17:40:05,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:05,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 116 [2021-03-25 17:40:05,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:07,237 INFO L129 PetriNetUnfolder]: 792/1765 cut-off events. [2021-03-25 17:40:07,237 INFO L130 PetriNetUnfolder]: For 120664/121652 co-relation queries the response was YES. [2021-03-25 17:40:07,256 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. [2021-03-25 17:40:07,269 INFO L132 encePairwiseOnDemand]: 90/116 looper letters, 709 selfloop transitions, 172 changer transitions 9/893 dead transitions. [2021-03-25 17:40:07,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 893 transitions, 29846 flow [2021-03-25 17:40:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 17:40:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 17:40:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2021-03-25 17:40:07,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10501567398119123 [2021-03-25 17:40:07,271 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 134 transitions. [2021-03-25 17:40:07,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 134 transitions. [2021-03-25 17:40:07,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:07,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 134 transitions. [2021-03-25 17:40:07,271 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) [2021-03-25 17:40:07,272 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) [2021-03-25 17:40:07,272 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) [2021-03-25 17:40:07,272 INFO L185 Difference]: Start difference. First operand has 369 places, 866 transitions, 27008 flow. Second operand 11 states and 134 transitions. [2021-03-25 17:40:07,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 893 transitions, 29846 flow [2021-03-25 17:40:07,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 893 transitions, 29244 flow, removed 259 selfloop flow, removed 10 redundant places. [2021-03-25 17:40:08,013 INFO L241 Difference]: Finished difference. Result has 374 places, 874 transitions, 27153 flow [2021-03-25 17:40:08,013 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} [2021-03-25 17:40:08,013 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 357 predicate places. [2021-03-25 17:40:08,014 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:08,014 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 374 places, 874 transitions, 27153 flow [2021-03-25 17:40:08,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 374 places, 874 transitions, 27153 flow [2021-03-25 17:40:08,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 370 places, 874 transitions, 27153 flow [2021-03-25 17:40:08,528 INFO L129 PetriNetUnfolder]: 790/1756 cut-off events. [2021-03-25 17:40:08,528 INFO L130 PetriNetUnfolder]: For 120303/120351 co-relation queries the response was YES. [2021-03-25 17:40:08,549 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. [2021-03-25 17:40:08,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 1766 [2021-03-25 17:40:09,083 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:40:09,083 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:40:09,083 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1069 [2021-03-25 17:40:09,083 INFO L480 AbstractCegarLoop]: Abstraction has has 370 places, 874 transitions, 27215 flow [2021-03-25 17:40:09,083 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) [2021-03-25 17:40:09,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:09,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:09,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:40:09,284 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:09,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:09,284 INFO L82 PathProgramCache]: Analyzing trace with hash -180410245, now seen corresponding path program 1 times [2021-03-25 17:40:09,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:09,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183410213] [2021-03-25 17:40:09,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:09,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:09,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:09,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:09,310 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-25 17:40:09,310 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-25 17:40:09,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:09,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183410213] [2021-03-25 17:40:09,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817678311] [2021-03-25 17:40:09,335 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 [2021-03-25 17:40:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:09,362 WARN L261 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:40:09,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:09,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,377 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:40:09,377 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:40:09,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,393 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:40:09,394 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:40:09,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:09,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:09,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:40:09,411 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 17:40:09,412 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-25 17:40:09,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:09,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:40:09,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:40:09,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:09,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:40:09,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:40:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,429 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 [2021-03-25 17:40:09,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:40:09,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:40:09,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:09,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:40:09,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:09,439 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:26 [2021-03-25 17:40:09,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:40:09,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:40:09,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:09,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:40:09,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:09,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:09,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:40:09,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:09,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:40:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:09,468 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 [2021-03-25 17:40:09,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:40:09,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:40:09,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:09,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:40:09,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:09,480 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:33 [2021-03-25 17:40:09,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:40:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:40:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:09,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:09,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:40:09,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644521389] [2021-03-25 17:40:09,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:40:09,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:09,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:40:09,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:40:09,500 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 118 [2021-03-25 17:40:09,500 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) [2021-03-25 17:40:09,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:09,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 118 [2021-03-25 17:40:09,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:10,970 INFO L129 PetriNetUnfolder]: 791/1762 cut-off events. [2021-03-25 17:40:10,970 INFO L130 PetriNetUnfolder]: For 123413/124882 co-relation queries the response was YES. [2021-03-25 17:40:10,986 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. [2021-03-25 17:40:11,000 INFO L132 encePairwiseOnDemand]: 93/118 looper letters, 727 selfloop transitions, 152 changer transitions 2/884 dead transitions. [2021-03-25 17:40:11,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 884 transitions, 29393 flow [2021-03-25 17:40:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:40:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:40:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 141 transitions. [2021-03-25 17:40:11,001 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09957627118644068 [2021-03-25 17:40:11,001 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 141 transitions. [2021-03-25 17:40:11,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 141 transitions. [2021-03-25 17:40:11,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:11,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 141 transitions. [2021-03-25 17:40:11,002 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) [2021-03-25 17:40:11,002 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) [2021-03-25 17:40:11,002 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) [2021-03-25 17:40:11,003 INFO L185 Difference]: Start difference. First operand has 370 places, 874 transitions, 27215 flow. Second operand 12 states and 141 transitions. [2021-03-25 17:40:11,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 884 transitions, 29393 flow [2021-03-25 17:40:11,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 884 transitions, 28858 flow, removed 49 selfloop flow, removed 9 redundant places. [2021-03-25 17:40:11,641 INFO L241 Difference]: Finished difference. Result has 376 places, 879 transitions, 27332 flow [2021-03-25 17:40:11,642 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} [2021-03-25 17:40:11,642 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 359 predicate places. [2021-03-25 17:40:11,642 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:11,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 879 transitions, 27332 flow [2021-03-25 17:40:11,642 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 879 transitions, 27332 flow [2021-03-25 17:40:11,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 375 places, 879 transitions, 27332 flow [2021-03-25 17:40:12,105 INFO L129 PetriNetUnfolder]: 791/1761 cut-off events. [2021-03-25 17:40:12,105 INFO L130 PetriNetUnfolder]: For 123142/123216 co-relation queries the response was YES. [2021-03-25 17:40:12,126 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. [2021-03-25 17:40:12,151 INFO L142 LiptonReduction]: Number of co-enabled transitions 1776 [2021-03-25 17:40:12,837 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:40:12,837 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:40:12,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1196 [2021-03-25 17:40:12,838 INFO L480 AbstractCegarLoop]: Abstraction has has 373 places, 876 transitions, 27219 flow [2021-03-25 17:40:12,838 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) [2021-03-25 17:40:12,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:12,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:13,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-03-25 17:40:13,056 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:13,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:13,056 INFO L82 PathProgramCache]: Analyzing trace with hash -2124749500, now seen corresponding path program 1 times [2021-03-25 17:40:13,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:13,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412305332] [2021-03-25 17:40:13,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:13,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:13,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:13,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:13,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:13,076 INFO L142 QuantifierPusher]: treesize reduction 179, result has 26.6 percent of original size [2021-03-25 17:40:13,076 INFO L147 QuantifierPusher]: treesize reduction 60, result has 7.7 percent of original size 5 [2021-03-25 17:40:13,116 INFO L142 QuantifierPusher]: treesize reduction 184, result has 38.7 percent of original size [2021-03-25 17:40:13,116 INFO L147 QuantifierPusher]: treesize reduction 28, result has 75.9 percent of original size 88 [2021-03-25 17:40:13,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:13,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:13,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412305332] [2021-03-25 17:40:13,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:40:13,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:40:13,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758386920] [2021-03-25 17:40:13,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:40:13,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:13,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:40:13,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:40:13,174 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 120 [2021-03-25 17:40:13,174 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) [2021-03-25 17:40:13,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:13,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 120 [2021-03-25 17:40:13,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:14,330 INFO L129 PetriNetUnfolder]: 802/1784 cut-off events. [2021-03-25 17:40:14,331 INFO L130 PetriNetUnfolder]: For 125837/126858 co-relation queries the response was YES. [2021-03-25 17:40:14,348 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. [2021-03-25 17:40:14,361 INFO L132 encePairwiseOnDemand]: 98/120 looper letters, 745 selfloop transitions, 155 changer transitions 0/903 dead transitions. [2021-03-25 17:40:14,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 903 transitions, 29916 flow [2021-03-25 17:40:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:40:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:40:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 106 transitions. [2021-03-25 17:40:14,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.11041666666666666 [2021-03-25 17:40:14,362 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 106 transitions. [2021-03-25 17:40:14,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 106 transitions. [2021-03-25 17:40:14,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:14,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 106 transitions. [2021-03-25 17:40:14,362 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) [2021-03-25 17:40:14,363 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) [2021-03-25 17:40:14,363 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) [2021-03-25 17:40:14,363 INFO L185 Difference]: Start difference. First operand has 373 places, 876 transitions, 27219 flow. Second operand 8 states and 106 transitions. [2021-03-25 17:40:14,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 903 transitions, 29916 flow [2021-03-25 17:40:14,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 903 transitions, 29788 flow, removed 52 selfloop flow, removed 7 redundant places. [2021-03-25 17:40:14,946 INFO L241 Difference]: Finished difference. Result has 377 places, 892 transitions, 28067 flow [2021-03-25 17:40:14,946 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} [2021-03-25 17:40:14,946 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 360 predicate places. [2021-03-25 17:40:14,946 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:14,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 892 transitions, 28067 flow [2021-03-25 17:40:14,947 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 892 transitions, 28067 flow [2021-03-25 17:40:14,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 892 transitions, 28067 flow [2021-03-25 17:40:15,361 INFO L129 PetriNetUnfolder]: 802/1784 cut-off events. [2021-03-25 17:40:15,362 INFO L130 PetriNetUnfolder]: For 128534/128656 co-relation queries the response was YES. [2021-03-25 17:40:15,381 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. [2021-03-25 17:40:15,404 INFO L142 LiptonReduction]: Number of co-enabled transitions 1802 [2021-03-25 17:40:15,785 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:40:15,785 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:40:15,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 839 [2021-03-25 17:40:15,785 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 891 transitions, 28014 flow [2021-03-25 17:40:15,785 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) [2021-03-25 17:40:15,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:15,785 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:15,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-25 17:40:15,785 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:15,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:15,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1600915470, now seen corresponding path program 1 times [2021-03-25 17:40:15,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:15,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92184275] [2021-03-25 17:40:15,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:15,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:15,811 INFO L142 QuantifierPusher]: treesize reduction 207, result has 16.9 percent of original size [2021-03-25 17:40:15,811 INFO L147 QuantifierPusher]: treesize reduction 37, result has 11.9 percent of original size 5 [2021-03-25 17:40:15,838 INFO L142 QuantifierPusher]: treesize reduction 221, result has 27.5 percent of original size [2021-03-25 17:40:15,839 INFO L147 QuantifierPusher]: treesize reduction 13, result has 84.5 percent of original size 71 [2021-03-25 17:40:15,876 INFO L142 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size [2021-03-25 17:40:15,877 INFO L147 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size 19 [2021-03-25 17:40:15,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:15,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92184275] [2021-03-25 17:40:15,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321976790] [2021-03-25 17:40:15,899 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 [2021-03-25 17:40:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:15,911 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:40:15,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:15,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,934 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:40:15,934 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:40:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:15,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:15,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:15,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:15,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:15,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:15,962 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 [2021-03-25 17:40:15,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:15,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:15,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:15,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:15,967 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:15,968 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:40:15,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:15,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:15,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:15,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:40:15,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:40:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:40:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:40:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:40:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:40:15,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:15,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:16,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:16,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:16,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:16,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:16,004 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 [2021-03-25 17:40:16,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:40:16,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:40:16,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:16,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:16,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:16,027 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:64 [2021-03-25 17:40:16,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:16,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:16,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:16,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:16,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:40:16,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:40:16,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:16,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:40:16,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:40:16,076 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 [2021-03-25 17:40:16,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:40:16,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:40:16,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:16,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:16,102 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:16,102 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2021-03-25 17:40:16,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:16,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:16,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:16,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:16,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:40:16,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146455985] [2021-03-25 17:40:16,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:40:16,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:16,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:40:16,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:40:16,132 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 120 [2021-03-25 17:40:16,132 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) [2021-03-25 17:40:16,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:16,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 120 [2021-03-25 17:40:16,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:17,318 INFO L129 PetriNetUnfolder]: 811/1803 cut-off events. [2021-03-25 17:40:17,318 INFO L130 PetriNetUnfolder]: For 131002/132098 co-relation queries the response was YES. [2021-03-25 17:40:17,338 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. [2021-03-25 17:40:17,351 INFO L132 encePairwiseOnDemand]: 98/120 looper letters, 764 selfloop transitions, 144 changer transitions 1/912 dead transitions. [2021-03-25 17:40:17,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 912 transitions, 30720 flow [2021-03-25 17:40:17,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:40:17,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:40:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 142 transitions. [2021-03-25 17:40:17,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09861111111111111 [2021-03-25 17:40:17,352 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 142 transitions. [2021-03-25 17:40:17,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 142 transitions. [2021-03-25 17:40:17,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:17,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 142 transitions. [2021-03-25 17:40:17,353 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) [2021-03-25 17:40:17,354 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) [2021-03-25 17:40:17,354 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) [2021-03-25 17:40:17,354 INFO L185 Difference]: Start difference. First operand has 377 places, 891 transitions, 28014 flow. Second operand 12 states and 142 transitions. [2021-03-25 17:40:17,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 912 transitions, 30720 flow [2021-03-25 17:40:17,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 912 transitions, 30491 flow, removed 56 selfloop flow, removed 4 redundant places. [2021-03-25 17:40:18,004 INFO L241 Difference]: Finished difference. Result has 390 places, 910 transitions, 28951 flow [2021-03-25 17:40:18,005 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} [2021-03-25 17:40:18,005 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 373 predicate places. [2021-03-25 17:40:18,005 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:18,005 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 910 transitions, 28951 flow [2021-03-25 17:40:18,005 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 910 transitions, 28951 flow [2021-03-25 17:40:18,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 910 transitions, 28951 flow [2021-03-25 17:40:18,503 INFO L129 PetriNetUnfolder]: 811/1803 cut-off events. [2021-03-25 17:40:18,503 INFO L130 PetriNetUnfolder]: For 137276/137350 co-relation queries the response was YES. [2021-03-25 17:40:18,519 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. [2021-03-25 17:40:18,542 INFO L142 LiptonReduction]: Number of co-enabled transitions 1842 [2021-03-25 17:40:19,545 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:40:19,652 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-25 17:40:19,793 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-25 17:40:20,269 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 17:40:20,269 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 17:40:20,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2264 [2021-03-25 17:40:20,269 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 906 transitions, 28944 flow [2021-03-25 17:40:20,269 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) [2021-03-25 17:40:20,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:20,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:20,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-03-25 17:40:20,470 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:20,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:20,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1297674183, now seen corresponding path program 1 times [2021-03-25 17:40:20,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:20,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571315456] [2021-03-25 17:40:20,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:20,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:20,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:20,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:20,498 INFO L142 QuantifierPusher]: treesize reduction 98, result has 22.8 percent of original size [2021-03-25 17:40:20,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:20,512 INFO L142 QuantifierPusher]: treesize reduction 93, result has 42.9 percent of original size [2021-03-25 17:40:20,513 INFO L147 QuantifierPusher]: treesize reduction 13, result has 81.4 percent of original size 57 [2021-03-25 17:40:20,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:20,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571315456] [2021-03-25 17:40:20,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567179837] [2021-03-25 17:40:20,554 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 [2021-03-25 17:40:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:20,567 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:40:20,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:20,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,601 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:40:20,601 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:40:20,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:20,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:20,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:20,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:20,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:20,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:20,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:20,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:20,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:20,616 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 [2021-03-25 17:40:20,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:20,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:20,617 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:20,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:20,621 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:20,621 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:40:20,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:20,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:20,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:20,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:40:20,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:20,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:40:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:20,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:40:20,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:20,639 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 [2021-03-25 17:40:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:40:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:40:20,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:20,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:40:20,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:20,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:34 [2021-03-25 17:40:20,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:40:20,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:20,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:40:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:20,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:20,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:40:20,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52818833] [2021-03-25 17:40:20,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:40:20,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:20,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:40:20,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:40:20,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 127 [2021-03-25 17:40:20,670 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) [2021-03-25 17:40:20,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:20,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 127 [2021-03-25 17:40:20,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:22,374 INFO L129 PetriNetUnfolder]: 822/1827 cut-off events. [2021-03-25 17:40:22,374 INFO L130 PetriNetUnfolder]: For 141631/144805 co-relation queries the response was YES. [2021-03-25 17:40:22,395 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. [2021-03-25 17:40:22,408 INFO L132 encePairwiseOnDemand]: 91/127 looper letters, 727 selfloop transitions, 204 changer transitions 3/937 dead transitions. [2021-03-25 17:40:22,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 937 transitions, 32053 flow [2021-03-25 17:40:22,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 17:40:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 17:40:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 189 transitions. [2021-03-25 17:40:22,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09301181102362205 [2021-03-25 17:40:22,409 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 189 transitions. [2021-03-25 17:40:22,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 189 transitions. [2021-03-25 17:40:22,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:22,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 189 transitions. [2021-03-25 17:40:22,409 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) [2021-03-25 17:40:22,411 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) [2021-03-25 17:40:22,411 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) [2021-03-25 17:40:22,411 INFO L185 Difference]: Start difference. First operand has 387 places, 906 transitions, 28944 flow. Second operand 16 states and 189 transitions. [2021-03-25 17:40:22,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 937 transitions, 32053 flow [2021-03-25 17:40:23,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 937 transitions, 31673 flow, removed 108 selfloop flow, removed 6 redundant places. [2021-03-25 17:40:23,135 INFO L241 Difference]: Finished difference. Result has 403 places, 931 transitions, 30178 flow [2021-03-25 17:40:23,136 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} [2021-03-25 17:40:23,136 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 386 predicate places. [2021-03-25 17:40:23,136 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:23,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 931 transitions, 30178 flow [2021-03-25 17:40:23,136 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 931 transitions, 30178 flow [2021-03-25 17:40:23,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 402 places, 931 transitions, 30178 flow [2021-03-25 17:40:23,606 INFO L129 PetriNetUnfolder]: 822/1826 cut-off events. [2021-03-25 17:40:23,607 INFO L130 PetriNetUnfolder]: For 143764/143827 co-relation queries the response was YES. [2021-03-25 17:40:23,626 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. [2021-03-25 17:40:23,651 INFO L142 LiptonReduction]: Number of co-enabled transitions 1884 [2021-03-25 17:40:24,813 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-25 17:40:24,813 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 17:40:24,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1677 [2021-03-25 17:40:24,814 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 927 transitions, 30073 flow [2021-03-25 17:40:24,814 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) [2021-03-25 17:40:24,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:24,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:40:25,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-25 17:40:25,016 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:25,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:25,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1664542817, now seen corresponding path program 1 times [2021-03-25 17:40:25,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:25,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656577752] [2021-03-25 17:40:25,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:25,035 INFO L142 QuantifierPusher]: treesize reduction 203, result has 5.1 percent of original size [2021-03-25 17:40:25,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:25,040 INFO L142 QuantifierPusher]: treesize reduction 6, result has 95.3 percent of original size [2021-03-25 17:40:25,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-03-25 17:40:25,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:25,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:25,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:25,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656577752] [2021-03-25 17:40:25,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:40:25,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:40:25,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826528322] [2021-03-25 17:40:25,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:40:25,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:25,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:40:25,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:40:25,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 134 [2021-03-25 17:40:25,085 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) [2021-03-25 17:40:25,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:25,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 134 [2021-03-25 17:40:25,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:26,535 INFO L129 PetriNetUnfolder]: 820/1822 cut-off events. [2021-03-25 17:40:26,535 INFO L130 PetriNetUnfolder]: For 144844/147523 co-relation queries the response was YES. [2021-03-25 17:40:26,553 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. [2021-03-25 17:40:26,566 INFO L132 encePairwiseOnDemand]: 112/134 looper letters, 798 selfloop transitions, 124 changer transitions 5/930 dead transitions. [2021-03-25 17:40:26,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 930 transitions, 32063 flow [2021-03-25 17:40:26,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:40:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:40:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 87 transitions. [2021-03-25 17:40:26,567 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12985074626865672 [2021-03-25 17:40:26,567 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 87 transitions. [2021-03-25 17:40:26,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 87 transitions. [2021-03-25 17:40:26,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:26,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 87 transitions. [2021-03-25 17:40:26,567 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) [2021-03-25 17:40:26,568 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) [2021-03-25 17:40:26,568 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) [2021-03-25 17:40:26,568 INFO L185 Difference]: Start difference. First operand has 400 places, 927 transitions, 30073 flow. Second operand 5 states and 87 transitions. [2021-03-25 17:40:26,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 930 transitions, 32063 flow [2021-03-25 17:40:27,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 930 transitions, 31858 flow, removed 89 selfloop flow, removed 7 redundant places. [2021-03-25 17:40:27,247 INFO L241 Difference]: Finished difference. Result has 398 places, 924 transitions, 29990 flow [2021-03-25 17:40:27,248 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} [2021-03-25 17:40:27,248 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 381 predicate places. [2021-03-25 17:40:27,248 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:27,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 924 transitions, 29990 flow [2021-03-25 17:40:27,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 924 transitions, 29990 flow [2021-03-25 17:40:27,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 924 transitions, 29990 flow [2021-03-25 17:40:27,693 INFO L129 PetriNetUnfolder]: 819/1817 cut-off events. [2021-03-25 17:40:27,693 INFO L130 PetriNetUnfolder]: For 146023/146533 co-relation queries the response was YES. [2021-03-25 17:40:27,714 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. [2021-03-25 17:40:27,738 INFO L142 LiptonReduction]: Number of co-enabled transitions 1868 [2021-03-25 17:40:27,910 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:40:27,911 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:40:27,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 663 [2021-03-25 17:40:27,911 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 924 transitions, 29990 flow [2021-03-25 17:40:27,911 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) [2021-03-25 17:40:27,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:27,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:27,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-25 17:40:27,911 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:27,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:27,912 INFO L82 PathProgramCache]: Analyzing trace with hash -144328098, now seen corresponding path program 1 times [2021-03-25 17:40:27,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:27,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178652522] [2021-03-25 17:40:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:27,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:27,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:27,931 INFO L142 QuantifierPusher]: treesize reduction 102, result has 9.7 percent of original size [2021-03-25 17:40:27,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:27,937 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.3 percent of original size [2021-03-25 17:40:27,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:40:27,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:27,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:27,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178652522] [2021-03-25 17:40:27,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435698954] [2021-03-25 17:40:27,975 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 [2021-03-25 17:40:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:27,990 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:40:27,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:27,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:27,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:27,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:27,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:27,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:27,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:27,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:27,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:28,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:40:28,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:28,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:40:28,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:28,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:40:28,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:40:28,021 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 [2021-03-25 17:40:28,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:40:28,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:40:28,023 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:28,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:40:28,033 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:28,033 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:37 [2021-03-25 17:40:28,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:40:28,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:40:28,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:28,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:28,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:40:28,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:28,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:40:28,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:40:28,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:28,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:40:28,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:40:28,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:28,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:28,093 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 [2021-03-25 17:40:28,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:40:28,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:40:28,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:28,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:40:28,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:40:28,141 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. [2021-03-25 17:40:28,141 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:83 [2021-03-25 17:40:28,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:40:28,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:40:28,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:28,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:28,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:40:28,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:40:28,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:28,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:28,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:40:28,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460489137] [2021-03-25 17:40:28,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:40:28,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:28,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:40:28,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:40:28,174 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 134 [2021-03-25 17:40:28,174 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) [2021-03-25 17:40:28,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:28,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 134 [2021-03-25 17:40:28,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:29,468 INFO L129 PetriNetUnfolder]: 819/1819 cut-off events. [2021-03-25 17:40:29,468 INFO L130 PetriNetUnfolder]: For 147151/148750 co-relation queries the response was YES. [2021-03-25 17:40:29,486 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. [2021-03-25 17:40:29,500 INFO L132 encePairwiseOnDemand]: 107/134 looper letters, 775 selfloop transitions, 145 changer transitions 4/927 dead transitions. [2021-03-25 17:40:29,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 927 transitions, 31969 flow [2021-03-25 17:40:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:40:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:40:29,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2021-03-25 17:40:29,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09981343283582089 [2021-03-25 17:40:29,501 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 107 transitions. [2021-03-25 17:40:29,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 107 transitions. [2021-03-25 17:40:29,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:29,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 107 transitions. [2021-03-25 17:40:29,501 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) [2021-03-25 17:40:29,502 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) [2021-03-25 17:40:29,502 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) [2021-03-25 17:40:29,502 INFO L185 Difference]: Start difference. First operand has 395 places, 924 transitions, 29990 flow. Second operand 8 states and 107 transitions. [2021-03-25 17:40:29,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 927 transitions, 31969 flow [2021-03-25 17:40:30,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 927 transitions, 31598 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-25 17:40:30,197 INFO L241 Difference]: Finished difference. Result has 397 places, 922 transitions, 29830 flow [2021-03-25 17:40:30,198 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} [2021-03-25 17:40:30,198 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 380 predicate places. [2021-03-25 17:40:30,199 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:30,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 922 transitions, 29830 flow [2021-03-25 17:40:30,199 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 922 transitions, 29830 flow [2021-03-25 17:40:30,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 922 transitions, 29830 flow [2021-03-25 17:40:30,646 INFO L129 PetriNetUnfolder]: 818/1815 cut-off events. [2021-03-25 17:40:30,646 INFO L130 PetriNetUnfolder]: For 142437/142746 co-relation queries the response was YES. [2021-03-25 17:40:30,668 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. [2021-03-25 17:40:30,692 INFO L142 LiptonReduction]: Number of co-enabled transitions 1864 [2021-03-25 17:40:30,865 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:40:30,865 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:40:30,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 666 [2021-03-25 17:40:30,866 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 922 transitions, 29830 flow [2021-03-25 17:40:30,866 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) [2021-03-25 17:40:30,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:30,866 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:31,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:40:31,066 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:31,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:31,066 INFO L82 PathProgramCache]: Analyzing trace with hash -2015335434, now seen corresponding path program 1 times [2021-03-25 17:40:31,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:31,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670329054] [2021-03-25 17:40:31,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:31,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:31,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:31,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:31,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:31,087 INFO L142 QuantifierPusher]: treesize reduction 244, result has 2.0 percent of original size [2021-03-25 17:40:31,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:31,096 INFO L142 QuantifierPusher]: treesize reduction 251, result has 17.7 percent of original size [2021-03-25 17:40:31,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:40:31,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:31,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:31,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670329054] [2021-03-25 17:40:31,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:40:31,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:40:31,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78653452] [2021-03-25 17:40:31,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:40:31,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:31,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:40:31,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:40:31,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 134 [2021-03-25 17:40:31,113 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) [2021-03-25 17:40:31,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:31,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 134 [2021-03-25 17:40:31,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:32,162 INFO L129 PetriNetUnfolder]: 833/1848 cut-off events. [2021-03-25 17:40:32,162 INFO L130 PetriNetUnfolder]: For 147072/148735 co-relation queries the response was YES. [2021-03-25 17:40:32,182 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. [2021-03-25 17:40:32,199 INFO L132 encePairwiseOnDemand]: 110/134 looper letters, 789 selfloop transitions, 161 changer transitions 0/953 dead transitions. [2021-03-25 17:40:32,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 953 transitions, 32787 flow [2021-03-25 17:40:32,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:40:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:40:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 109 transitions. [2021-03-25 17:40:32,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10167910447761194 [2021-03-25 17:40:32,200 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 109 transitions. [2021-03-25 17:40:32,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 109 transitions. [2021-03-25 17:40:32,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:32,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 109 transitions. [2021-03-25 17:40:32,200 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) [2021-03-25 17:40:32,200 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) [2021-03-25 17:40:32,201 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) [2021-03-25 17:40:32,201 INFO L185 Difference]: Start difference. First operand has 394 places, 922 transitions, 29830 flow. Second operand 8 states and 109 transitions. [2021-03-25 17:40:32,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 953 transitions, 32787 flow [2021-03-25 17:40:32,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 953 transitions, 32491 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-25 17:40:32,829 INFO L241 Difference]: Finished difference. Result has 399 places, 941 transitions, 30701 flow [2021-03-25 17:40:32,830 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} [2021-03-25 17:40:32,830 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 382 predicate places. [2021-03-25 17:40:32,830 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:32,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 941 transitions, 30701 flow [2021-03-25 17:40:32,830 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 941 transitions, 30701 flow [2021-03-25 17:40:32,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 399 places, 941 transitions, 30701 flow [2021-03-25 17:40:33,272 INFO L129 PetriNetUnfolder]: 833/1848 cut-off events. [2021-03-25 17:40:33,273 INFO L130 PetriNetUnfolder]: For 147332/147388 co-relation queries the response was YES. [2021-03-25 17:40:33,292 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. [2021-03-25 17:40:33,316 INFO L142 LiptonReduction]: Number of co-enabled transitions 1902 [2021-03-25 17:40:33,714 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:40:33,714 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:40:33,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 885 [2021-03-25 17:40:33,715 INFO L480 AbstractCegarLoop]: Abstraction has has 399 places, 939 transitions, 30589 flow [2021-03-25 17:40:33,715 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) [2021-03-25 17:40:33,715 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:33,715 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:33,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-25 17:40:33,715 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:33,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:33,715 INFO L82 PathProgramCache]: Analyzing trace with hash 2107300996, now seen corresponding path program 1 times [2021-03-25 17:40:33,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:33,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947167100] [2021-03-25 17:40:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:33,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:33,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:33,741 INFO L142 QuantifierPusher]: treesize reduction 243, result has 4.3 percent of original size [2021-03-25 17:40:33,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:33,750 INFO L142 QuantifierPusher]: treesize reduction 251, result has 19.0 percent of original size [2021-03-25 17:40:33,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:40:33,768 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-03-25 17:40:33,769 INFO L147 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size 25 [2021-03-25 17:40:33,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:33,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947167100] [2021-03-25 17:40:33,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500011455] [2021-03-25 17:40:33,819 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 [2021-03-25 17:40:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:33,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:40:33,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,855 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:40:33,856 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:40:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:33,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:33,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:33,882 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 [2021-03-25 17:40:33,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:33,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:33,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:33,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:33,887 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:33,887 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:40:33,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:33,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:33,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:33,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:33,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:33,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:33,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:33,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:33,906 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size 72 [2021-03-25 17:40:33,907 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-03-25 17:40:33,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:33,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:33,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:33,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:40:33,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:33,950 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 [2021-03-25 17:40:33,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 17:40:33,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 17:40:33,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:33,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:40:33,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:33,973 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:89 [2021-03-25 17:40:33,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:40:33,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:33,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:40:34,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:34,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:40:34,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:40:34,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:34,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:40:34,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:34,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:34,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:40:34,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:34,015 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 [2021-03-25 17:40:34,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:40:34,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:40:34,018 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:34,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:40:34,037 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:34,038 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2021-03-25 17:40:34,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:40:34,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:34,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:40:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:34,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:34,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:40:34,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407201899] [2021-03-25 17:40:34,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:40:34,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:34,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:40:34,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:40:34,069 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 134 [2021-03-25 17:40:34,069 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) [2021-03-25 17:40:34,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:34,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 134 [2021-03-25 17:40:34,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:35,518 INFO L129 PetriNetUnfolder]: 840/1861 cut-off events. [2021-03-25 17:40:35,518 INFO L130 PetriNetUnfolder]: For 150436/152002 co-relation queries the response was YES. [2021-03-25 17:40:35,539 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. [2021-03-25 17:40:35,552 INFO L132 encePairwiseOnDemand]: 112/134 looper letters, 812 selfloop transitions, 143 changer transitions 1/959 dead transitions. [2021-03-25 17:40:35,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 959 transitions, 33423 flow [2021-03-25 17:40:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:40:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:40:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 145 transitions. [2021-03-25 17:40:35,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09017412935323384 [2021-03-25 17:40:35,554 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 145 transitions. [2021-03-25 17:40:35,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 145 transitions. [2021-03-25 17:40:35,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:35,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 145 transitions. [2021-03-25 17:40:35,554 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) [2021-03-25 17:40:35,555 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) [2021-03-25 17:40:35,555 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) [2021-03-25 17:40:35,555 INFO L185 Difference]: Start difference. First operand has 399 places, 939 transitions, 30589 flow. Second operand 12 states and 145 transitions. [2021-03-25 17:40:35,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 959 transitions, 33423 flow [2021-03-25 17:40:36,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 959 transitions, 33178 flow, removed 66 selfloop flow, removed 3 redundant places. [2021-03-25 17:40:36,257 INFO L241 Difference]: Finished difference. Result has 413 places, 957 transitions, 31537 flow [2021-03-25 17:40:36,257 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} [2021-03-25 17:40:36,258 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 396 predicate places. [2021-03-25 17:40:36,258 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:36,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 957 transitions, 31537 flow [2021-03-25 17:40:36,258 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 957 transitions, 31537 flow [2021-03-25 17:40:36,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 957 transitions, 31537 flow [2021-03-25 17:40:36,717 INFO L129 PetriNetUnfolder]: 840/1861 cut-off events. [2021-03-25 17:40:36,717 INFO L130 PetriNetUnfolder]: For 156640/156654 co-relation queries the response was YES. [2021-03-25 17:40:36,738 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. [2021-03-25 17:40:36,763 INFO L142 LiptonReduction]: Number of co-enabled transitions 1938 [2021-03-25 17:40:37,022 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 17:40:37,464 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-25 17:40:38,093 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:40:38,298 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-25 17:40:38,497 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-25 17:40:38,627 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-25 17:40:38,757 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:40:39,203 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 17:40:39,203 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 17:40:39,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2946 [2021-03-25 17:40:39,204 INFO L480 AbstractCegarLoop]: Abstraction has has 410 places, 953 transitions, 31533 flow [2021-03-25 17:40:39,204 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) [2021-03-25 17:40:39,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:39,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:39,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:40:39,408 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:39,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:39,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1258287313, now seen corresponding path program 1 times [2021-03-25 17:40:39,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:39,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971654735] [2021-03-25 17:40:39,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:39,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:39,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:39,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:39,423 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:40:39,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:40:39,427 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:40:39,427 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:40:39,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:39,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971654735] [2021-03-25 17:40:39,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292130826] [2021-03-25 17:40:39,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:40:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:39,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:40:39,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:39,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:39,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:39,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:39,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:39,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:39,510 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 [2021-03-25 17:40:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:39,511 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:39,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:39,516 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:39,516 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:40:39,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:39,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:40:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:40:39,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:40:39,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:40:39,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:39,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:40:39,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:40:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:39,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:40:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:40:39,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:39,538 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 [2021-03-25 17:40:39,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:39,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:39,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:39,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:40:39,548 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. [2021-03-25 17:40:39,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:40:39,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:40:39,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:39,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:39,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:39,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:40:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:39,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:39,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:40:39,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738154686] [2021-03-25 17:40:39,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:40:39,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:39,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:40:39,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:40:39,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 141 [2021-03-25 17:40:39,564 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) [2021-03-25 17:40:39,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:39,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 141 [2021-03-25 17:40:39,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:41,334 INFO L129 PetriNetUnfolder]: 902/2011 cut-off events. [2021-03-25 17:40:41,335 INFO L130 PetriNetUnfolder]: For 176313/176557 co-relation queries the response was YES. [2021-03-25 17:40:41,359 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. [2021-03-25 17:40:41,373 INFO L132 encePairwiseOnDemand]: 106/141 looper letters, 797 selfloop transitions, 243 changer transitions 17/1060 dead transitions. [2021-03-25 17:40:41,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 1060 transitions, 37781 flow [2021-03-25 17:40:41,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 17:40:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 17:40:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 181 transitions. [2021-03-25 17:40:41,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0916919959473151 [2021-03-25 17:40:41,374 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 181 transitions. [2021-03-25 17:40:41,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 181 transitions. [2021-03-25 17:40:41,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:41,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 181 transitions. [2021-03-25 17:40:41,374 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) [2021-03-25 17:40:41,375 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) [2021-03-25 17:40:41,376 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) [2021-03-25 17:40:41,376 INFO L185 Difference]: Start difference. First operand has 410 places, 953 transitions, 31533 flow. Second operand 14 states and 181 transitions. [2021-03-25 17:40:41,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 1060 transitions, 37781 flow [2021-03-25 17:40:42,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 1060 transitions, 37346 flow, removed 128 selfloop flow, removed 6 redundant places. [2021-03-25 17:40:42,181 INFO L241 Difference]: Finished difference. Result has 421 places, 998 transitions, 33459 flow [2021-03-25 17:40:42,182 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} [2021-03-25 17:40:42,182 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 404 predicate places. [2021-03-25 17:40:42,182 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:42,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 998 transitions, 33459 flow [2021-03-25 17:40:42,182 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 998 transitions, 33459 flow [2021-03-25 17:40:42,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 998 transitions, 33459 flow [2021-03-25 17:40:42,677 INFO L129 PetriNetUnfolder]: 895/1987 cut-off events. [2021-03-25 17:40:42,678 INFO L130 PetriNetUnfolder]: For 173507/173599 co-relation queries the response was YES. [2021-03-25 17:40:42,766 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. [2021-03-25 17:40:42,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 2020 [2021-03-25 17:40:42,997 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:40:42,997 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:40:42,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 815 [2021-03-25 17:40:42,998 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 998 transitions, 33459 flow [2021-03-25 17:40:42,998 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) [2021-03-25 17:40:42,998 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:42,998 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:40:43,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:40:43,198 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:43,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:43,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1664125278, now seen corresponding path program 1 times [2021-03-25 17:40:43,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:43,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998203579] [2021-03-25 17:40:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:43,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:43,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:43,219 INFO L142 QuantifierPusher]: treesize reduction 210, result has 48.0 percent of original size [2021-03-25 17:40:43,221 INFO L147 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size 146 [2021-03-25 17:40:43,350 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-25 17:40:43,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:43,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:43,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998203579] [2021-03-25 17:40:43,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:40:43,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:40:43,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883824504] [2021-03-25 17:40:43,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:40:43,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:43,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:40:43,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:40:43,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 141 [2021-03-25 17:40:43,361 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) [2021-03-25 17:40:43,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:43,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 141 [2021-03-25 17:40:43,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:44,741 INFO L129 PetriNetUnfolder]: 895/1989 cut-off events. [2021-03-25 17:40:44,741 INFO L130 PetriNetUnfolder]: For 173667/174166 co-relation queries the response was YES. [2021-03-25 17:40:44,764 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. [2021-03-25 17:40:44,778 INFO L132 encePairwiseOnDemand]: 118/141 looper letters, 862 selfloop transitions, 132 changer transitions 4/1001 dead transitions. [2021-03-25 17:40:44,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 1001 transitions, 35587 flow [2021-03-25 17:40:44,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:40:44,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:40:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 85 transitions. [2021-03-25 17:40:44,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12056737588652482 [2021-03-25 17:40:44,779 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 85 transitions. [2021-03-25 17:40:44,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 85 transitions. [2021-03-25 17:40:44,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:44,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 85 transitions. [2021-03-25 17:40:44,779 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) [2021-03-25 17:40:44,779 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) [2021-03-25 17:40:44,779 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) [2021-03-25 17:40:44,780 INFO L185 Difference]: Start difference. First operand has 417 places, 998 transitions, 33459 flow. Second operand 5 states and 85 transitions. [2021-03-25 17:40:44,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 1001 transitions, 35587 flow [2021-03-25 17:40:45,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1001 transitions, 35388 flow, removed 66 selfloop flow, removed 7 redundant places. [2021-03-25 17:40:45,636 INFO L241 Difference]: Finished difference. Result has 415 places, 996 transitions, 33434 flow [2021-03-25 17:40:45,637 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} [2021-03-25 17:40:45,637 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 398 predicate places. [2021-03-25 17:40:45,637 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:45,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 996 transitions, 33434 flow [2021-03-25 17:40:45,637 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 996 transitions, 33434 flow [2021-03-25 17:40:45,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 996 transitions, 33434 flow [2021-03-25 17:40:46,209 INFO L129 PetriNetUnfolder]: 894/1985 cut-off events. [2021-03-25 17:40:46,209 INFO L130 PetriNetUnfolder]: For 174844/174930 co-relation queries the response was YES. [2021-03-25 17:40:46,230 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. [2021-03-25 17:40:46,258 INFO L142 LiptonReduction]: Number of co-enabled transitions 2014 [2021-03-25 17:40:46,443 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:40:46,443 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:40:46,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 806 [2021-03-25 17:40:46,443 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 996 transitions, 33434 flow [2021-03-25 17:40:46,444 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) [2021-03-25 17:40:46,444 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:46,444 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:46,444 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-25 17:40:46,444 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:46,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:46,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1609423976, now seen corresponding path program 1 times [2021-03-25 17:40:46,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:46,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181321731] [2021-03-25 17:40:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:46,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:46,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:46,464 INFO L142 QuantifierPusher]: treesize reduction 205, result has 36.5 percent of original size [2021-03-25 17:40:46,465 INFO L147 QuantifierPusher]: treesize reduction 47, result has 60.2 percent of original size 71 [2021-03-25 17:40:46,547 INFO L142 QuantifierPusher]: treesize reduction 206, result has 47.7 percent of original size [2021-03-25 17:40:46,548 INFO L147 QuantifierPusher]: treesize reduction 54, result has 71.3 percent of original size 134 [2021-03-25 17:40:46,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:46,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181321731] [2021-03-25 17:40:46,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989204473] [2021-03-25 17:40:46,648 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 [2021-03-25 17:40:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:46,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:40:46,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:46,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:46,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:46,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:46,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:46,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:46,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:46,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:46,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:46,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:46,705 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 [2021-03-25 17:40:46,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:46,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:46,706 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:46,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:46,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:46,711 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:40:46,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:46,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:46,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:46,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:46,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:46,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:46,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 17:40:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:40:46,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 17:40:46,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:40:46,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:40:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:40:46,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:40:46,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:40:46,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 17:40:46,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:40:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:46,786 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 [2021-03-25 17:40:46,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-25 17:40:46,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-25 17:40:46,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:46,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-25 17:40:46,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:40:46,813 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. [2021-03-25 17:40:46,813 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:73, output treesize:94 [2021-03-25 17:40:46,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-25 17:40:46,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:40:46,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:46,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:46,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-25 17:40:46,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:40:46,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:46,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:40:46,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:40:46,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076256069] [2021-03-25 17:40:46,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:40:46,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:46,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:40:46,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:40:46,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 141 [2021-03-25 17:40:46,835 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) [2021-03-25 17:40:46,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:46,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 141 [2021-03-25 17:40:46,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:48,220 INFO L129 PetriNetUnfolder]: 895/1987 cut-off events. [2021-03-25 17:40:48,220 INFO L130 PetriNetUnfolder]: For 179101/182602 co-relation queries the response was YES. [2021-03-25 17:40:48,247 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. [2021-03-25 17:40:48,264 INFO L132 encePairwiseOnDemand]: 121/141 looper letters, 964 selfloop transitions, 32 changer transitions 0/999 dead transitions. [2021-03-25 17:40:48,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 999 transitions, 35590 flow [2021-03-25 17:40:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:40:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:40:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 100 transitions. [2021-03-25 17:40:48,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10131712259371833 [2021-03-25 17:40:48,265 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 100 transitions. [2021-03-25 17:40:48,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 100 transitions. [2021-03-25 17:40:48,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:48,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 100 transitions. [2021-03-25 17:40:48,266 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) [2021-03-25 17:40:48,266 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) [2021-03-25 17:40:48,266 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) [2021-03-25 17:40:48,266 INFO L185 Difference]: Start difference. First operand has 413 places, 996 transitions, 33434 flow. Second operand 7 states and 100 transitions. [2021-03-25 17:40:48,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 999 transitions, 35590 flow [2021-03-25 17:40:49,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 999 transitions, 35207 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-25 17:40:49,097 INFO L241 Difference]: Finished difference. Result has 415 places, 998 transitions, 33230 flow [2021-03-25 17:40:49,098 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} [2021-03-25 17:40:49,098 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 398 predicate places. [2021-03-25 17:40:49,098 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:49,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 998 transitions, 33230 flow [2021-03-25 17:40:49,098 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 998 transitions, 33230 flow [2021-03-25 17:40:49,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 415 places, 998 transitions, 33230 flow [2021-03-25 17:40:49,576 INFO L129 PetriNetUnfolder]: 895/1987 cut-off events. [2021-03-25 17:40:49,576 INFO L130 PetriNetUnfolder]: For 173084/173256 co-relation queries the response was YES. [2021-03-25 17:40:49,598 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. [2021-03-25 17:40:49,624 INFO L142 LiptonReduction]: Number of co-enabled transitions 2018 [2021-03-25 17:40:50,069 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:40:50,069 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:40:50,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 971 [2021-03-25 17:40:50,070 INFO L480 AbstractCegarLoop]: Abstraction has has 415 places, 997 transitions, 33175 flow [2021-03-25 17:40:50,070 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) [2021-03-25 17:40:50,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:50,070 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:50,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:40:50,270 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:50,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:50,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1647464096, now seen corresponding path program 1 times [2021-03-25 17:40:50,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:50,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171861789] [2021-03-25 17:40:50,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:50,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:50,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:50,300 INFO L142 QuantifierPusher]: treesize reduction 205, result has 37.5 percent of original size [2021-03-25 17:40:50,301 INFO L147 QuantifierPusher]: treesize reduction 47, result has 61.8 percent of original size 76 [2021-03-25 17:40:50,389 INFO L142 QuantifierPusher]: treesize reduction 220, result has 44.9 percent of original size [2021-03-25 17:40:50,400 INFO L147 QuantifierPusher]: treesize reduction 40, result has 77.7 percent of original size 139 [2021-03-25 17:40:50,495 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:40:50,496 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:40:50,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:50,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171861789] [2021-03-25 17:40:50,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108519526] [2021-03-25 17:40:50,518 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 [2021-03-25 17:40:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:50,530 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:40:50,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:50,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,543 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:40:50,543 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:40:50,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,553 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:40:50,553 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:40:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:50,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:50,569 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 [2021-03-25 17:40:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:50,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:50,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:50,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:50,574 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:40:50,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:50,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:50,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:50,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:50,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:50,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:40:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:40:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:40:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:40:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:40:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:40:50,596 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 [2021-03-25 17:40:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:40:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:40:50,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:50,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:50,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:50,629 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:72 [2021-03-25 17:40:50,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:50,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:50,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:50,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:40:50,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:40:50,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:40:50,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:40:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:50,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:40:50,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 17:40:50,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:40:50,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:40:50,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:50,704 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 [2021-03-25 17:40:50,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:40:50,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:40:50,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:50,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:50,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:40:50,738 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. [2021-03-25 17:40:50,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:78, output treesize:77 [2021-03-25 17:40:50,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:40:50,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:50,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:50,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:50,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:40:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:50,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:50,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:40:50,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720220160] [2021-03-25 17:40:50,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:40:50,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:50,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:40:50,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:40:50,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 141 [2021-03-25 17:40:50,794 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) [2021-03-25 17:40:50,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:50,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 141 [2021-03-25 17:40:50,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:52,902 INFO L129 PetriNetUnfolder]: 907/2017 cut-off events. [2021-03-25 17:40:52,903 INFO L130 PetriNetUnfolder]: For 179045/180182 co-relation queries the response was YES. [2021-03-25 17:40:52,922 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. [2021-03-25 17:40:52,937 INFO L132 encePairwiseOnDemand]: 112/141 looper letters, 822 selfloop transitions, 195 changer transitions 9/1029 dead transitions. [2021-03-25 17:40:52,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 1029 transitions, 36677 flow [2021-03-25 17:40:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:40:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:40:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 148 transitions. [2021-03-25 17:40:52,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08747044917257683 [2021-03-25 17:40:52,939 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 148 transitions. [2021-03-25 17:40:52,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 148 transitions. [2021-03-25 17:40:52,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:52,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 148 transitions. [2021-03-25 17:40:52,939 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) [2021-03-25 17:40:52,940 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) [2021-03-25 17:40:52,940 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) [2021-03-25 17:40:52,941 INFO L185 Difference]: Start difference. First operand has 415 places, 997 transitions, 33175 flow. Second operand 12 states and 148 transitions. [2021-03-25 17:40:52,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 1029 transitions, 36677 flow [2021-03-25 17:40:53,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 1029 transitions, 36490 flow, removed 56 selfloop flow, removed 6 redundant places. [2021-03-25 17:40:53,713 INFO L241 Difference]: Finished difference. Result has 426 places, 1009 transitions, 34074 flow [2021-03-25 17:40:53,714 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} [2021-03-25 17:40:53,714 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 409 predicate places. [2021-03-25 17:40:53,714 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:53,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 1009 transitions, 34074 flow [2021-03-25 17:40:53,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 1009 transitions, 34074 flow [2021-03-25 17:40:53,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 1009 transitions, 34074 flow [2021-03-25 17:40:54,301 INFO L129 PetriNetUnfolder]: 905/2008 cut-off events. [2021-03-25 17:40:54,301 INFO L130 PetriNetUnfolder]: For 183742/183855 co-relation queries the response was YES. [2021-03-25 17:40:54,324 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. [2021-03-25 17:40:54,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 2042 [2021-03-25 17:40:54,685 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-25 17:40:54,931 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:40:55,220 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:40:55,645 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:40:55,645 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:40:55,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1931 [2021-03-25 17:40:55,646 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 1008 transitions, 34152 flow [2021-03-25 17:40:55,646 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) [2021-03-25 17:40:55,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:55,646 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:55,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-03-25 17:40:55,846 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:55,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:55,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1263828439, now seen corresponding path program 1 times [2021-03-25 17:40:55,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:55,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362812065] [2021-03-25 17:40:55,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:55,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:55,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:55,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:55,868 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:40:55,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:40:55,874 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:40:55,874 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:40:55,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:55,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362812065] [2021-03-25 17:40:55,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009719130] [2021-03-25 17:40:55,897 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 [2021-03-25 17:40:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:55,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:40:55,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:55,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:55,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:55,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:55,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:55,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:55,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:55,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:55,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:55,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:55,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:55,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:55,976 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 [2021-03-25 17:40:55,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:55,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:55,977 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:55,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:55,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:40:55,982 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:40:55,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:55,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:55,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:40:55,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:40:55,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:40:55,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:40:55,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:55,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:55,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:56,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:40:56,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:56,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:56,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:56,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:40:56,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:40:56,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:56,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:40:56,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:40:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:40:56,008 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 [2021-03-25 17:40:56,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:56,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:40:56,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:40:56,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:56,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:56,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:40:56,017 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. [2021-03-25 17:40:56,017 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:40:56,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:56,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:56,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:40:56,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:56,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:56,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:56,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:40:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:56,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:40:56,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:40:56,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143030771] [2021-03-25 17:40:56,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:40:56,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:40:56,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:40:56,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:40:56,031 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 144 [2021-03-25 17:40:56,031 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) [2021-03-25 17:40:56,031 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:40:56,031 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 144 [2021-03-25 17:40:56,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:40:57,834 INFO L129 PetriNetUnfolder]: 916/2038 cut-off events. [2021-03-25 17:40:57,835 INFO L130 PetriNetUnfolder]: For 189409/190086 co-relation queries the response was YES. [2021-03-25 17:40:57,858 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. [2021-03-25 17:40:57,873 INFO L132 encePairwiseOnDemand]: 110/144 looper letters, 760 selfloop transitions, 295 changer transitions 16/1074 dead transitions. [2021-03-25 17:40:57,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 1074 transitions, 38923 flow [2021-03-25 17:40:57,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 17:40:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 17:40:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2021-03-25 17:40:57,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08703703703703704 [2021-03-25 17:40:57,874 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 188 transitions. [2021-03-25 17:40:57,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 188 transitions. [2021-03-25 17:40:57,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:40:57,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 188 transitions. [2021-03-25 17:40:57,875 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) [2021-03-25 17:40:57,875 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) [2021-03-25 17:40:57,876 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) [2021-03-25 17:40:57,876 INFO L185 Difference]: Start difference. First operand has 421 places, 1008 transitions, 34152 flow. Second operand 15 states and 188 transitions. [2021-03-25 17:40:57,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 1074 transitions, 38923 flow [2021-03-25 17:40:58,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 1074 transitions, 38625 flow, removed 74 selfloop flow, removed 7 redundant places. [2021-03-25 17:40:58,698 INFO L241 Difference]: Finished difference. Result has 431 places, 1022 transitions, 35281 flow [2021-03-25 17:40:58,698 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} [2021-03-25 17:40:58,699 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 414 predicate places. [2021-03-25 17:40:58,699 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:40:58,699 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 431 places, 1022 transitions, 35281 flow [2021-03-25 17:40:58,699 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 431 places, 1022 transitions, 35281 flow [2021-03-25 17:40:58,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 1022 transitions, 35281 flow [2021-03-25 17:40:59,234 INFO L129 PetriNetUnfolder]: 909/2015 cut-off events. [2021-03-25 17:40:59,234 INFO L130 PetriNetUnfolder]: For 187412/187710 co-relation queries the response was YES. [2021-03-25 17:40:59,264 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. [2021-03-25 17:40:59,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 2068 [2021-03-25 17:40:59,540 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:40:59,541 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:40:59,541 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 842 [2021-03-25 17:40:59,541 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 1022 transitions, 35281 flow [2021-03-25 17:40:59,541 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) [2021-03-25 17:40:59,541 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:40:59,541 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:40:59,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:40:59,742 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:40:59,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:40:59,742 INFO L82 PathProgramCache]: Analyzing trace with hash -526947868, now seen corresponding path program 1 times [2021-03-25 17:40:59,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:40:59,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781165004] [2021-03-25 17:40:59,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:40:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:59,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:59,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:59,761 INFO L142 QuantifierPusher]: treesize reduction 234, result has 33.3 percent of original size [2021-03-25 17:40:59,762 INFO L147 QuantifierPusher]: treesize reduction 40, result has 65.8 percent of original size 77 [2021-03-25 17:40:59,841 INFO L142 QuantifierPusher]: treesize reduction 243, result has 43.1 percent of original size [2021-03-25 17:40:59,842 INFO L147 QuantifierPusher]: treesize reduction 39, result has 78.8 percent of original size 145 [2021-03-25 17:40:59,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:40:59,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781165004] [2021-03-25 17:40:59,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185544768] [2021-03-25 17:40:59,929 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 [2021-03-25 17:40:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:40:59,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:40:59,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:40:59,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:59,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:59,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:59,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:59,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:59,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:59,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:59,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:59,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:59,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:59,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:40:59,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:59,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:40:59,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:59,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:59,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:59,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:59,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:59,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:40:59,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:40:59,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:40:59,995 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 [2021-03-25 17:40:59,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:59,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:40:59,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:40:59,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:00,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:00,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:00,000 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:00,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:00,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:00,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:41:00,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:41:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:00,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 17:41:00,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:41:00,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:41:00,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 17:41:00,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:41:00,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:00,082 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 [2021-03-25 17:41:00,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:41:00,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:41:00,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:00,108 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:41:00,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-25 17:41:00,110 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. [2021-03-25 17:41:00,110 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:78, output treesize:101 [2021-03-25 17:41:00,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:41:00,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-25 17:41:00,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:00,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:00,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:41:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-25 17:41:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:00,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:41:00,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:41:00,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463992706] [2021-03-25 17:41:00,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:41:00,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:00,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:41:00,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:41:00,134 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 144 [2021-03-25 17:41:00,134 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) [2021-03-25 17:41:00,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:00,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 144 [2021-03-25 17:41:00,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:01,438 INFO L129 PetriNetUnfolder]: 910/2017 cut-off events. [2021-03-25 17:41:01,438 INFO L130 PetriNetUnfolder]: For 189182/189961 co-relation queries the response was YES. [2021-03-25 17:41:01,463 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. [2021-03-25 17:41:01,480 INFO L132 encePairwiseOnDemand]: 123/144 looper letters, 988 selfloop transitions, 34 changer transitions 0/1025 dead transitions. [2021-03-25 17:41:01,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 1025 transitions, 37493 flow [2021-03-25 17:41:01,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:41:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:41:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 102 transitions. [2021-03-25 17:41:01,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10119047619047619 [2021-03-25 17:41:01,481 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 102 transitions. [2021-03-25 17:41:01,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 102 transitions. [2021-03-25 17:41:01,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:01,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 102 transitions. [2021-03-25 17:41:01,481 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) [2021-03-25 17:41:01,482 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) [2021-03-25 17:41:01,482 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) [2021-03-25 17:41:01,482 INFO L185 Difference]: Start difference. First operand has 428 places, 1022 transitions, 35281 flow. Second operand 7 states and 102 transitions. [2021-03-25 17:41:01,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 1025 transitions, 37493 flow [2021-03-25 17:41:02,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 1025 transitions, 37324 flow, removed 69 selfloop flow, removed 5 redundant places. [2021-03-25 17:41:02,364 INFO L241 Difference]: Finished difference. Result has 430 places, 1024 transitions, 35295 flow [2021-03-25 17:41:02,364 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} [2021-03-25 17:41:02,364 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 413 predicate places. [2021-03-25 17:41:02,364 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:02,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 1024 transitions, 35295 flow [2021-03-25 17:41:02,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 1024 transitions, 35295 flow [2021-03-25 17:41:02,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 430 places, 1024 transitions, 35295 flow [2021-03-25 17:41:02,879 INFO L129 PetriNetUnfolder]: 910/2017 cut-off events. [2021-03-25 17:41:02,880 INFO L130 PetriNetUnfolder]: For 189689/189761 co-relation queries the response was YES. [2021-03-25 17:41:02,906 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. [2021-03-25 17:41:02,933 INFO L142 LiptonReduction]: Number of co-enabled transitions 2072 [2021-03-25 17:41:03,511 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:41:03,511 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:41:03,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1147 [2021-03-25 17:41:03,512 INFO L480 AbstractCegarLoop]: Abstraction has has 430 places, 1023 transitions, 35240 flow [2021-03-25 17:41:03,512 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) [2021-03-25 17:41:03,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:03,512 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:03,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-25 17:41:03,717 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:03,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:03,717 INFO L82 PathProgramCache]: Analyzing trace with hash -729939924, now seen corresponding path program 1 times [2021-03-25 17:41:03,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:03,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540949511] [2021-03-25 17:41:03,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:03,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:03,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:03,762 INFO L142 QuantifierPusher]: treesize reduction 248, result has 30.3 percent of original size [2021-03-25 17:41:03,763 INFO L147 QuantifierPusher]: treesize reduction 26, result has 75.9 percent of original size 82 [2021-03-25 17:41:03,829 INFO L142 QuantifierPusher]: treesize reduction 236, result has 45.4 percent of original size [2021-03-25 17:41:03,830 INFO L147 QuantifierPusher]: treesize reduction 46, result has 76.5 percent of original size 150 [2021-03-25 17:41:03,928 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:41:03,928 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:41:03,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:03,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540949511] [2021-03-25 17:41:03,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145689141] [2021-03-25 17:41:03,951 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 [2021-03-25 17:41:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:03,970 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:41:03,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:03,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,982 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:41:03,983 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:41:03,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:03,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:03,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:04,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:04,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:04,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:04,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:04,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:04,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:04,009 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 [2021-03-25 17:41:04,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:04,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:04,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:04,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:04,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:04,014 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:04,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:04,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:04,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:04,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:04,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:04,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:04,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:41:04,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:41:04,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:41:04,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:41:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:41:04,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:41:04,036 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 [2021-03-25 17:41:04,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:41:04,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:41:04,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:04,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:41:04,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:04,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:77 [2021-03-25 17:41:04,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:41:04,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:41:04,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:41:04,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:04,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:04,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:04,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:41:04,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:04,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:41:04,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 17:41:04,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:04,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:04,127 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 [2021-03-25 17:41:04,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 17:41:04,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 17:41:04,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:04,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:04,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 17:41:04,159 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. [2021-03-25 17:41:04,159 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:82 [2021-03-25 17:41:04,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:04,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 17:41:04,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:04,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:04,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:04,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 17:41:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:04,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:04,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:41:04,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084491759] [2021-03-25 17:41:04,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:41:04,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:04,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:41:04,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:41:04,202 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 144 [2021-03-25 17:41:04,202 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) [2021-03-25 17:41:04,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:04,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 144 [2021-03-25 17:41:04,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:06,063 INFO L129 PetriNetUnfolder]: 922/2047 cut-off events. [2021-03-25 17:41:06,063 INFO L130 PetriNetUnfolder]: For 193434/193702 co-relation queries the response was YES. [2021-03-25 17:41:06,086 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. [2021-03-25 17:41:06,102 INFO L132 encePairwiseOnDemand]: 113/144 looper letters, 834 selfloop transitions, 209 changer transitions 9/1055 dead transitions. [2021-03-25 17:41:06,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 1055 transitions, 38840 flow [2021-03-25 17:41:06,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:41:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:41:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2021-03-25 17:41:06,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08680555555555555 [2021-03-25 17:41:06,103 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 150 transitions. [2021-03-25 17:41:06,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 150 transitions. [2021-03-25 17:41:06,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:06,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 150 transitions. [2021-03-25 17:41:06,104 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) [2021-03-25 17:41:06,105 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) [2021-03-25 17:41:06,105 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) [2021-03-25 17:41:06,105 INFO L185 Difference]: Start difference. First operand has 430 places, 1023 transitions, 35240 flow. Second operand 12 states and 150 transitions. [2021-03-25 17:41:06,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 1055 transitions, 38840 flow [2021-03-25 17:41:06,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 1055 transitions, 38652 flow, removed 56 selfloop flow, removed 6 redundant places. [2021-03-25 17:41:06,959 INFO L241 Difference]: Finished difference. Result has 441 places, 1035 transitions, 36207 flow [2021-03-25 17:41:06,960 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} [2021-03-25 17:41:06,960 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 424 predicate places. [2021-03-25 17:41:06,960 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:06,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 1035 transitions, 36207 flow [2021-03-25 17:41:06,960 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 1035 transitions, 36207 flow [2021-03-25 17:41:06,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 1035 transitions, 36207 flow [2021-03-25 17:41:07,514 INFO L129 PetriNetUnfolder]: 920/2038 cut-off events. [2021-03-25 17:41:07,514 INFO L130 PetriNetUnfolder]: For 200987/201121 co-relation queries the response was YES. [2021-03-25 17:41:07,538 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. [2021-03-25 17:41:07,568 INFO L142 LiptonReduction]: Number of co-enabled transitions 2096 [2021-03-25 17:41:07,849 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:41:08,042 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:41:08,296 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-25 17:41:08,426 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:41:08,636 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-25 17:41:08,772 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:41:09,207 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:41:09,207 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:41:09,207 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2247 [2021-03-25 17:41:09,207 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 1034 transitions, 36287 flow [2021-03-25 17:41:09,207 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) [2021-03-25 17:41:09,207 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:09,208 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:09,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:41:09,408 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:09,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1261289514, now seen corresponding path program 1 times [2021-03-25 17:41:09,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:09,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128696676] [2021-03-25 17:41:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:09,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:09,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:09,424 INFO L142 QuantifierPusher]: treesize reduction 91, result has 31.1 percent of original size [2021-03-25 17:41:09,425 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size 34 [2021-03-25 17:41:09,448 INFO L142 QuantifierPusher]: treesize reduction 92, result has 45.2 percent of original size [2021-03-25 17:41:09,449 INFO L147 QuantifierPusher]: treesize reduction 14, result has 81.6 percent of original size 62 [2021-03-25 17:41:09,480 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:41:09,480 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:41:09,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:09,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128696676] [2021-03-25 17:41:09,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768368259] [2021-03-25 17:41:09,499 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 [2021-03-25 17:41:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:09,511 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:41:09,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:09,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:09,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:09,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:09,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:09,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:09,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:09,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:09,553 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 [2021-03-25 17:41:09,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:09,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:09,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:09,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:09,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:09,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:09,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:09,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:09,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:41:09,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:41:09,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:41:09,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:41:09,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:41:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:41:09,585 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 [2021-03-25 17:41:09,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:41:09,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:41:09,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:09,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:41:09,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:09,601 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:37 [2021-03-25 17:41:09,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:41:09,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:41:09,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:41:09,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:41:09,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:41:09,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:41:09,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:41:09,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:09,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:41:09,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:41:09,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:41:09,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:41:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:09,646 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 [2021-03-25 17:41:09,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:41:09,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:41:09,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:09,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:09,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:41:09,664 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. [2021-03-25 17:41:09,664 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:42 [2021-03-25 17:41:09,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:09,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:41:09,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:09,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:09,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:09,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:41:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:09,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:09,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:41:09,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993348368] [2021-03-25 17:41:09,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:41:09,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:09,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:41:09,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:41:09,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 147 [2021-03-25 17:41:09,695 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) [2021-03-25 17:41:09,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:09,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 147 [2021-03-25 17:41:09,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:11,574 INFO L129 PetriNetUnfolder]: 935/2078 cut-off events. [2021-03-25 17:41:11,574 INFO L130 PetriNetUnfolder]: For 207012/208221 co-relation queries the response was YES. [2021-03-25 17:41:11,599 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. [2021-03-25 17:41:11,614 INFO L132 encePairwiseOnDemand]: 108/147 looper letters, 815 selfloop transitions, 232 changer transitions 26/1076 dead transitions. [2021-03-25 17:41:11,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 1076 transitions, 40442 flow [2021-03-25 17:41:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:41:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:41:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 152 transitions. [2021-03-25 17:41:11,616 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08616780045351474 [2021-03-25 17:41:11,616 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 152 transitions. [2021-03-25 17:41:11,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 152 transitions. [2021-03-25 17:41:11,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:11,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 152 transitions. [2021-03-25 17:41:11,616 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) [2021-03-25 17:41:11,617 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) [2021-03-25 17:41:11,617 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) [2021-03-25 17:41:11,617 INFO L185 Difference]: Start difference. First operand has 436 places, 1034 transitions, 36287 flow. Second operand 12 states and 152 transitions. [2021-03-25 17:41:11,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 1076 transitions, 40442 flow [2021-03-25 17:41:12,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 1076 transitions, 40141 flow, removed 72 selfloop flow, removed 7 redundant places. [2021-03-25 17:41:12,571 INFO L241 Difference]: Finished difference. Result has 444 places, 1034 transitions, 36618 flow [2021-03-25 17:41:12,571 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} [2021-03-25 17:41:12,571 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 427 predicate places. [2021-03-25 17:41:12,571 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:12,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 444 places, 1034 transitions, 36618 flow [2021-03-25 17:41:12,572 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 444 places, 1034 transitions, 36618 flow [2021-03-25 17:41:12,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 1034 transitions, 36618 flow [2021-03-25 17:41:13,102 INFO L129 PetriNetUnfolder]: 927/2049 cut-off events. [2021-03-25 17:41:13,102 INFO L130 PetriNetUnfolder]: For 205499/205573 co-relation queries the response was YES. [2021-03-25 17:41:13,126 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. [2021-03-25 17:41:13,154 INFO L142 LiptonReduction]: Number of co-enabled transitions 2094 [2021-03-25 17:41:13,400 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:41:13,400 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:41:13,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 829 [2021-03-25 17:41:13,401 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 1034 transitions, 36618 flow [2021-03-25 17:41:13,401 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) [2021-03-25 17:41:13,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:13,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:13,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:41:13,602 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:13,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:13,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1323132218, now seen corresponding path program 1 times [2021-03-25 17:41:13,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:13,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579092739] [2021-03-25 17:41:13,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:13,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:13,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:13,623 INFO L142 QuantifierPusher]: treesize reduction 261, result has 31.1 percent of original size [2021-03-25 17:41:13,624 INFO L147 QuantifierPusher]: treesize reduction 35, result has 70.3 percent of original size 83 [2021-03-25 17:41:13,730 INFO L142 QuantifierPusher]: treesize reduction 256, result has 44.3 percent of original size [2021-03-25 17:41:13,731 INFO L147 QuantifierPusher]: treesize reduction 48, result has 76.5 percent of original size 156 [2021-03-25 17:41:13,859 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-03-25 17:41:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:13,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579092739] [2021-03-25 17:41:13,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771149749] [2021-03-25 17:41:13,870 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 [2021-03-25 17:41:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:13,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:41:13,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:13,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:13,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:13,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:13,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:13,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:13,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:13,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:13,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:13,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:13,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:13,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:13,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:13,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:13,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:13,941 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 [2021-03-25 17:41:13,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:13,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:13,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:13,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:13,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:13,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:13,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:13,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:13,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:13,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:13,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:13,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:13,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:13,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:13,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:13,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:13,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:41:13,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 17:41:13,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:41:13,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 17:41:13,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:13,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:13,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:13,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:13,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:13,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:14,046 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 [2021-03-25 17:41:14,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:41:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:41:14,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:14,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:14,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:41:14,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:41:14,089 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. [2021-03-25 17:41:14,089 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:108 [2021-03-25 17:41:14,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:14,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:41:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:41:14,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:14,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:14,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:41:14,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:41:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:14,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:41:14,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:41:14,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286332377] [2021-03-25 17:41:14,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:41:14,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:14,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:41:14,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:41:14,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 147 [2021-03-25 17:41:14,124 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) [2021-03-25 17:41:14,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:14,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 147 [2021-03-25 17:41:14,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:15,483 INFO L129 PetriNetUnfolder]: 928/2051 cut-off events. [2021-03-25 17:41:15,483 INFO L130 PetriNetUnfolder]: For 208249/208786 co-relation queries the response was YES. [2021-03-25 17:41:15,508 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. [2021-03-25 17:41:15,523 INFO L132 encePairwiseOnDemand]: 125/147 looper letters, 998 selfloop transitions, 36 changer transitions 0/1037 dead transitions. [2021-03-25 17:41:15,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1037 transitions, 38860 flow [2021-03-25 17:41:15,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:41:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:41:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 104 transitions. [2021-03-25 17:41:15,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1010689990281827 [2021-03-25 17:41:15,524 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 104 transitions. [2021-03-25 17:41:15,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 104 transitions. [2021-03-25 17:41:15,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:15,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 104 transitions. [2021-03-25 17:41:15,524 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) [2021-03-25 17:41:15,525 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) [2021-03-25 17:41:15,525 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) [2021-03-25 17:41:15,525 INFO L185 Difference]: Start difference. First operand has 438 places, 1034 transitions, 36618 flow. Second operand 7 states and 104 transitions. [2021-03-25 17:41:15,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1037 transitions, 38860 flow [2021-03-25 17:41:16,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 1037 transitions, 37933 flow, removed 45 selfloop flow, removed 10 redundant places. [2021-03-25 17:41:16,454 INFO L241 Difference]: Finished difference. Result has 435 places, 1036 transitions, 35882 flow [2021-03-25 17:41:16,455 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} [2021-03-25 17:41:16,455 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 418 predicate places. [2021-03-25 17:41:16,455 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:16,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 1036 transitions, 35882 flow [2021-03-25 17:41:16,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 1036 transitions, 35882 flow [2021-03-25 17:41:16,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 435 places, 1036 transitions, 35882 flow [2021-03-25 17:41:16,993 INFO L129 PetriNetUnfolder]: 928/2051 cut-off events. [2021-03-25 17:41:16,993 INFO L130 PetriNetUnfolder]: For 196376/196411 co-relation queries the response was YES. [2021-03-25 17:41:17,021 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. [2021-03-25 17:41:17,050 INFO L142 LiptonReduction]: Number of co-enabled transitions 2098 [2021-03-25 17:41:17,658 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:41:17,659 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:41:17,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1204 [2021-03-25 17:41:17,659 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 1035 transitions, 35830 flow [2021-03-25 17:41:17,659 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) [2021-03-25 17:41:17,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:17,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:17,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:41:17,860 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:17,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:17,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2117823935, now seen corresponding path program 1 times [2021-03-25 17:41:17,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:17,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866290071] [2021-03-25 17:41:17,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:17,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:17,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:17,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:17,877 INFO L142 QuantifierPusher]: treesize reduction 86, result has 33.3 percent of original size [2021-03-25 17:41:17,878 INFO L147 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size 29 [2021-03-25 17:41:17,911 INFO L142 QuantifierPusher]: treesize reduction 81, result has 50.3 percent of original size [2021-03-25 17:41:17,911 INFO L147 QuantifierPusher]: treesize reduction 25, result has 69.5 percent of original size 57 [2021-03-25 17:41:17,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:17,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866290071] [2021-03-25 17:41:17,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862589411] [2021-03-25 17:41:17,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:41:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:17,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:41:17,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:17,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:17,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:17,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:17,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:17,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:17,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:17,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:17,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:17,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:17,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:17,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:17,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:17,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:18,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:18,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:18,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:18,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:18,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:18,024 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 [2021-03-25 17:41:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:18,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:18,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:18,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:18,029 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:18,029 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:18,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:18,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:18,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:18,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:41:18,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:18,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:41:18,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:41:18,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 17:41:18,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:41:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:41:18,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:18,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:41:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:18,066 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 [2021-03-25 17:41:18,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:41:18,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:41:18,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:18,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:41:18,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:41:18,084 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. [2021-03-25 17:41:18,084 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:45 [2021-03-25 17:41:18,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:41:18,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:41:18,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:18,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:18,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:41:18,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:41:18,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:18,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:18,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:41:18,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915722331] [2021-03-25 17:41:18,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:41:18,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:18,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:41:18,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:41:18,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 147 [2021-03-25 17:41:18,108 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) [2021-03-25 17:41:18,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:18,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 147 [2021-03-25 17:41:18,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:20,188 INFO L129 PetriNetUnfolder]: 946/2098 cut-off events. [2021-03-25 17:41:20,188 INFO L130 PetriNetUnfolder]: For 203704/204533 co-relation queries the response was YES. [2021-03-25 17:41:20,214 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. [2021-03-25 17:41:20,230 INFO L132 encePairwiseOnDemand]: 113/147 looper letters, 830 selfloop transitions, 267 changer transitions 1/1101 dead transitions. [2021-03-25 17:41:20,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 1101 transitions, 40554 flow [2021-03-25 17:41:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 17:41:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 17:41:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 220 transitions. [2021-03-25 17:41:20,236 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07876834944504117 [2021-03-25 17:41:20,236 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 220 transitions. [2021-03-25 17:41:20,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 220 transitions. [2021-03-25 17:41:20,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:20,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 220 transitions. [2021-03-25 17:41:20,237 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) [2021-03-25 17:41:20,238 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) [2021-03-25 17:41:20,238 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) [2021-03-25 17:41:20,238 INFO L185 Difference]: Start difference. First operand has 435 places, 1035 transitions, 35830 flow. Second operand 19 states and 220 transitions. [2021-03-25 17:41:20,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 1101 transitions, 40554 flow [2021-03-25 17:41:21,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 1101 transitions, 40426 flow, removed 29 selfloop flow, removed 5 redundant places. [2021-03-25 17:41:21,220 INFO L241 Difference]: Finished difference. Result has 452 places, 1069 transitions, 37817 flow [2021-03-25 17:41:21,220 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} [2021-03-25 17:41:21,220 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 435 predicate places. [2021-03-25 17:41:21,221 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:21,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 1069 transitions, 37817 flow [2021-03-25 17:41:21,221 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 1069 transitions, 37817 flow [2021-03-25 17:41:21,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 452 places, 1069 transitions, 37817 flow [2021-03-25 17:41:21,869 INFO L129 PetriNetUnfolder]: 946/2098 cut-off events. [2021-03-25 17:41:21,869 INFO L130 PetriNetUnfolder]: For 211007/211304 co-relation queries the response was YES. [2021-03-25 17:41:21,891 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. [2021-03-25 17:41:21,921 INFO L142 LiptonReduction]: Number of co-enabled transitions 2164 [2021-03-25 17:41:22,865 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 17:41:22,865 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 17:41:22,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1645 [2021-03-25 17:41:22,865 INFO L480 AbstractCegarLoop]: Abstraction has has 450 places, 1063 transitions, 37533 flow [2021-03-25 17:41:22,865 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) [2021-03-25 17:41:22,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:22,865 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:23,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:41:23,066 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:23,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:23,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1297744051, now seen corresponding path program 1 times [2021-03-25 17:41:23,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:23,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513114836] [2021-03-25 17:41:23,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:23,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:23,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:23,096 INFO L142 QuantifierPusher]: treesize reduction 73, result has 46.3 percent of original size [2021-03-25 17:41:23,096 INFO L147 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size 51 [2021-03-25 17:41:23,135 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:41:23,135 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:41:23,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:23,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513114836] [2021-03-25 17:41:23,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321763888] [2021-03-25 17:41:23,156 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 [2021-03-25 17:41:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:23,167 WARN L261 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-25 17:41:23,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,180 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:41:23,181 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:41:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:23,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:41:23,204 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 17:41:23,204 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-25 17:41:23,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:41:23,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:41:23,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:41:23,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:41:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,210 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 [2021-03-25 17:41:23,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:41:23,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:41:23,215 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:23,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:41:23,248 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:23,248 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:26 [2021-03-25 17:41:23,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:41:23,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:41:23,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:41:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:41:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:41:23,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,278 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 [2021-03-25 17:41:23,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:41:23,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:41:23,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:23,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:41:23,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:23,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:46 [2021-03-25 17:41:23,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:41:23,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:41:23,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:41:23,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:23,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:41:23,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:23,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:41:23,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:23,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:41:23,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:41:23,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:41:23,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:23,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:23,339 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 [2021-03-25 17:41:23,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:41:23,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:41:23,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:23,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:23,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:41:23,356 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. [2021-03-25 17:41:23,356 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:52, output treesize:51 [2021-03-25 17:41:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:41:23,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:23,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:41:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:23,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:23,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:41:23,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944735284] [2021-03-25 17:41:23,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:41:23,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:23,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:41:23,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:41:23,385 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2021-03-25 17:41:23,385 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) [2021-03-25 17:41:23,385 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:23,385 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2021-03-25 17:41:23,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:26,047 INFO L129 PetriNetUnfolder]: 941/2080 cut-off events. [2021-03-25 17:41:26,047 INFO L130 PetriNetUnfolder]: For 209783/211894 co-relation queries the response was YES. [2021-03-25 17:41:26,073 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. [2021-03-25 17:41:26,089 INFO L132 encePairwiseOnDemand]: 119/149 looper letters, 889 selfloop transitions, 170 changer transitions 4/1066 dead transitions. [2021-03-25 17:41:26,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 1066 transitions, 39790 flow [2021-03-25 17:41:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 17:41:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 17:41:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 136 transitions. [2021-03-25 17:41:26,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08297742525930446 [2021-03-25 17:41:26,090 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 136 transitions. [2021-03-25 17:41:26,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 136 transitions. [2021-03-25 17:41:26,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:26,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 136 transitions. [2021-03-25 17:41:26,090 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) [2021-03-25 17:41:26,091 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) [2021-03-25 17:41:26,091 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) [2021-03-25 17:41:26,091 INFO L185 Difference]: Start difference. First operand has 450 places, 1063 transitions, 37533 flow. Second operand 11 states and 136 transitions. [2021-03-25 17:41:26,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 1066 transitions, 39790 flow [2021-03-25 17:41:27,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 1066 transitions, 39615 flow, removed 40 selfloop flow, removed 13 redundant places. [2021-03-25 17:41:27,350 INFO L241 Difference]: Finished difference. Result has 448 places, 1059 transitions, 37495 flow [2021-03-25 17:41:27,350 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} [2021-03-25 17:41:27,351 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 431 predicate places. [2021-03-25 17:41:27,351 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:27,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 1059 transitions, 37495 flow [2021-03-25 17:41:27,351 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 1059 transitions, 37495 flow [2021-03-25 17:41:27,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 444 places, 1059 transitions, 37495 flow [2021-03-25 17:41:27,920 INFO L129 PetriNetUnfolder]: 940/2076 cut-off events. [2021-03-25 17:41:27,920 INFO L130 PetriNetUnfolder]: For 209351/209820 co-relation queries the response was YES. [2021-03-25 17:41:27,946 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. [2021-03-25 17:41:27,977 INFO L142 LiptonReduction]: Number of co-enabled transitions 2144 [2021-03-25 17:41:28,272 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:41:28,272 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:41:28,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 921 [2021-03-25 17:41:28,273 INFO L480 AbstractCegarLoop]: Abstraction has has 444 places, 1059 transitions, 37495 flow [2021-03-25 17:41:28,273 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) [2021-03-25 17:41:28,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:28,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:28,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-03-25 17:41:28,488 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:28,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:28,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1932574684, now seen corresponding path program 1 times [2021-03-25 17:41:28,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:28,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297215687] [2021-03-25 17:41:28,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:28,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:28,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:28,517 INFO L142 QuantifierPusher]: treesize reduction 270, result has 29.7 percent of original size [2021-03-25 17:41:28,518 INFO L147 QuantifierPusher]: treesize reduction 26, result has 77.2 percent of original size 88 [2021-03-25 17:41:28,598 INFO L142 QuantifierPusher]: treesize reduction 249, result has 46.5 percent of original size [2021-03-25 17:41:28,599 INFO L147 QuantifierPusher]: treesize reduction 55, result has 74.5 percent of original size 161 [2021-03-25 17:41:28,711 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:41:28,711 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:41:28,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:28,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297215687] [2021-03-25 17:41:28,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060617267] [2021-03-25 17:41:28,742 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 [2021-03-25 17:41:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:28,775 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:41:28,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:28,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,800 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:41:28,801 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:41:28,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:28,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:28,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:28,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:28,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:28,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:28,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:28,817 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 [2021-03-25 17:41:28,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:28,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:28,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:28,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:28,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:28,823 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:28,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:28,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:28,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:28,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:28,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:28,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:28,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:41:28,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:41:28,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:41:28,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:41:28,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:41:28,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:41:28,850 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 [2021-03-25 17:41:28,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 17:41:28,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 17:41:28,852 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:28,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:41:28,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:28,879 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:82 [2021-03-25 17:41:28,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:41:28,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:41:28,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:28,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:28,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:28,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:41:28,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:28,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:41:28,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 17:41:28,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:28,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:28,947 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 [2021-03-25 17:41:28,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-25 17:41:28,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-25 17:41:28,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:28,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:28,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:41:28,990 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. [2021-03-25 17:41:28,990 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:87 [2021-03-25 17:41:28,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:28,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:41:28,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:28,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:28,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:28,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:41:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:29,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:29,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:41:29,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599388857] [2021-03-25 17:41:29,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:41:29,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:29,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:41:29,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:41:29,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2021-03-25 17:41:29,052 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) [2021-03-25 17:41:29,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:29,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2021-03-25 17:41:29,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:31,504 INFO L129 PetriNetUnfolder]: 953/2107 cut-off events. [2021-03-25 17:41:31,504 INFO L130 PetriNetUnfolder]: For 216909/219020 co-relation queries the response was YES. [2021-03-25 17:41:31,527 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. [2021-03-25 17:41:31,544 INFO L132 encePairwiseOnDemand]: 119/149 looper letters, 863 selfloop transitions, 215 changer transitions 9/1090 dead transitions. [2021-03-25 17:41:31,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 1090 transitions, 41089 flow [2021-03-25 17:41:31,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:41:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:41:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2021-03-25 17:41:31,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08389261744966443 [2021-03-25 17:41:31,546 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 150 transitions. [2021-03-25 17:41:31,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 150 transitions. [2021-03-25 17:41:31,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:31,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 150 transitions. [2021-03-25 17:41:31,547 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) [2021-03-25 17:41:31,548 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) [2021-03-25 17:41:31,548 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) [2021-03-25 17:41:31,548 INFO L185 Difference]: Start difference. First operand has 444 places, 1059 transitions, 37495 flow. Second operand 12 states and 150 transitions. [2021-03-25 17:41:31,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 1090 transitions, 41089 flow [2021-03-25 17:41:32,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 1090 transitions, 40451 flow, removed 16 selfloop flow, removed 10 redundant places. [2021-03-25 17:41:32,476 INFO L241 Difference]: Finished difference. Result has 451 places, 1071 transitions, 38009 flow [2021-03-25 17:41:32,477 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} [2021-03-25 17:41:32,477 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 434 predicate places. [2021-03-25 17:41:32,477 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:32,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 451 places, 1071 transitions, 38009 flow [2021-03-25 17:41:32,477 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 451 places, 1071 transitions, 38009 flow [2021-03-25 17:41:32,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 1071 transitions, 38009 flow [2021-03-25 17:41:33,031 INFO L129 PetriNetUnfolder]: 951/2098 cut-off events. [2021-03-25 17:41:33,032 INFO L130 PetriNetUnfolder]: For 208751/208909 co-relation queries the response was YES. [2021-03-25 17:41:33,057 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. [2021-03-25 17:41:33,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 2170 [2021-03-25 17:41:33,457 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-25 17:41:33,787 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-25 17:41:34,061 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-25 17:41:34,199 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:41:34,618 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:41:34,618 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:41:34,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2142 [2021-03-25 17:41:34,619 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 1070 transitions, 38094 flow [2021-03-25 17:41:34,619 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) [2021-03-25 17:41:34,619 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:34,619 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:34,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:41:34,819 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:34,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:34,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1260732134, now seen corresponding path program 1 times [2021-03-25 17:41:34,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:34,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138140549] [2021-03-25 17:41:34,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:34,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:34,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:34,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:34,844 INFO L142 QuantifierPusher]: treesize reduction 135, result has 26.2 percent of original size [2021-03-25 17:41:34,845 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size 41 [2021-03-25 17:41:34,876 INFO L142 QuantifierPusher]: treesize reduction 132, result has 42.4 percent of original size [2021-03-25 17:41:34,876 INFO L147 QuantifierPusher]: treesize reduction 18, result has 81.4 percent of original size 79 [2021-03-25 17:41:34,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:34,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138140549] [2021-03-25 17:41:34,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613551664] [2021-03-25 17:41:34,935 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 [2021-03-25 17:41:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:34,947 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:41:34,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:34,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,960 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:41:34,960 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:41:34,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,979 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:41:34,979 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:41:34,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,990 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:41:34,990 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:41:34,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:34,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:34,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:35,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:35,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:35,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:35,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:35,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:35,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:35,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:35,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:35,007 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 [2021-03-25 17:41:35,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:35,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:35,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:35,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:35,013 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:35,013 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:35,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:35,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:35,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:41:35,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:35,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:35,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:41:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:35,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:35,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:41:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:41:35,032 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 [2021-03-25 17:41:35,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:41:35,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:41:35,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:35,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:41:35,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:35,046 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:44 [2021-03-25 17:41:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:41:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:41:35,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:35,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:35,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:41:35,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511431617] [2021-03-25 17:41:35,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:41:35,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:35,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:41:35,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:41:35,070 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 152 [2021-03-25 17:41:35,070 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) [2021-03-25 17:41:35,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:35,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 152 [2021-03-25 17:41:35,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:37,015 INFO L129 PetriNetUnfolder]: 962/2124 cut-off events. [2021-03-25 17:41:37,015 INFO L130 PetriNetUnfolder]: For 208932/209066 co-relation queries the response was YES. [2021-03-25 17:41:37,040 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. [2021-03-25 17:41:37,057 INFO L132 encePairwiseOnDemand]: 111/152 looper letters, 843 selfloop transitions, 249 changer transitions 2/1097 dead transitions. [2021-03-25 17:41:37,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 1097 transitions, 41552 flow [2021-03-25 17:41:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 17:41:37,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 17:41:37,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 191 transitions. [2021-03-25 17:41:37,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07853618421052631 [2021-03-25 17:41:37,059 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 191 transitions. [2021-03-25 17:41:37,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 191 transitions. [2021-03-25 17:41:37,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:37,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 191 transitions. [2021-03-25 17:41:37,059 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) [2021-03-25 17:41:37,060 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) [2021-03-25 17:41:37,060 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) [2021-03-25 17:41:37,060 INFO L185 Difference]: Start difference. First operand has 446 places, 1070 transitions, 38094 flow. Second operand 16 states and 191 transitions. [2021-03-25 17:41:37,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 1097 transitions, 41552 flow [2021-03-25 17:41:38,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 1097 transitions, 41270 flow, removed 75 selfloop flow, removed 6 redundant places. [2021-03-25 17:41:38,062 INFO L241 Difference]: Finished difference. Result has 462 places, 1094 transitions, 39729 flow [2021-03-25 17:41:38,063 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} [2021-03-25 17:41:38,063 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 445 predicate places. [2021-03-25 17:41:38,063 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:38,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 1094 transitions, 39729 flow [2021-03-25 17:41:38,063 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 1094 transitions, 39729 flow [2021-03-25 17:41:38,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 1094 transitions, 39729 flow [2021-03-25 17:41:38,653 INFO L129 PetriNetUnfolder]: 962/2122 cut-off events. [2021-03-25 17:41:38,653 INFO L130 PetriNetUnfolder]: For 219795/220204 co-relation queries the response was YES. [2021-03-25 17:41:38,682 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. [2021-03-25 17:41:38,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 2216 [2021-03-25 17:41:39,935 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-25 17:41:39,935 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 17:41:39,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1873 [2021-03-25 17:41:39,936 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 1090 transitions, 39590 flow [2021-03-25 17:41:39,936 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) [2021-03-25 17:41:39,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:39,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:40,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:41:40,152 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:40,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:40,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1122728037, now seen corresponding path program 1 times [2021-03-25 17:41:40,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:40,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618645201] [2021-03-25 17:41:40,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:40,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:40,173 INFO L142 QuantifierPusher]: treesize reduction 271, result has 33.4 percent of original size [2021-03-25 17:41:40,174 INFO L147 QuantifierPusher]: treesize reduction 47, result has 65.4 percent of original size 89 [2021-03-25 17:41:40,263 INFO L142 QuantifierPusher]: treesize reduction 271, result has 45.0 percent of original size [2021-03-25 17:41:40,265 INFO L147 QuantifierPusher]: treesize reduction 55, result has 75.2 percent of original size 167 [2021-03-25 17:41:40,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:40,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618645201] [2021-03-25 17:41:40,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708375768] [2021-03-25 17:41:40,383 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 [2021-03-25 17:41:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:40,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:41:40,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:40,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:40,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:40,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:40,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:40,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:40,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:40,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:40,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:40,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:40,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:40,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:40,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:40,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:40,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:40,443 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 [2021-03-25 17:41:40,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:40,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:40,444 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:40,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:40,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:40,449 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:40,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:40,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:41:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-25 17:41:40,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:41:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 17:41:40,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:41:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:40,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:40,566 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 [2021-03-25 17:41:40,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-25 17:41:40,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-25 17:41:40,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:40,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:41:40,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:41:40,601 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. [2021-03-25 17:41:40,601 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:115 [2021-03-25 17:41:40,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:41:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:41:40,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:40,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:40,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:41:40,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:41:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:40,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:41:40,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:41:40,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595654263] [2021-03-25 17:41:40,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:41:40,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:40,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:41:40,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:41:40,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 159 [2021-03-25 17:41:40,626 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) [2021-03-25 17:41:40,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:40,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 159 [2021-03-25 17:41:40,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:42,186 INFO L129 PetriNetUnfolder]: 961/2120 cut-off events. [2021-03-25 17:41:42,186 INFO L130 PetriNetUnfolder]: For 219869/220369 co-relation queries the response was YES. [2021-03-25 17:41:42,214 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. [2021-03-25 17:41:42,230 INFO L132 encePairwiseOnDemand]: 134/159 looper letters, 1049 selfloop transitions, 40 changer transitions 1/1093 dead transitions. [2021-03-25 17:41:42,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 1093 transitions, 41948 flow [2021-03-25 17:41:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:41:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:41:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 108 transitions. [2021-03-25 17:41:42,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09703504043126684 [2021-03-25 17:41:42,232 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 108 transitions. [2021-03-25 17:41:42,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 108 transitions. [2021-03-25 17:41:42,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:42,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 108 transitions. [2021-03-25 17:41:42,232 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) [2021-03-25 17:41:42,233 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) [2021-03-25 17:41:42,233 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) [2021-03-25 17:41:42,233 INFO L185 Difference]: Start difference. First operand has 460 places, 1090 transitions, 39590 flow. Second operand 7 states and 108 transitions. [2021-03-25 17:41:42,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 1093 transitions, 41948 flow [2021-03-25 17:41:43,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 1093 transitions, 41703 flow, removed 111 selfloop flow, removed 5 redundant places. [2021-03-25 17:41:43,246 INFO L241 Difference]: Finished difference. Result has 462 places, 1091 transitions, 39490 flow [2021-03-25 17:41:43,247 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} [2021-03-25 17:41:43,247 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 445 predicate places. [2021-03-25 17:41:43,247 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:43,247 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 1091 transitions, 39490 flow [2021-03-25 17:41:43,247 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 1091 transitions, 39490 flow [2021-03-25 17:41:43,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 461 places, 1091 transitions, 39490 flow [2021-03-25 17:41:43,848 INFO L129 PetriNetUnfolder]: 961/2119 cut-off events. [2021-03-25 17:41:43,849 INFO L130 PetriNetUnfolder]: For 220686/221231 co-relation queries the response was YES. [2021-03-25 17:41:43,876 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. [2021-03-25 17:41:43,988 INFO L142 LiptonReduction]: Number of co-enabled transitions 2210 [2021-03-25 17:41:44,645 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:41:44,645 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:41:44,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1398 [2021-03-25 17:41:44,645 INFO L480 AbstractCegarLoop]: Abstraction has has 461 places, 1090 transitions, 39479 flow [2021-03-25 17:41:44,645 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) [2021-03-25 17:41:44,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:44,646 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:44,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-03-25 17:41:44,846 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:44,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:44,846 INFO L82 PathProgramCache]: Analyzing trace with hash -144302275, now seen corresponding path program 1 times [2021-03-25 17:41:44,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:44,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779598643] [2021-03-25 17:41:44,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:44,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:44,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:44,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:44,868 INFO L142 QuantifierPusher]: treesize reduction 152, result has 44.3 percent of original size [2021-03-25 17:41:44,869 INFO L147 QuantifierPusher]: treesize reduction 38, result has 68.6 percent of original size 83 [2021-03-25 17:41:44,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:44,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:44,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779598643] [2021-03-25 17:41:44,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954136027] [2021-03-25 17:41:44,975 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 [2021-03-25 17:41:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:44,994 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:41:44,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:44,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:44,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:44,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:44,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:44,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:44,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:44,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,011 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:41:45,011 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:41:45,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:45,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:41:45,028 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.1 percent of original size 49 [2021-03-25 17:41:45,028 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.1 percent of original size [2021-03-25 17:41:45,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:41:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:41:45,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:41:45,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:41:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,056 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 [2021-03-25 17:41:45,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:41:45,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:41:45,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:45,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:41:45,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:45,077 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:61 [2021-03-25 17:41:45,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:41:45,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:41:45,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:41:45,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:41:45,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:41:45,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:41:45,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:41:45,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:41:45,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:41:45,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:41:45,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:41:45,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:41:45,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:45,190 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 [2021-03-25 17:41:45,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-25 17:41:45,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-25 17:41:45,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:45,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:41:45,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:41:45,228 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. [2021-03-25 17:41:45,228 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:98, output treesize:115 [2021-03-25 17:41:45,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:41:45,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:41:45,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:45,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:45,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:41:45,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-03-25 17:41:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:45,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:45,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:41:45,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125039612] [2021-03-25 17:41:45,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:41:45,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:45,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:41:45,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:41:45,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 160 [2021-03-25 17:41:45,275 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) [2021-03-25 17:41:45,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:45,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 160 [2021-03-25 17:41:45,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:45,935 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-03-25 17:41:47,286 INFO L129 PetriNetUnfolder]: 960/2120 cut-off events. [2021-03-25 17:41:47,286 INFO L130 PetriNetUnfolder]: For 224329/227691 co-relation queries the response was YES. [2021-03-25 17:41:47,317 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. [2021-03-25 17:41:47,333 INFO L132 encePairwiseOnDemand]: 127/160 looper letters, 895 selfloop transitions, 191 changer transitions 4/1093 dead transitions. [2021-03-25 17:41:47,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 1093 transitions, 41803 flow [2021-03-25 17:41:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:41:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:41:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 114 transitions. [2021-03-25 17:41:47,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0890625 [2021-03-25 17:41:47,335 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 114 transitions. [2021-03-25 17:41:47,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 114 transitions. [2021-03-25 17:41:47,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:47,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 114 transitions. [2021-03-25 17:41:47,335 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) [2021-03-25 17:41:47,336 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) [2021-03-25 17:41:47,336 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) [2021-03-25 17:41:47,336 INFO L185 Difference]: Start difference. First operand has 461 places, 1090 transitions, 39479 flow. Second operand 8 states and 114 transitions. [2021-03-25 17:41:47,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 1093 transitions, 41803 flow [2021-03-25 17:41:48,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 1093 transitions, 41653 flow, removed 30 selfloop flow, removed 7 redundant places. [2021-03-25 17:41:48,411 INFO L241 Difference]: Finished difference. Result has 462 places, 1088 transitions, 39610 flow [2021-03-25 17:41:48,412 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} [2021-03-25 17:41:48,412 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 445 predicate places. [2021-03-25 17:41:48,412 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:48,412 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 1088 transitions, 39610 flow [2021-03-25 17:41:48,412 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 1088 transitions, 39610 flow [2021-03-25 17:41:48,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 1088 transitions, 39610 flow [2021-03-25 17:41:48,996 INFO L129 PetriNetUnfolder]: 959/2116 cut-off events. [2021-03-25 17:41:48,997 INFO L130 PetriNetUnfolder]: For 224064/224555 co-relation queries the response was YES. [2021-03-25 17:41:49,025 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. [2021-03-25 17:41:49,056 INFO L142 LiptonReduction]: Number of co-enabled transitions 2204 [2021-03-25 17:41:49,297 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:41:49,298 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:41:49,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 886 [2021-03-25 17:41:49,298 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 1088 transitions, 39610 flow [2021-03-25 17:41:49,298 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) [2021-03-25 17:41:49,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:49,298 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:49,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:41:49,498 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:49,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:49,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1130783995, now seen corresponding path program 1 times [2021-03-25 17:41:49,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:49,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641129132] [2021-03-25 17:41:49,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:49,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:49,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:49,525 INFO L142 QuantifierPusher]: treesize reduction 271, result has 34.2 percent of original size [2021-03-25 17:41:49,526 INFO L147 QuantifierPusher]: treesize reduction 47, result has 66.7 percent of original size 94 [2021-03-25 17:41:49,628 INFO L142 QuantifierPusher]: treesize reduction 278, result has 44.2 percent of original size [2021-03-25 17:41:49,629 INFO L147 QuantifierPusher]: treesize reduction 48, result has 78.2 percent of original size 172 [2021-03-25 17:41:49,734 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:41:49,734 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:41:49,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:49,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641129132] [2021-03-25 17:41:49,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752060495] [2021-03-25 17:41:49,758 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 [2021-03-25 17:41:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:49,771 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:41:49,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:49,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:49,815 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 [2021-03-25 17:41:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:49,816 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:49,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:49,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:49,821 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:49,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:49,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:49,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:49,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:41:49,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:41:49,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:49,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:41:49,843 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 [2021-03-25 17:41:49,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-25 17:41:49,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-25 17:41:49,845 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:49,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:41:49,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:49,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:87 [2021-03-25 17:41:49,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:41:49,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:41:49,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:49,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:41:49,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:49,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:41:49,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:41:49,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:49,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 17:41:49,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-25 17:41:49,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:41:49,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:41:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:49,940 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 [2021-03-25 17:41:49,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-25 17:41:49,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-25 17:41:49,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:49,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:49,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:41:49,978 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. [2021-03-25 17:41:49,978 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:93, output treesize:92 [2021-03-25 17:41:49,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:49,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:41:49,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:49,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:49,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:49,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:41:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:50,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:50,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:41:50,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142989601] [2021-03-25 17:41:50,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:41:50,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:50,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:41:50,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:41:50,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 160 [2021-03-25 17:41:50,028 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) [2021-03-25 17:41:50,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:50,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 160 [2021-03-25 17:41:50,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:51,813 INFO L129 PetriNetUnfolder]: 972/2147 cut-off events. [2021-03-25 17:41:51,814 INFO L130 PetriNetUnfolder]: For 233451/237054 co-relation queries the response was YES. [2021-03-25 17:41:51,840 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. [2021-03-25 17:41:51,856 INFO L132 encePairwiseOnDemand]: 129/160 looper letters, 882 selfloop transitions, 226 changer transitions 9/1120 dead transitions. [2021-03-25 17:41:51,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 1120 transitions, 43358 flow [2021-03-25 17:41:51,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:41:51,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:41:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 154 transitions. [2021-03-25 17:41:51,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08020833333333334 [2021-03-25 17:41:51,858 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 154 transitions. [2021-03-25 17:41:51,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 154 transitions. [2021-03-25 17:41:51,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:51,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 154 transitions. [2021-03-25 17:41:51,858 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) [2021-03-25 17:41:51,859 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) [2021-03-25 17:41:51,859 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) [2021-03-25 17:41:51,859 INFO L185 Difference]: Start difference. First operand has 459 places, 1088 transitions, 39610 flow. Second operand 12 states and 154 transitions. [2021-03-25 17:41:51,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 1120 transitions, 43358 flow [2021-03-25 17:41:52,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 1120 transitions, 42962 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-25 17:41:52,918 INFO L241 Difference]: Finished difference. Result has 470 places, 1100 transitions, 40421 flow [2021-03-25 17:41:52,919 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} [2021-03-25 17:41:52,919 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 453 predicate places. [2021-03-25 17:41:52,919 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:52,919 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 470 places, 1100 transitions, 40421 flow [2021-03-25 17:41:52,919 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 470 places, 1100 transitions, 40421 flow [2021-03-25 17:41:52,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 466 places, 1100 transitions, 40421 flow [2021-03-25 17:41:53,522 INFO L129 PetriNetUnfolder]: 970/2138 cut-off events. [2021-03-25 17:41:53,522 INFO L130 PetriNetUnfolder]: For 232684/232787 co-relation queries the response was YES. [2021-03-25 17:41:53,549 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. [2021-03-25 17:41:53,582 INFO L142 LiptonReduction]: Number of co-enabled transitions 2230 [2021-03-25 17:41:54,006 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-25 17:41:54,376 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-25 17:41:54,701 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-25 17:41:55,162 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:41:55,163 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:41:55,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2244 [2021-03-25 17:41:55,163 INFO L480 AbstractCegarLoop]: Abstraction has has 465 places, 1099 transitions, 40507 flow [2021-03-25 17:41:55,163 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) [2021-03-25 17:41:55,163 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:41:55,163 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:41:55,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-03-25 17:41:55,366 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:41:55,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:41:55,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1237240489, now seen corresponding path program 1 times [2021-03-25 17:41:55,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:41:55,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266666897] [2021-03-25 17:41:55,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:41:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:55,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:55,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:55,388 INFO L142 QuantifierPusher]: treesize reduction 116, result has 38.3 percent of original size [2021-03-25 17:41:55,389 INFO L147 QuantifierPusher]: treesize reduction 26, result has 63.9 percent of original size 46 [2021-03-25 17:41:55,453 INFO L142 QuantifierPusher]: treesize reduction 131, result has 44.0 percent of original size [2021-03-25 17:41:55,454 INFO L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-03-25 17:41:55,544 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:41:55,545 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:41:55,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:55,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266666897] [2021-03-25 17:41:55,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535636879] [2021-03-25 17:41:55,566 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 [2021-03-25 17:41:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:41:55,583 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:41:55,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:41:55,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,597 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:41:55,597 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:41:55,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:41:55,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:55,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:55,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:55,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:55,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:41:55,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:41:55,626 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 [2021-03-25 17:41:55,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:55,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:41:55,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:55,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:55,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:55,632 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:41:55,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:55,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:41:55,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:41:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:41:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:41:55,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:41:55,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 17:41:55,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:41:55,652 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 [2021-03-25 17:41:55,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:41:55,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:41:55,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:55,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:41:55,670 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:41:55,670 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:47 [2021-03-25 17:41:55,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:41:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:41:55,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:41:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:41:55,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:41:55,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:41:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:41:55,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:41:55,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:41:55,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:41:55,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:41:55,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:41:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:55,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:55,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:41:55,711 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 [2021-03-25 17:41:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:41:55,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:41:55,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:41:55,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:55,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:55,743 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. [2021-03-25 17:41:55,743 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:52 [2021-03-25 17:41:55,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:55,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:55,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:41:55,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:41:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:41:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:41:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:41:55,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:41:55,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:41:55,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404927374] [2021-03-25 17:41:55,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:41:55,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:41:55,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:41:55,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:41:55,773 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 163 [2021-03-25 17:41:55,773 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) [2021-03-25 17:41:55,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:41:55,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 163 [2021-03-25 17:41:55,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:41:57,783 INFO L129 PetriNetUnfolder]: 980/2166 cut-off events. [2021-03-25 17:41:57,783 INFO L130 PetriNetUnfolder]: For 239264/240606 co-relation queries the response was YES. [2021-03-25 17:41:57,809 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. [2021-03-25 17:41:57,828 INFO L132 encePairwiseOnDemand]: 119/163 looper letters, 844 selfloop transitions, 267 changer transitions 22/1136 dead transitions. [2021-03-25 17:41:57,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 1136 transitions, 44589 flow [2021-03-25 17:41:57,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:41:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:41:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 156 transitions. [2021-03-25 17:41:57,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07975460122699386 [2021-03-25 17:41:57,829 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 156 transitions. [2021-03-25 17:41:57,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 156 transitions. [2021-03-25 17:41:57,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:41:57,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 156 transitions. [2021-03-25 17:41:57,830 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) [2021-03-25 17:41:57,831 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) [2021-03-25 17:41:57,831 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) [2021-03-25 17:41:57,831 INFO L185 Difference]: Start difference. First operand has 465 places, 1099 transitions, 40507 flow. Second operand 12 states and 156 transitions. [2021-03-25 17:41:57,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 1136 transitions, 44589 flow [2021-03-25 17:41:59,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 1136 transitions, 44268 flow, removed 80 selfloop flow, removed 8 redundant places. [2021-03-25 17:41:59,054 INFO L241 Difference]: Finished difference. Result has 472 places, 1098 transitions, 40823 flow [2021-03-25 17:41:59,055 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} [2021-03-25 17:41:59,055 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 455 predicate places. [2021-03-25 17:41:59,055 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:41:59,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 1098 transitions, 40823 flow [2021-03-25 17:41:59,055 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 1098 transitions, 40823 flow [2021-03-25 17:41:59,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 466 places, 1098 transitions, 40823 flow [2021-03-25 17:41:59,718 INFO L129 PetriNetUnfolder]: 974/2143 cut-off events. [2021-03-25 17:41:59,719 INFO L130 PetriNetUnfolder]: For 238919/239834 co-relation queries the response was YES. [2021-03-25 17:41:59,752 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. [2021-03-25 17:41:59,787 INFO L142 LiptonReduction]: Number of co-enabled transitions 2226 [2021-03-25 17:42:00,040 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:42:00,040 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:42:00,040 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 985 [2021-03-25 17:42:00,040 INFO L480 AbstractCegarLoop]: Abstraction has has 466 places, 1098 transitions, 40823 flow [2021-03-25 17:42:00,040 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) [2021-03-25 17:42:00,040 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:00,040 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:42:00,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:42:00,242 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:00,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:00,242 INFO L82 PathProgramCache]: Analyzing trace with hash -870168216, now seen corresponding path program 1 times [2021-03-25 17:42:00,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:00,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569564437] [2021-03-25 17:42:00,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:00,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:00,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:00,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:00,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:00,262 INFO L142 QuantifierPusher]: treesize reduction 369, result has 10.4 percent of original size [2021-03-25 17:42:00,262 INFO L147 QuantifierPusher]: treesize reduction 38, result has 11.6 percent of original size 5 [2021-03-25 17:42:00,286 INFO L142 QuantifierPusher]: treesize reduction 363, result has 27.1 percent of original size [2021-03-25 17:42:00,287 INFO L147 QuantifierPusher]: treesize reduction 21, result has 84.4 percent of original size 114 [2021-03-25 17:42:00,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:00,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:00,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569564437] [2021-03-25 17:42:00,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:42:00,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:42:00,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352702120] [2021-03-25 17:42:00,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:42:00,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:00,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:42:00,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:42:00,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 163 [2021-03-25 17:42:00,362 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) [2021-03-25 17:42:00,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:00,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 163 [2021-03-25 17:42:00,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:01,860 INFO L129 PetriNetUnfolder]: 989/2176 cut-off events. [2021-03-25 17:42:01,860 INFO L130 PetriNetUnfolder]: For 243199/243941 co-relation queries the response was YES. [2021-03-25 17:42:01,888 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. [2021-03-25 17:42:01,906 INFO L132 encePairwiseOnDemand]: 135/163 looper letters, 939 selfloop transitions, 187 changer transitions 0/1129 dead transitions. [2021-03-25 17:42:01,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 1129 transitions, 44332 flow [2021-03-25 17:42:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:42:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:42:01,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 118 transitions. [2021-03-25 17:42:01,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09049079754601227 [2021-03-25 17:42:01,907 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 118 transitions. [2021-03-25 17:42:01,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 118 transitions. [2021-03-25 17:42:01,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:01,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 118 transitions. [2021-03-25 17:42:01,908 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) [2021-03-25 17:42:01,908 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) [2021-03-25 17:42:01,908 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) [2021-03-25 17:42:01,908 INFO L185 Difference]: Start difference. First operand has 466 places, 1098 transitions, 40823 flow. Second operand 8 states and 118 transitions. [2021-03-25 17:42:01,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 1129 transitions, 44332 flow [2021-03-25 17:42:03,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 1129 transitions, 43484 flow, removed 48 selfloop flow, removed 10 redundant places. [2021-03-25 17:42:03,077 INFO L241 Difference]: Finished difference. Result has 467 places, 1118 transitions, 41331 flow [2021-03-25 17:42:03,078 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} [2021-03-25 17:42:03,078 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 450 predicate places. [2021-03-25 17:42:03,078 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:03,078 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 467 places, 1118 transitions, 41331 flow [2021-03-25 17:42:03,078 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 467 places, 1118 transitions, 41331 flow [2021-03-25 17:42:03,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 1118 transitions, 41331 flow [2021-03-25 17:42:03,720 INFO L129 PetriNetUnfolder]: 989/2176 cut-off events. [2021-03-25 17:42:03,720 INFO L130 PetriNetUnfolder]: For 244935/245310 co-relation queries the response was YES. [2021-03-25 17:42:03,749 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. [2021-03-25 17:42:03,784 INFO L142 LiptonReduction]: Number of co-enabled transitions 2266 [2021-03-25 17:42:04,369 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:42:04,369 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:42:04,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1292 [2021-03-25 17:42:04,370 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 1117 transitions, 41275 flow [2021-03-25 17:42:04,370 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) [2021-03-25 17:42:04,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:04,370 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:42:04,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-25 17:42:04,370 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:04,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:04,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1047220228, now seen corresponding path program 1 times [2021-03-25 17:42:04,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:04,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327500614] [2021-03-25 17:42:04,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:04,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:04,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:04,398 INFO L142 QuantifierPusher]: treesize reduction 327, result has 21.6 percent of original size [2021-03-25 17:42:04,399 INFO L147 QuantifierPusher]: treesize reduction 39, result has 56.7 percent of original size 51 [2021-03-25 17:42:04,468 INFO L142 QuantifierPusher]: treesize reduction 347, result has 31.0 percent of original size [2021-03-25 17:42:04,469 INFO L147 QuantifierPusher]: treesize reduction 33, result has 78.8 percent of original size 123 [2021-03-25 17:42:04,557 INFO L142 QuantifierPusher]: treesize reduction 29, result has 50.8 percent of original size [2021-03-25 17:42:04,557 INFO L147 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size 19 [2021-03-25 17:42:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:04,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327500614] [2021-03-25 17:42:04,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358827338] [2021-03-25 17:42:04,592 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 [2021-03-25 17:42:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:04,607 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:42:04,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:42:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,634 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:42:04,634 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:42:04,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:04,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:04,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:04,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:04,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:04,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:04,653 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 [2021-03-25 17:42:04,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:04,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:04,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:04,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:04,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:04,659 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:42:04,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:04,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:04,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:04,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:04,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:04,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:04,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:42:04,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:42:04,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:42:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:42:04,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:42:04,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:42:04,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:04,692 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 [2021-03-25 17:42:04,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-25 17:42:04,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-25 17:42:04,694 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:04,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:04,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:04,727 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:94 [2021-03-25 17:42:04,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:04,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:04,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:42:04,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:42:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:42:04,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:42:04,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:04,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 17:42:04,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:42:04,780 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 [2021-03-25 17:42:04,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-25 17:42:04,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-25 17:42:04,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:04,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:04,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:04,831 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2021-03-25 17:42:04,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:04,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:04,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:04,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:04,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:42:04,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:42:04,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677929442] [2021-03-25 17:42:04,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:42:04,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:04,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:42:04,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:42:04,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 163 [2021-03-25 17:42:04,886 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) [2021-03-25 17:42:04,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:04,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 163 [2021-03-25 17:42:04,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:06,940 INFO L129 PetriNetUnfolder]: 998/2195 cut-off events. [2021-03-25 17:42:06,940 INFO L130 PetriNetUnfolder]: For 250607/252936 co-relation queries the response was YES. [2021-03-25 17:42:06,971 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. [2021-03-25 17:42:06,989 INFO L132 encePairwiseOnDemand]: 137/163 looper letters, 966 selfloop transitions, 168 changer transitions 1/1138 dead transitions. [2021-03-25 17:42:06,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 1138 transitions, 44661 flow [2021-03-25 17:42:06,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:42:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:42:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 154 transitions. [2021-03-25 17:42:06,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0787321063394683 [2021-03-25 17:42:06,991 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 154 transitions. [2021-03-25 17:42:06,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 154 transitions. [2021-03-25 17:42:06,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:06,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 154 transitions. [2021-03-25 17:42:06,991 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) [2021-03-25 17:42:06,992 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) [2021-03-25 17:42:06,992 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) [2021-03-25 17:42:06,992 INFO L185 Difference]: Start difference. First operand has 467 places, 1117 transitions, 41275 flow. Second operand 12 states and 154 transitions. [2021-03-25 17:42:06,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 1138 transitions, 44661 flow [2021-03-25 17:42:08,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 1138 transitions, 44324 flow, removed 98 selfloop flow, removed 7 redundant places. [2021-03-25 17:42:08,185 INFO L241 Difference]: Finished difference. Result has 477 places, 1136 transitions, 42377 flow [2021-03-25 17:42:08,186 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} [2021-03-25 17:42:08,186 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 460 predicate places. [2021-03-25 17:42:08,186 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:08,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 477 places, 1136 transitions, 42377 flow [2021-03-25 17:42:08,186 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 477 places, 1136 transitions, 42377 flow [2021-03-25 17:42:08,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 1136 transitions, 42377 flow [2021-03-25 17:42:08,893 INFO L129 PetriNetUnfolder]: 998/2195 cut-off events. [2021-03-25 17:42:08,894 INFO L130 PetriNetUnfolder]: For 261591/262281 co-relation queries the response was YES. [2021-03-25 17:42:08,919 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. [2021-03-25 17:42:08,955 INFO L142 LiptonReduction]: Number of co-enabled transitions 2306 [2021-03-25 17:42:09,472 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-25 17:42:09,832 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-25 17:42:10,353 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-25 17:42:10,689 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-25 17:42:11,408 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-25 17:42:11,769 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-25 17:42:12,323 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 17:42:12,323 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 17:42:12,323 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4137 [2021-03-25 17:42:12,324 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 1132 transitions, 42394 flow [2021-03-25 17:42:12,324 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) [2021-03-25 17:42:12,324 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:12,324 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:42:12,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:42:12,532 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:12,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:12,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1236720588, now seen corresponding path program 1 times [2021-03-25 17:42:12,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:12,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141808290] [2021-03-25 17:42:12,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:12,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:12,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:12,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:12,552 INFO L142 QuantifierPusher]: treesize reduction 121, result has 33.9 percent of original size [2021-03-25 17:42:12,553 INFO L147 QuantifierPusher]: treesize reduction 21, result has 66.1 percent of original size 41 [2021-03-25 17:42:12,611 INFO L142 QuantifierPusher]: treesize reduction 132, result has 42.4 percent of original size [2021-03-25 17:42:12,611 INFO L147 QuantifierPusher]: treesize reduction 18, result has 81.4 percent of original size 79 [2021-03-25 17:42:12,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:12,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141808290] [2021-03-25 17:42:12,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664899555] [2021-03-25 17:42:12,688 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 [2021-03-25 17:42:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:12,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:42:12,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:42:12,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:42:12,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:42:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:42:12,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:42:12,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:42:12,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:42:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:12,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:12,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:12,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:12,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:12,764 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 [2021-03-25 17:42:12,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:12,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:12,765 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:12,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:12,770 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:12,770 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:42:12,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:12,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:12,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:42:12,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:42:12,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:42:12,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:42:12,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:42:12,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:42:12,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:42:12,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:42:12,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:42:12,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:42:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:12,815 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 [2021-03-25 17:42:12,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:42:12,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:42:12,816 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:12,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:42:12,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:42:12,833 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. [2021-03-25 17:42:12,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:59 [2021-03-25 17:42:12,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:42:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:42:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:12,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:42:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:42:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:12,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:42:12,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:42:12,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356843094] [2021-03-25 17:42:12,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:42:12,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:12,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:42:12,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:42:12,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 170 [2021-03-25 17:42:12,855 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) [2021-03-25 17:42:12,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:12,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 170 [2021-03-25 17:42:12,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:16,095 INFO L129 PetriNetUnfolder]: 1033/2274 cut-off events. [2021-03-25 17:42:16,095 INFO L130 PetriNetUnfolder]: For 269466/270489 co-relation queries the response was YES. [2021-03-25 17:42:16,129 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. [2021-03-25 17:42:16,152 INFO L132 encePairwiseOnDemand]: 132/170 looper letters, 901 selfloop transitions, 305 changer transitions 2/1211 dead transitions. [2021-03-25 17:42:16,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 1211 transitions, 48017 flow [2021-03-25 17:42:16,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 17:42:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 17:42:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 227 transitions. [2021-03-25 17:42:16,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07027863777089784 [2021-03-25 17:42:16,153 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 227 transitions. [2021-03-25 17:42:16,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 227 transitions. [2021-03-25 17:42:16,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:16,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 227 transitions. [2021-03-25 17:42:16,154 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) [2021-03-25 17:42:16,156 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) [2021-03-25 17:42:16,156 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) [2021-03-25 17:42:16,156 INFO L185 Difference]: Start difference. First operand has 474 places, 1132 transitions, 42394 flow. Second operand 19 states and 227 transitions. [2021-03-25 17:42:16,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 1211 transitions, 48017 flow [2021-03-25 17:42:17,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 1211 transitions, 47693 flow, removed 150 selfloop flow, removed 5 redundant places. [2021-03-25 17:42:17,559 INFO L241 Difference]: Finished difference. Result has 491 places, 1179 transitions, 44906 flow [2021-03-25 17:42:17,560 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} [2021-03-25 17:42:17,561 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 474 predicate places. [2021-03-25 17:42:17,561 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:17,561 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 1179 transitions, 44906 flow [2021-03-25 17:42:17,561 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 1179 transitions, 44906 flow [2021-03-25 17:42:17,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 1179 transitions, 44906 flow [2021-03-25 17:42:18,343 INFO L129 PetriNetUnfolder]: 1033/2273 cut-off events. [2021-03-25 17:42:18,343 INFO L130 PetriNetUnfolder]: For 274956/275341 co-relation queries the response was YES. [2021-03-25 17:42:18,373 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. [2021-03-25 17:42:18,410 INFO L142 LiptonReduction]: Number of co-enabled transitions 2392 [2021-03-25 17:42:19,621 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 17:42:19,621 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 17:42:19,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2060 [2021-03-25 17:42:19,621 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 1174 transitions, 44628 flow [2021-03-25 17:42:19,621 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) [2021-03-25 17:42:19,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:19,622 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:42:19,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:42:19,822 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:19,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:19,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1663260471, now seen corresponding path program 1 times [2021-03-25 17:42:19,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:19,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878118254] [2021-03-25 17:42:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:19,844 INFO L142 QuantifierPusher]: treesize reduction 305, result has 3.5 percent of original size [2021-03-25 17:42:19,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:19,851 INFO L142 QuantifierPusher]: treesize reduction 6, result has 96.9 percent of original size [2021-03-25 17:42:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-03-25 17:42:19,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:19,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:19,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878118254] [2021-03-25 17:42:19,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:42:19,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:42:19,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459370078] [2021-03-25 17:42:19,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:42:19,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:19,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:42:19,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:42:19,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 172 [2021-03-25 17:42:19,933 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) [2021-03-25 17:42:19,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:19,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 172 [2021-03-25 17:42:19,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:22,402 INFO L129 PetriNetUnfolder]: 1031/2266 cut-off events. [2021-03-25 17:42:22,402 INFO L130 PetriNetUnfolder]: For 273364/274372 co-relation queries the response was YES. [2021-03-25 17:42:22,430 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. [2021-03-25 17:42:22,449 INFO L132 encePairwiseOnDemand]: 146/172 looper letters, 1021 selfloop transitions, 147 changer transitions 4/1175 dead transitions. [2021-03-25 17:42:22,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 1175 transitions, 47007 flow [2021-03-25 17:42:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:42:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:42:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 94 transitions. [2021-03-25 17:42:22,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10930232558139535 [2021-03-25 17:42:22,450 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 94 transitions. [2021-03-25 17:42:22,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 94 transitions. [2021-03-25 17:42:22,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:22,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 94 transitions. [2021-03-25 17:42:22,450 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) [2021-03-25 17:42:22,451 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) [2021-03-25 17:42:22,451 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) [2021-03-25 17:42:22,451 INFO L185 Difference]: Start difference. First operand has 488 places, 1174 transitions, 44628 flow. Second operand 5 states and 94 transitions. [2021-03-25 17:42:22,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 1175 transitions, 47007 flow [2021-03-25 17:42:23,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 1175 transitions, 46853 flow, removed 29 selfloop flow, removed 12 redundant places. [2021-03-25 17:42:23,573 INFO L241 Difference]: Finished difference. Result has 481 places, 1170 transitions, 44557 flow [2021-03-25 17:42:23,574 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} [2021-03-25 17:42:23,574 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 464 predicate places. [2021-03-25 17:42:23,574 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:23,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 1170 transitions, 44557 flow [2021-03-25 17:42:23,574 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 1170 transitions, 44557 flow [2021-03-25 17:42:23,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 1170 transitions, 44557 flow [2021-03-25 17:42:24,279 INFO L129 PetriNetUnfolder]: 1030/2262 cut-off events. [2021-03-25 17:42:24,279 INFO L130 PetriNetUnfolder]: For 277018/277976 co-relation queries the response was YES. [2021-03-25 17:42:24,311 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. [2021-03-25 17:42:24,349 INFO L142 LiptonReduction]: Number of co-enabled transitions 2372 [2021-03-25 17:42:24,658 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:42:24,659 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:42:24,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1085 [2021-03-25 17:42:24,659 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 1170 transitions, 44557 flow [2021-03-25 17:42:24,659 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) [2021-03-25 17:42:24,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:24,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:42:24,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-25 17:42:24,659 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:24,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:24,660 INFO L82 PathProgramCache]: Analyzing trace with hash -779177698, now seen corresponding path program 1 times [2021-03-25 17:42:24,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:24,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965436603] [2021-03-25 17:42:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:24,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:24,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:24,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:24,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:24,684 INFO L142 QuantifierPusher]: treesize reduction 399, result has 4.3 percent of original size [2021-03-25 17:42:24,684 INFO L147 QuantifierPusher]: treesize reduction 13, result has 27.8 percent of original size 5 [2021-03-25 17:42:24,699 INFO L142 QuantifierPusher]: treesize reduction 406, result has 19.3 percent of original size [2021-03-25 17:42:24,700 INFO L147 QuantifierPusher]: treesize reduction 7, result has 92.8 percent of original size 90 [2021-03-25 17:42:24,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:24,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:24,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965436603] [2021-03-25 17:42:24,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:42:24,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:42:24,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646315405] [2021-03-25 17:42:24,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:42:24,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:24,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:42:24,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:42:24,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 172 [2021-03-25 17:42:24,759 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) [2021-03-25 17:42:24,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:24,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 172 [2021-03-25 17:42:24,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:26,439 INFO L129 PetriNetUnfolder]: 1045/2295 cut-off events. [2021-03-25 17:42:26,439 INFO L130 PetriNetUnfolder]: For 282118/282781 co-relation queries the response was YES. [2021-03-25 17:42:26,476 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. [2021-03-25 17:42:26,495 INFO L132 encePairwiseOnDemand]: 144/172 looper letters, 1008 selfloop transitions, 190 changer transitions 0/1201 dead transitions. [2021-03-25 17:42:26,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 1201 transitions, 48195 flow [2021-03-25 17:42:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:42:26,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:42:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 119 transitions. [2021-03-25 17:42:26,497 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08648255813953488 [2021-03-25 17:42:26,497 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 119 transitions. [2021-03-25 17:42:26,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 119 transitions. [2021-03-25 17:42:26,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:26,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 119 transitions. [2021-03-25 17:42:26,497 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) [2021-03-25 17:42:26,498 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) [2021-03-25 17:42:26,498 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) [2021-03-25 17:42:26,498 INFO L185 Difference]: Start difference. First operand has 479 places, 1170 transitions, 44557 flow. Second operand 8 states and 119 transitions. [2021-03-25 17:42:26,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 1201 transitions, 48195 flow [2021-03-25 17:42:27,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 1201 transitions, 47770 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-25 17:42:27,758 INFO L241 Difference]: Finished difference. Result has 485 places, 1189 transitions, 45498 flow [2021-03-25 17:42:27,758 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} [2021-03-25 17:42:27,759 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 468 predicate places. [2021-03-25 17:42:27,759 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:27,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 485 places, 1189 transitions, 45498 flow [2021-03-25 17:42:27,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 485 places, 1189 transitions, 45498 flow [2021-03-25 17:42:27,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 1189 transitions, 45498 flow [2021-03-25 17:42:28,440 INFO L129 PetriNetUnfolder]: 1045/2295 cut-off events. [2021-03-25 17:42:28,440 INFO L130 PetriNetUnfolder]: For 283409/284090 co-relation queries the response was YES. [2021-03-25 17:42:28,557 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. [2021-03-25 17:42:28,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 2410 [2021-03-25 17:42:29,189 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:42:29,189 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:42:29,189 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1430 [2021-03-25 17:42:29,189 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 1188 transitions, 45440 flow [2021-03-25 17:42:29,189 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) [2021-03-25 17:42:29,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:29,189 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:42:29,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-25 17:42:29,190 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:29,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:29,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1615295620, now seen corresponding path program 1 times [2021-03-25 17:42:29,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:29,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044971609] [2021-03-25 17:42:29,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:29,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:29,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:29,219 INFO L142 QuantifierPusher]: treesize reduction 398, result has 5.7 percent of original size [2021-03-25 17:42:29,220 INFO L147 QuantifierPusher]: treesize reduction 7, result has 70.8 percent of original size 17 [2021-03-25 17:42:29,240 INFO L142 QuantifierPusher]: treesize reduction 406, result has 20.1 percent of original size [2021-03-25 17:42:29,240 INFO L147 QuantifierPusher]: treesize reduction 7, result has 93.1 percent of original size 95 [2021-03-25 17:42:29,286 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-03-25 17:42:29,287 INFO L147 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size 25 [2021-03-25 17:42:29,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:29,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044971609] [2021-03-25 17:42:29,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448674542] [2021-03-25 17:42:29,362 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 [2021-03-25 17:42:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:29,379 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:42:29,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:42:29,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,397 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:42:29,397 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:42:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:29,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:29,429 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 [2021-03-25 17:42:29,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:29,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:29,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:29,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:29,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:29,435 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:42:29,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:29,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:29,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:29,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:29,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:29,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:29,453 INFO L147 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size 102 [2021-03-25 17:42:29,453 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-25 17:42:29,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:42:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-25 17:42:29,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:42:29,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:29,561 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-03-25 17:42:29,563 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 [2021-03-25 17:42:29,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-03-25 17:42:29,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-03-25 17:42:29,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:29,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-25 17:42:29,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:29,604 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:131 [2021-03-25 17:42:29,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-25 17:42:29,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-25 17:42:29,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:42:29,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:42:29,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:42:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:42:29,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:29,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:42:29,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:42:29,666 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 [2021-03-25 17:42:29,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:42:29,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:42:29,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:29,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:42:29,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:29,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2021-03-25 17:42:29,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:42:29,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:29,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-25 17:42:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:29,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:42:29,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:42:29,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254918582] [2021-03-25 17:42:29,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:42:29,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:29,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:42:29,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:42:29,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 172 [2021-03-25 17:42:29,759 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) [2021-03-25 17:42:29,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:29,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 172 [2021-03-25 17:42:29,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:33,012 INFO L129 PetriNetUnfolder]: 1054/2314 cut-off events. [2021-03-25 17:42:33,012 INFO L130 PetriNetUnfolder]: For 290503/292869 co-relation queries the response was YES. [2021-03-25 17:42:33,046 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. [2021-03-25 17:42:33,065 INFO L132 encePairwiseOnDemand]: 146/172 looper letters, 1037 selfloop transitions, 168 changer transitions 1/1209 dead transitions. [2021-03-25 17:42:33,066 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 1209 transitions, 49015 flow [2021-03-25 17:42:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:42:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:42:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 155 transitions. [2021-03-25 17:42:33,067 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0750968992248062 [2021-03-25 17:42:33,067 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 155 transitions. [2021-03-25 17:42:33,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 155 transitions. [2021-03-25 17:42:33,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:33,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 155 transitions. [2021-03-25 17:42:33,067 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) [2021-03-25 17:42:33,068 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) [2021-03-25 17:42:33,068 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) [2021-03-25 17:42:33,068 INFO L185 Difference]: Start difference. First operand has 485 places, 1188 transitions, 45440 flow. Second operand 12 states and 155 transitions. [2021-03-25 17:42:33,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 1209 transitions, 49015 flow [2021-03-25 17:42:34,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 1209 transitions, 48731 flow, removed 76 selfloop flow, removed 3 redundant places. [2021-03-25 17:42:34,362 INFO L241 Difference]: Finished difference. Result has 499 places, 1207 transitions, 46640 flow [2021-03-25 17:42:34,363 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} [2021-03-25 17:42:34,363 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 482 predicate places. [2021-03-25 17:42:34,363 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:34,363 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 499 places, 1207 transitions, 46640 flow [2021-03-25 17:42:34,363 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 499 places, 1207 transitions, 46640 flow [2021-03-25 17:42:34,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 499 places, 1207 transitions, 46640 flow [2021-03-25 17:42:35,059 INFO L129 PetriNetUnfolder]: 1054/2314 cut-off events. [2021-03-25 17:42:35,059 INFO L130 PetriNetUnfolder]: For 300657/301083 co-relation queries the response was YES. [2021-03-25 17:42:35,091 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. [2021-03-25 17:42:35,128 INFO L142 LiptonReduction]: Number of co-enabled transitions 2450 [2021-03-25 17:42:35,797 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-25 17:42:36,470 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-25 17:42:36,755 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-25 17:42:37,491 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-25 17:42:37,896 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-25 17:42:38,628 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-25 17:42:39,258 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-25 17:42:39,259 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 17:42:39,259 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4896 [2021-03-25 17:42:39,259 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 1204 transitions, 46663 flow [2021-03-25 17:42:39,259 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) [2021-03-25 17:42:39,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:39,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:42:39,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-03-25 17:42:39,459 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:39,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:39,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1236719875, now seen corresponding path program 1 times [2021-03-25 17:42:39,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:39,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966530913] [2021-03-25 17:42:39,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:39,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:39,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:39,489 INFO L142 QuantifierPusher]: treesize reduction 158, result has 33.9 percent of original size [2021-03-25 17:42:39,490 INFO L147 QuantifierPusher]: treesize reduction 28, result has 65.4 percent of original size 53 [2021-03-25 17:42:39,566 INFO L142 QuantifierPusher]: treesize reduction 155, result has 47.5 percent of original size [2021-03-25 17:42:39,567 INFO L147 QuantifierPusher]: treesize reduction 39, result has 72.1 percent of original size 101 [2021-03-25 17:42:39,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:39,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:39,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966530913] [2021-03-25 17:42:39,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422516715] [2021-03-25 17:42:39,692 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 [2021-03-25 17:42:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:39,707 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:42:39,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:42:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,724 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:42:39,724 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:42:39,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,757 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:42:39,758 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:42:39,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:39,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:42:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:42:39,782 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 [2021-03-25 17:42:39,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:39,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:39,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:39,789 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:39,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:39,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:42:39,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:39,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:42:39,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:39,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:42:39,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:42:39,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:39,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:42:39,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:42:39,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:39,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:42:39,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:42:39,818 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 [2021-03-25 17:42:39,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:42:39,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:42:39,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:39,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:42:39,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:39,842 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:54 [2021-03-25 17:42:39,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:42:39,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:39,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:42:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:39,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:42:39,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:42:39,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199541707] [2021-03-25 17:42:39,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:42:39,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:39,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:42:39,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:42:39,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 178 [2021-03-25 17:42:39,878 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) [2021-03-25 17:42:39,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:39,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 178 [2021-03-25 17:42:39,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:43,440 INFO L129 PetriNetUnfolder]: 1064/2337 cut-off events. [2021-03-25 17:42:43,440 INFO L130 PetriNetUnfolder]: For 301079/302445 co-relation queries the response was YES. [2021-03-25 17:42:43,472 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. [2021-03-25 17:42:43,491 INFO L132 encePairwiseOnDemand]: 128/178 looper letters, 939 selfloop transitions, 286 changer transitions 3/1231 dead transitions. [2021-03-25 17:42:43,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1231 transitions, 50532 flow [2021-03-25 17:42:43,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 17:42:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 17:42:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 200 transitions. [2021-03-25 17:42:43,493 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0702247191011236 [2021-03-25 17:42:43,493 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 200 transitions. [2021-03-25 17:42:43,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 200 transitions. [2021-03-25 17:42:43,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:43,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 200 transitions. [2021-03-25 17:42:43,493 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) [2021-03-25 17:42:43,495 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) [2021-03-25 17:42:43,495 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) [2021-03-25 17:42:43,495 INFO L185 Difference]: Start difference. First operand has 497 places, 1204 transitions, 46663 flow. Second operand 16 states and 200 transitions. [2021-03-25 17:42:43,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1231 transitions, 50532 flow [2021-03-25 17:42:45,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 1231 transitions, 50220 flow, removed 144 selfloop flow, removed 4 redundant places. [2021-03-25 17:42:45,139 INFO L241 Difference]: Finished difference. Result has 515 places, 1227 transitions, 48443 flow [2021-03-25 17:42:45,140 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} [2021-03-25 17:42:45,140 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 498 predicate places. [2021-03-25 17:42:45,140 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:45,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 1227 transitions, 48443 flow [2021-03-25 17:42:45,141 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 1227 transitions, 48443 flow [2021-03-25 17:42:45,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 1227 transitions, 48443 flow [2021-03-25 17:42:46,023 INFO L129 PetriNetUnfolder]: 1064/2334 cut-off events. [2021-03-25 17:42:46,023 INFO L130 PetriNetUnfolder]: For 317687/318144 co-relation queries the response was YES. [2021-03-25 17:42:46,055 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. [2021-03-25 17:42:46,095 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-25 17:42:46,977 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-25 17:42:47,674 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-25 17:42:48,252 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-25 17:42:49,620 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 17:42:49,621 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 17:42:49,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4481 [2021-03-25 17:42:49,621 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 1222 transitions, 48306 flow [2021-03-25 17:42:49,621 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) [2021-03-25 17:42:49,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:49,621 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:42:49,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:42:49,821 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:49,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:49,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1663021895, now seen corresponding path program 1 times [2021-03-25 17:42:49,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:49,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163676846] [2021-03-25 17:42:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:49,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:49,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:49,843 INFO L142 QuantifierPusher]: treesize reduction 354, result has 43.8 percent of original size [2021-03-25 17:42:49,845 INFO L147 QuantifierPusher]: treesize reduction 60, result has 78.3 percent of original size 216 [2021-03-25 17:42:49,996 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 66 [2021-03-25 17:42:49,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:49,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:50,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:50,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163676846] [2021-03-25 17:42:50,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:42:50,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:42:50,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428530003] [2021-03-25 17:42:50,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:42:50,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:50,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:42:50,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:42:50,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 186 [2021-03-25 17:42:50,006 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) [2021-03-25 17:42:50,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:50,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 186 [2021-03-25 17:42:50,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:52,497 INFO L129 PetriNetUnfolder]: 1062/2331 cut-off events. [2021-03-25 17:42:52,497 INFO L130 PetriNetUnfolder]: For 322863/329881 co-relation queries the response was YES. [2021-03-25 17:42:52,527 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. [2021-03-25 17:42:52,548 INFO L132 encePairwiseOnDemand]: 159/186 looper letters, 1069 selfloop transitions, 148 changer transitions 5/1225 dead transitions. [2021-03-25 17:42:52,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1225 transitions, 50907 flow [2021-03-25 17:42:52,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:42:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:42:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions. [2021-03-25 17:42:52,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.10752688172043011 [2021-03-25 17:42:52,549 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 100 transitions. [2021-03-25 17:42:52,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 100 transitions. [2021-03-25 17:42:52,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:52,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 100 transitions. [2021-03-25 17:42:52,549 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) [2021-03-25 17:42:52,550 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) [2021-03-25 17:42:52,550 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) [2021-03-25 17:42:52,550 INFO L185 Difference]: Start difference. First operand has 511 places, 1222 transitions, 48306 flow. Second operand 5 states and 100 transitions. [2021-03-25 17:42:52,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 1225 transitions, 50907 flow [2021-03-25 17:42:53,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 1225 transitions, 50447 flow, removed 121 selfloop flow, removed 10 redundant places. [2021-03-25 17:42:53,878 INFO L241 Difference]: Finished difference. Result has 506 places, 1219 transitions, 47975 flow [2021-03-25 17:42:53,879 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} [2021-03-25 17:42:53,879 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 489 predicate places. [2021-03-25 17:42:53,879 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:53,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 1219 transitions, 47975 flow [2021-03-25 17:42:53,879 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 1219 transitions, 47975 flow [2021-03-25 17:42:53,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 1219 transitions, 47975 flow [2021-03-25 17:42:54,591 INFO L129 PetriNetUnfolder]: 1061/2326 cut-off events. [2021-03-25 17:42:54,591 INFO L130 PetriNetUnfolder]: For 310302/310958 co-relation queries the response was YES. [2021-03-25 17:42:54,624 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. [2021-03-25 17:42:54,662 INFO L142 LiptonReduction]: Number of co-enabled transitions 2472 [2021-03-25 17:42:54,969 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:42:54,969 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:42:54,969 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1090 [2021-03-25 17:42:54,969 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 1219 transitions, 47975 flow [2021-03-25 17:42:54,969 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) [2021-03-25 17:42:54,969 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:42:54,969 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:42:54,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-25 17:42:54,969 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:42:54,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:42:54,970 INFO L82 PathProgramCache]: Analyzing trace with hash -144276514, now seen corresponding path program 1 times [2021-03-25 17:42:54,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:42:54,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114217748] [2021-03-25 17:42:54,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:42:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:54,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:54,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:54,985 INFO L142 QuantifierPusher]: treesize reduction 210, result has 5.0 percent of original size [2021-03-25 17:42:54,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:54,991 INFO L142 QuantifierPusher]: treesize reduction 30, result has 76.6 percent of original size [2021-03-25 17:42:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:42:55,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:42:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:55,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114217748] [2021-03-25 17:42:55,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030766351] [2021-03-25 17:42:55,036 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 [2021-03-25 17:42:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:42:55,048 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:42:55,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:42:55,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,064 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:42:55,064 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:42:55,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:42:55,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:42:55,079 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size 59 [2021-03-25 17:42:55,079 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-25 17:42:55,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:42:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:42:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:42:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:42:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,116 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 [2021-03-25 17:42:55,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:42:55,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:42:55,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:55,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:42:55,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:42:55,139 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:75 [2021-03-25 17:42:55,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:42:55,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:42:55,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:42:55,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-25 17:42:55,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-25 17:42:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-25 17:42:55,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:42:55,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:42:55,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:42:55,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-25 17:42:55,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-25 17:42:55,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-25 17:42:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:42:55,297 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-03-25 17:42:55,298 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 [2021-03-25 17:42:55,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-25 17:42:55,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-25 17:42:55,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:42:55,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:55,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-03-25 17:42:55,355 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. [2021-03-25 17:42:55,355 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:116, output treesize:137 [2021-03-25 17:42:55,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:55,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-03-25 17:42:55,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:42:55,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:42:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:42:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-03-25 17:42:55,552 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-03-25 17:42:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:42:55,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:42:55,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:42:55,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709883301] [2021-03-25 17:42:55,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:42:55,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:42:55,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:42:55,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:42:55,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 186 [2021-03-25 17:42:55,553 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) [2021-03-25 17:42:55,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:42:55,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 186 [2021-03-25 17:42:55,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:42:56,298 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-03-25 17:42:57,775 INFO L129 PetriNetUnfolder]: 1061/2328 cut-off events. [2021-03-25 17:42:57,775 INFO L130 PetriNetUnfolder]: For 313446/315053 co-relation queries the response was YES. [2021-03-25 17:42:57,807 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. [2021-03-25 17:42:57,827 INFO L132 encePairwiseOnDemand]: 148/186 looper letters, 997 selfloop transitions, 218 changer transitions 4/1222 dead transitions. [2021-03-25 17:42:57,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 1222 transitions, 50576 flow [2021-03-25 17:42:57,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:42:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:42:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 120 transitions. [2021-03-25 17:42:57,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08064516129032258 [2021-03-25 17:42:57,829 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 120 transitions. [2021-03-25 17:42:57,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 120 transitions. [2021-03-25 17:42:57,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:42:57,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 120 transitions. [2021-03-25 17:42:57,830 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) [2021-03-25 17:42:57,830 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) [2021-03-25 17:42:57,830 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) [2021-03-25 17:42:57,830 INFO L185 Difference]: Start difference. First operand has 503 places, 1219 transitions, 47975 flow. Second operand 8 states and 120 transitions. [2021-03-25 17:42:57,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 1222 transitions, 50576 flow [2021-03-25 17:42:59,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 1222 transitions, 50136 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-25 17:42:59,207 INFO L241 Difference]: Finished difference. Result has 505 places, 1217 transitions, 47865 flow [2021-03-25 17:42:59,207 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} [2021-03-25 17:42:59,207 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 488 predicate places. [2021-03-25 17:42:59,208 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:42:59,208 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 1217 transitions, 47865 flow [2021-03-25 17:42:59,208 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 1217 transitions, 47865 flow [2021-03-25 17:42:59,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 1217 transitions, 47865 flow [2021-03-25 17:42:59,971 INFO L129 PetriNetUnfolder]: 1060/2324 cut-off events. [2021-03-25 17:42:59,971 INFO L130 PetriNetUnfolder]: For 307112/307873 co-relation queries the response was YES. [2021-03-25 17:43:00,000 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. [2021-03-25 17:43:00,038 INFO L142 LiptonReduction]: Number of co-enabled transitions 2468 [2021-03-25 17:43:00,274 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:43:00,274 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:43:00,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1066 [2021-03-25 17:43:00,275 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 1217 transitions, 47865 flow [2021-03-25 17:43:00,275 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) [2021-03-25 17:43:00,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:43:00,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:43:00,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:43:00,475 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:43:00,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:43:00,475 INFO L82 PathProgramCache]: Analyzing trace with hash -521514936, now seen corresponding path program 1 times [2021-03-25 17:43:00,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:43:00,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191037946] [2021-03-25 17:43:00,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:43:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:00,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:00,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:00,501 INFO L142 QuantifierPusher]: treesize reduction 323, result has 34.2 percent of original size [2021-03-25 17:43:00,502 INFO L147 QuantifierPusher]: treesize reduction 61, result has 63.7 percent of original size 107 [2021-03-25 17:43:00,680 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-03-25 17:43:00,685 INFO L142 QuantifierPusher]: treesize reduction 346, result has 41.6 percent of original size [2021-03-25 17:43:00,686 INFO L147 QuantifierPusher]: treesize reduction 46, result has 81.3 percent of original size 200 [2021-03-25 17:43:00,816 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2021-03-25 17:43:00,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:00,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191037946] [2021-03-25 17:43:00,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633245311] [2021-03-25 17:43:00,825 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 [2021-03-25 17:43:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:00,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:43:00,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:43:00,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:00,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:00,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:00,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:00,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:00,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:00,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:00,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:00,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:00,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:00,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:00,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:00,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:00,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:00,893 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 [2021-03-25 17:43:00,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:00,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:00,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:00,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:00,899 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:00,899 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:43:00,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:00,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:00,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:00,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:00,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:00,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:00,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:43:00,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:00,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:43:00,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:00,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:43:00,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:43:00,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-25 17:43:00,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:43:00,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:00,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:00,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:43:00,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:00,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:00,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:01,050 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-03-25 17:43:01,051 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 [2021-03-25 17:43:01,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-25 17:43:01,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-25 17:43:01,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:01,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:01,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-03-25 17:43:01,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-25 17:43:01,095 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. [2021-03-25 17:43:01,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:103, output treesize:136 [2021-03-25 17:43:01,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:01,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-03-25 17:43:01,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-25 17:43:01,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:01,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:01,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-03-25 17:43:01,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-25 17:43:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:01,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:43:01,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:43:01,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687827249] [2021-03-25 17:43:01,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:43:01,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:43:01,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:43:01,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:43:01,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 186 [2021-03-25 17:43:01,124 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) [2021-03-25 17:43:01,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:43:01,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 186 [2021-03-25 17:43:01,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:43:02,971 INFO L129 PetriNetUnfolder]: 1061/2326 cut-off events. [2021-03-25 17:43:02,971 INFO L130 PetriNetUnfolder]: For 309639/310761 co-relation queries the response was YES. [2021-03-25 17:43:03,006 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. [2021-03-25 17:43:03,025 INFO L132 encePairwiseOnDemand]: 158/186 looper letters, 1171 selfloop transitions, 46 changer transitions 0/1220 dead transitions. [2021-03-25 17:43:03,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 1220 transitions, 50500 flow [2021-03-25 17:43:03,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:43:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:43:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 112 transitions. [2021-03-25 17:43:03,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08602150537634409 [2021-03-25 17:43:03,026 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 112 transitions. [2021-03-25 17:43:03,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 112 transitions. [2021-03-25 17:43:03,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:43:03,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 112 transitions. [2021-03-25 17:43:03,026 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) [2021-03-25 17:43:03,027 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) [2021-03-25 17:43:03,027 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) [2021-03-25 17:43:03,027 INFO L185 Difference]: Start difference. First operand has 502 places, 1217 transitions, 47865 flow. Second operand 7 states and 112 transitions. [2021-03-25 17:43:03,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 1220 transitions, 50500 flow [2021-03-25 17:43:04,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 1220 transitions, 50060 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-03-25 17:43:04,439 INFO L241 Difference]: Finished difference. Result has 503 places, 1219 transitions, 47649 flow [2021-03-25 17:43:04,440 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} [2021-03-25 17:43:04,440 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 486 predicate places. [2021-03-25 17:43:04,440 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:43:04,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 503 places, 1219 transitions, 47649 flow [2021-03-25 17:43:04,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 503 places, 1219 transitions, 47649 flow [2021-03-25 17:43:04,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 1219 transitions, 47649 flow [2021-03-25 17:43:05,183 INFO L129 PetriNetUnfolder]: 1061/2326 cut-off events. [2021-03-25 17:43:05,183 INFO L130 PetriNetUnfolder]: For 311077/312371 co-relation queries the response was YES. [2021-03-25 17:43:05,216 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. [2021-03-25 17:43:05,255 INFO L142 LiptonReduction]: Number of co-enabled transitions 2472 [2021-03-25 17:43:05,912 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:43:05,912 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:43:05,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1472 [2021-03-25 17:43:05,912 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 1218 transitions, 47589 flow [2021-03-25 17:43:05,912 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) [2021-03-25 17:43:05,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:43:05,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:43:06,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-03-25 17:43:06,113 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:43:06,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:43:06,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1012906650, now seen corresponding path program 1 times [2021-03-25 17:43:06,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:43:06,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182660509] [2021-03-25 17:43:06,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:43:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:06,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:06,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:06,152 INFO L142 QuantifierPusher]: treesize reduction 330, result has 33.5 percent of original size [2021-03-25 17:43:06,154 INFO L147 QuantifierPusher]: treesize reduction 54, result has 67.5 percent of original size 112 [2021-03-25 17:43:06,320 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2021-03-25 17:43:06,326 INFO L142 QuantifierPusher]: treesize reduction 337, result has 43.6 percent of original size [2021-03-25 17:43:06,328 INFO L147 QuantifierPusher]: treesize reduction 55, result has 78.8 percent of original size 205 [2021-03-25 17:43:06,523 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 63 [2021-03-25 17:43:06,524 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:43:06,524 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:43:06,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:06,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182660509] [2021-03-25 17:43:06,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577647210] [2021-03-25 17:43:06,555 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 [2021-03-25 17:43:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:06,568 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:43:06,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:43:06,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:06,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:06,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:06,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:06,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:06,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:06,617 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 [2021-03-25 17:43:06,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:06,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:06,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:06,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:06,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:06,623 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:43:06,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:06,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:06,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:06,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:06,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:43:06,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:43:06,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:43:06,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:43:06,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:43:06,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:43:06,653 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 [2021-03-25 17:43:06,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:43:06,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:43:06,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:06,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:43:06,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:06,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:102 [2021-03-25 17:43:06,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:43:06,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:43:06,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:06,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:06,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:06,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:06,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:43:06,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:06,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 17:43:06,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-25 17:43:06,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:06,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:06,810 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 [2021-03-25 17:43:06,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-25 17:43:06,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-25 17:43:06,813 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:06,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:06,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-25 17:43:06,854 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. [2021-03-25 17:43:06,854 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:108, output treesize:107 [2021-03-25 17:43:06,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:06,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-25 17:43:06,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:06,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:06,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:06,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-25 17:43:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:06,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:43:06,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:43:06,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752089700] [2021-03-25 17:43:06,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:43:06,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:43:06,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:43:06,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:43:06,917 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 186 [2021-03-25 17:43:06,917 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) [2021-03-25 17:43:06,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:43:06,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 186 [2021-03-25 17:43:06,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:43:09,868 INFO L129 PetriNetUnfolder]: 1073/2356 cut-off events. [2021-03-25 17:43:09,868 INFO L130 PetriNetUnfolder]: For 321255/326747 co-relation queries the response was YES. [2021-03-25 17:43:09,901 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. [2021-03-25 17:43:09,921 INFO L132 encePairwiseOnDemand]: 153/186 looper letters, 997 selfloop transitions, 241 changer transitions 9/1250 dead transitions. [2021-03-25 17:43:09,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 1250 transitions, 51809 flow [2021-03-25 17:43:09,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:43:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:43:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 160 transitions. [2021-03-25 17:43:09,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07168458781362007 [2021-03-25 17:43:09,923 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 160 transitions. [2021-03-25 17:43:09,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 160 transitions. [2021-03-25 17:43:09,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:43:09,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 160 transitions. [2021-03-25 17:43:09,924 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) [2021-03-25 17:43:09,925 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) [2021-03-25 17:43:09,925 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) [2021-03-25 17:43:09,925 INFO L185 Difference]: Start difference. First operand has 503 places, 1218 transitions, 47589 flow. Second operand 12 states and 160 transitions. [2021-03-25 17:43:09,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 1250 transitions, 51809 flow [2021-03-25 17:43:11,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 1250 transitions, 51577 flow, removed 66 selfloop flow, removed 5 redundant places. [2021-03-25 17:43:11,365 INFO L241 Difference]: Finished difference. Result has 515 places, 1230 transitions, 48723 flow [2021-03-25 17:43:11,365 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} [2021-03-25 17:43:11,365 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 498 predicate places. [2021-03-25 17:43:11,365 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:43:11,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 1230 transitions, 48723 flow [2021-03-25 17:43:11,366 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 1230 transitions, 48723 flow [2021-03-25 17:43:11,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 1230 transitions, 48723 flow [2021-03-25 17:43:12,175 INFO L129 PetriNetUnfolder]: 1071/2347 cut-off events. [2021-03-25 17:43:12,175 INFO L130 PetriNetUnfolder]: For 326797/328091 co-relation queries the response was YES. [2021-03-25 17:43:12,214 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. [2021-03-25 17:43:12,255 INFO L142 LiptonReduction]: Number of co-enabled transitions 2496 [2021-03-25 17:43:12,999 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-25 17:43:13,318 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-25 17:43:13,962 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:43:13,962 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:43:13,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2597 [2021-03-25 17:43:13,963 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 1230 transitions, 48832 flow [2021-03-25 17:43:13,963 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) [2021-03-25 17:43:13,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:43:13,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:43:14,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-03-25 17:43:14,168 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:43:14,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:43:14,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1213206840, now seen corresponding path program 1 times [2021-03-25 17:43:14,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:43:14,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043909255] [2021-03-25 17:43:14,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:43:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:14,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:14,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:14,188 INFO L142 QuantifierPusher]: treesize reduction 158, result has 35.2 percent of original size [2021-03-25 17:43:14,189 INFO L147 QuantifierPusher]: treesize reduction 28, result has 67.4 percent of original size 58 [2021-03-25 17:43:14,274 INFO L142 QuantifierPusher]: treesize reduction 160, result has 46.7 percent of original size [2021-03-25 17:43:14,275 INFO L147 QuantifierPusher]: treesize reduction 34, result has 75.7 percent of original size 106 [2021-03-25 17:43:14,377 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:43:14,378 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:43:14,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:14,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043909255] [2021-03-25 17:43:14,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591662301] [2021-03-25 17:43:14,402 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 [2021-03-25 17:43:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:14,414 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:43:14,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:43:14,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,429 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:43:14,429 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:43:14,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:14,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:14,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:14,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:14,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:14,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:14,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:14,462 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 [2021-03-25 17:43:14,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:14,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:14,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:14,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:14,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:14,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:43:14,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:14,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:14,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:43:14,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:43:14,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:43:14,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:43:14,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:43:14,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:43:14,490 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 [2021-03-25 17:43:14,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:43:14,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:43:14,494 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:14,512 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:43:14,514 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:14,514 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:57 [2021-03-25 17:43:14,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:43:14,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:43:14,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:43:14,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:43:14,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:43:14,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:43:14,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:43:14,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:14,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:43:14,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:43:14,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:43:14,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:43:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:14,567 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 [2021-03-25 17:43:14,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:43:14,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:43:14,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:14,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:14,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:43:14,601 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. [2021-03-25 17:43:14,601 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:63, output treesize:62 [2021-03-25 17:43:14,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:14,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:43:14,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:14,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:14,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:14,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:43:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:14,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:43:14,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:43:14,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463267639] [2021-03-25 17:43:14,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:43:14,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:43:14,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:43:14,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:43:14,640 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 188 [2021-03-25 17:43:14,641 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) [2021-03-25 17:43:14,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:43:14,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 188 [2021-03-25 17:43:14,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:43:18,212 INFO L129 PetriNetUnfolder]: 1081/2376 cut-off events. [2021-03-25 17:43:18,212 INFO L130 PetriNetUnfolder]: For 334883/341979 co-relation queries the response was YES. [2021-03-25 17:43:18,246 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. [2021-03-25 17:43:18,267 INFO L132 encePairwiseOnDemand]: 138/188 looper letters, 938 selfloop transitions, 305 changer transitions 22/1268 dead transitions. [2021-03-25 17:43:18,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 1268 transitions, 53363 flow [2021-03-25 17:43:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:43:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:43:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 162 transitions. [2021-03-25 17:43:18,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07180851063829788 [2021-03-25 17:43:18,269 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 162 transitions. [2021-03-25 17:43:18,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 162 transitions. [2021-03-25 17:43:18,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:43:18,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 162 transitions. [2021-03-25 17:43:18,270 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) [2021-03-25 17:43:18,271 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) [2021-03-25 17:43:18,271 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) [2021-03-25 17:43:18,271 INFO L185 Difference]: Start difference. First operand has 511 places, 1230 transitions, 48832 flow. Second operand 12 states and 162 transitions. [2021-03-25 17:43:18,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 1268 transitions, 53363 flow [2021-03-25 17:43:19,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1268 transitions, 53051 flow, removed 74 selfloop flow, removed 7 redundant places. [2021-03-25 17:43:19,767 INFO L241 Difference]: Finished difference. Result has 519 places, 1229 transitions, 49257 flow [2021-03-25 17:43:19,768 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} [2021-03-25 17:43:19,768 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 502 predicate places. [2021-03-25 17:43:19,768 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:43:19,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 519 places, 1229 transitions, 49257 flow [2021-03-25 17:43:19,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 519 places, 1229 transitions, 49257 flow [2021-03-25 17:43:19,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 513 places, 1229 transitions, 49257 flow [2021-03-25 17:43:20,554 INFO L129 PetriNetUnfolder]: 1075/2353 cut-off events. [2021-03-25 17:43:20,554 INFO L130 PetriNetUnfolder]: For 329803/330516 co-relation queries the response was YES. [2021-03-25 17:43:20,586 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. [2021-03-25 17:43:20,626 INFO L142 LiptonReduction]: Number of co-enabled transitions 2494 [2021-03-25 17:43:20,924 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:43:20,924 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:43:20,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1156 [2021-03-25 17:43:20,924 INFO L480 AbstractCegarLoop]: Abstraction has has 513 places, 1229 transitions, 49257 flow [2021-03-25 17:43:20,924 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) [2021-03-25 17:43:20,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:43:20,925 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:43:21,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:43:21,125 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:43:21,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:43:21,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1212708329, now seen corresponding path program 1 times [2021-03-25 17:43:21,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:43:21,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180629407] [2021-03-25 17:43:21,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:43:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:21,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:21,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:21,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:21,146 INFO L142 QuantifierPusher]: treesize reduction 172, result has 28.0 percent of original size [2021-03-25 17:43:21,147 INFO L147 QuantifierPusher]: treesize reduction 14, result has 79.1 percent of original size 53 [2021-03-25 17:43:21,197 INFO L142 QuantifierPusher]: treesize reduction 162, result has 45.1 percent of original size [2021-03-25 17:43:21,198 INFO L147 QuantifierPusher]: treesize reduction 32, result has 75.9 percent of original size 101 [2021-03-25 17:43:21,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:21,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180629407] [2021-03-25 17:43:21,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382715933] [2021-03-25 17:43:21,287 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) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:43:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:21,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:43:21,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:43:21,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:21,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:21,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:21,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:21,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:21,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:21,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:21,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:21,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:21,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:21,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:21,365 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 [2021-03-25 17:43:21,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:21,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:21,366 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:21,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:21,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:21,371 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:43:21,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:21,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:21,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:43:21,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:43:21,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:43:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:43:21,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:43:21,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:43:21,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:43:21,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:43:21,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:43:21,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:43:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:21,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-03-25 17:43:21,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:43:21,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:43:21,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:21,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:43:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:43:21,452 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. [2021-03-25 17:43:21,452 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:73 [2021-03-25 17:43:21,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:43:21,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:43:21,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:21,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:21,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:43:21,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:43:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:21,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:43:21,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:43:21,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99692920] [2021-03-25 17:43:21,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:43:21,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:43:21,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:43:21,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:43:21,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 188 [2021-03-25 17:43:21,475 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) [2021-03-25 17:43:21,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:43:21,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 188 [2021-03-25 17:43:21,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:43:24,967 INFO L129 PetriNetUnfolder]: 1111/2437 cut-off events. [2021-03-25 17:43:24,967 INFO L130 PetriNetUnfolder]: For 350548/357075 co-relation queries the response was YES. [2021-03-25 17:43:25,003 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. [2021-03-25 17:43:25,023 INFO L132 encePairwiseOnDemand]: 147/188 looper letters, 964 selfloop transitions, 340 changer transitions 1/1308 dead transitions. [2021-03-25 17:43:25,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 1308 transitions, 55389 flow [2021-03-25 17:43:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 17:43:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 17:43:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 229 transitions. [2021-03-25 17:43:25,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0641097424412094 [2021-03-25 17:43:25,025 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 229 transitions. [2021-03-25 17:43:25,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 229 transitions. [2021-03-25 17:43:25,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:43:25,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 229 transitions. [2021-03-25 17:43:25,026 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) [2021-03-25 17:43:25,027 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) [2021-03-25 17:43:25,027 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) [2021-03-25 17:43:25,027 INFO L185 Difference]: Start difference. First operand has 513 places, 1229 transitions, 49257 flow. Second operand 19 states and 229 transitions. [2021-03-25 17:43:25,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 1308 transitions, 55389 flow [2021-03-25 17:43:26,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 1308 transitions, 54336 flow, removed 58 selfloop flow, removed 9 redundant places. [2021-03-25 17:43:26,638 INFO L241 Difference]: Finished difference. Result has 526 places, 1277 transitions, 51443 flow [2021-03-25 17:43:26,639 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} [2021-03-25 17:43:26,639 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 509 predicate places. [2021-03-25 17:43:26,639 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:43:26,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 1277 transitions, 51443 flow [2021-03-25 17:43:26,639 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 1277 transitions, 51443 flow [2021-03-25 17:43:26,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 1277 transitions, 51443 flow [2021-03-25 17:43:27,447 INFO L129 PetriNetUnfolder]: 1111/2437 cut-off events. [2021-03-25 17:43:27,447 INFO L130 PetriNetUnfolder]: For 347823/348998 co-relation queries the response was YES. [2021-03-25 17:43:27,484 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. [2021-03-25 17:43:27,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 2590 [2021-03-25 17:43:28,259 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 17:43:29,028 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 17:43:29,029 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 17:43:29,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2390 [2021-03-25 17:43:29,029 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 1272 transitions, 51144 flow [2021-03-25 17:43:29,029 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) [2021-03-25 17:43:29,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:43:29,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:43:29,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-03-25 17:43:29,229 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:43:29,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:43:29,230 INFO L82 PathProgramCache]: Analyzing trace with hash 553056296, now seen corresponding path program 1 times [2021-03-25 17:43:29,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:43:29,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273371737] [2021-03-25 17:43:29,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:43:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:29,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:29,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:29,255 INFO L142 QuantifierPusher]: treesize reduction 308, result has 37.9 percent of original size [2021-03-25 17:43:29,257 INFO L147 QuantifierPusher]: treesize reduction 183, result has 2.7 percent of original size 5 [2021-03-25 17:43:29,386 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 5 [2021-03-25 17:43:29,392 INFO L142 QuantifierPusher]: treesize reduction 350, result has 41.4 percent of original size [2021-03-25 17:43:29,393 INFO L147 QuantifierPusher]: treesize reduction 54, result has 78.1 percent of original size 193 [2021-03-25 17:43:29,536 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2021-03-25 17:43:29,537 INFO L142 QuantifierPusher]: treesize reduction 18, result has 41.9 percent of original size [2021-03-25 17:43:29,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:43:29,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:29,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273371737] [2021-03-25 17:43:29,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014420371] [2021-03-25 17:43:29,556 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 [2021-03-25 17:43:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:29,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:43:29,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:43:29,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:29,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:29,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:29,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:29,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:29,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:29,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:29,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:29,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:29,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:29,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:29,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:29,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:29,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:29,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:29,624 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 [2021-03-25 17:43:29,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:29,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:29,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:29,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:29,631 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:29,631 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:43:29,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:29,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:29,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:29,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:29,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:29,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:29,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:29,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:29,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:29,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:29,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:43:29,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:43:29,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-25 17:43:29,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-25 17:43:29,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-25 17:43:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:29,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,784 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-03-25 17:43:29,785 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 [2021-03-25 17:43:29,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-25 17:43:29,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-25 17:43:29,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:29,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 17:43:29,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-03-25 17:43:29,835 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. [2021-03-25 17:43:29,835 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:108, output treesize:141 [2021-03-25 17:43:29,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 17:43:29,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-03-25 17:43:29,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 17:43:29,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-03-25 17:43:29,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-03-25 17:43:29,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-03-25 17:43:29,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-03-25 17:43:29,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-03-25 17:43:29,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:29,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:43:29,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-03-25 17:43:29,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-03-25 17:43:29,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 17:43:29,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-25 17:43:29,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:29,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:29,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-03-25 17:43:29,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-03-25 17:43:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:29,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:30,020 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-03-25 17:43:30,231 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 91 [2021-03-25 17:43:30,231 INFO L354 Elim1Store]: treesize reduction 354, result has 26.1 percent of original size [2021-03-25 17:43:30,232 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 [2021-03-25 17:43:30,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-03-25 17:43:30,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-03-25 17:43:30,239 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:30,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:30,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:30,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 17:43:30,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-25 17:43:30,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-25 17:43:30,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-03-25 17:43:30,293 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. [2021-03-25 17:43:30,294 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:147, output treesize:146 [2021-03-25 17:43:30,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:30,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:30,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 17:43:30,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-25 17:43:30,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-25 17:43:30,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-03-25 17:43:30,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:30,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:30,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-25 17:43:30,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-03-25 17:43:30,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:30,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:43:30,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:43:30,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510649018] [2021-03-25 17:43:30,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:43:30,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:43:30,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:43:30,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:43:30,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 190 [2021-03-25 17:43:30,339 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) [2021-03-25 17:43:30,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:43:30,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 190 [2021-03-25 17:43:30,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:43:33,668 INFO L129 PetriNetUnfolder]: 1125/2463 cut-off events. [2021-03-25 17:43:33,668 INFO L130 PetriNetUnfolder]: For 360037/364660 co-relation queries the response was YES. [2021-03-25 17:43:33,702 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. [2021-03-25 17:43:33,723 INFO L132 encePairwiseOnDemand]: 159/190 looper letters, 1104 selfloop transitions, 196 changer transitions 0/1303 dead transitions. [2021-03-25 17:43:33,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 1303 transitions, 55181 flow [2021-03-25 17:43:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:43:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:43:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 159 transitions. [2021-03-25 17:43:33,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06973684210526315 [2021-03-25 17:43:33,725 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 159 transitions. [2021-03-25 17:43:33,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 159 transitions. [2021-03-25 17:43:33,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:43:33,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 159 transitions. [2021-03-25 17:43:33,726 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) [2021-03-25 17:43:33,727 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) [2021-03-25 17:43:33,727 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) [2021-03-25 17:43:33,727 INFO L185 Difference]: Start difference. First operand has 524 places, 1272 transitions, 51144 flow. Second operand 12 states and 159 transitions. [2021-03-25 17:43:33,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 1303 transitions, 55181 flow [2021-03-25 17:43:35,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 1303 transitions, 55014 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-03-25 17:43:35,241 INFO L241 Difference]: Finished difference. Result has 528 places, 1290 transitions, 52340 flow [2021-03-25 17:43:35,242 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} [2021-03-25 17:43:35,242 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 511 predicate places. [2021-03-25 17:43:35,242 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:43:35,242 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 528 places, 1290 transitions, 52340 flow [2021-03-25 17:43:35,242 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 528 places, 1290 transitions, 52340 flow [2021-03-25 17:43:35,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 528 places, 1290 transitions, 52340 flow [2021-03-25 17:43:36,080 INFO L129 PetriNetUnfolder]: 1125/2463 cut-off events. [2021-03-25 17:43:36,080 INFO L130 PetriNetUnfolder]: For 358793/359655 co-relation queries the response was YES. [2021-03-25 17:43:36,117 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. [2021-03-25 17:43:36,160 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-25 17:43:36,987 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:43:36,987 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:43:36,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1746 [2021-03-25 17:43:36,988 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 1288 transitions, 52273 flow [2021-03-25 17:43:36,988 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) [2021-03-25 17:43:36,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:43:36,988 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:43:37,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:43:37,188 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:43:37,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:43:37,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1212707771, now seen corresponding path program 1 times [2021-03-25 17:43:37,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:43:37,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809252293] [2021-03-25 17:43:37,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:43:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:37,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:37,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:37,222 INFO L142 QuantifierPusher]: treesize reduction 187, result has 31.3 percent of original size [2021-03-25 17:43:37,223 INFO L147 QuantifierPusher]: treesize reduction 21, result has 75.3 percent of original size 64 [2021-03-25 17:43:37,290 INFO L142 QuantifierPusher]: treesize reduction 196, result has 41.1 percent of original size [2021-03-25 17:43:37,290 INFO L147 QuantifierPusher]: treesize reduction 20, result has 85.4 percent of original size 117 [2021-03-25 17:43:37,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:37,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809252293] [2021-03-25 17:43:37,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656741681] [2021-03-25 17:43:37,387 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 [2021-03-25 17:43:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:37,399 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:43:37,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:43:37,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:37,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:37,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:37,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:37,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:37,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:37,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:37,462 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 [2021-03-25 17:43:37,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:37,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:37,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:37,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:37,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:37,469 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:43:37,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:37,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:37,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:43:37,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:43:37,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:43:37,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:43:37,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:43:37,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:43:37,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:43:37,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:43:37,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:43:37,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:43:37,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:37,511 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 [2021-03-25 17:43:37,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:43:37,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:43:37,513 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:37,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:37,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:43:37,537 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. [2021-03-25 17:43:37,537 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:69 [2021-03-25 17:43:37,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:37,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:43:37,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:37,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:37,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:37,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 17:43:39,581 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 48 [2021-03-25 17:43:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:39,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:43:39,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:43:39,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875337155] [2021-03-25 17:43:39,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:43:39,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:43:39,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:43:39,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:43:39,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 191 [2021-03-25 17:43:39,582 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) [2021-03-25 17:43:39,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:43:39,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 191 [2021-03-25 17:43:39,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:43:42,235 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-03-25 17:43:43,764 INFO L129 PetriNetUnfolder]: 1144/2509 cut-off events. [2021-03-25 17:43:43,764 INFO L130 PetriNetUnfolder]: For 367087/367869 co-relation queries the response was YES. [2021-03-25 17:43:43,801 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. [2021-03-25 17:43:43,823 INFO L132 encePairwiseOnDemand]: 141/191 looper letters, 982 selfloop transitions, 335 changer transitions 24/1344 dead transitions. [2021-03-25 17:43:43,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 1344 transitions, 57949 flow [2021-03-25 17:43:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 17:43:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 17:43:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 191 transitions. [2021-03-25 17:43:43,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06666666666666667 [2021-03-25 17:43:43,827 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 191 transitions. [2021-03-25 17:43:43,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 191 transitions. [2021-03-25 17:43:43,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:43:43,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 191 transitions. [2021-03-25 17:43:43,828 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) [2021-03-25 17:43:43,829 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) [2021-03-25 17:43:43,829 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) [2021-03-25 17:43:43,829 INFO L185 Difference]: Start difference. First operand has 526 places, 1288 transitions, 52273 flow. Second operand 15 states and 191 transitions. [2021-03-25 17:43:43,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 1344 transitions, 57949 flow [2021-03-25 17:43:45,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 1344 transitions, 57643 flow, removed 56 selfloop flow, removed 7 redundant places. [2021-03-25 17:43:45,735 INFO L241 Difference]: Finished difference. Result has 539 places, 1298 transitions, 53348 flow [2021-03-25 17:43:45,736 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} [2021-03-25 17:43:45,736 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 522 predicate places. [2021-03-25 17:43:45,736 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:43:45,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 539 places, 1298 transitions, 53348 flow [2021-03-25 17:43:45,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 539 places, 1298 transitions, 53348 flow [2021-03-25 17:43:45,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 1298 transitions, 53348 flow [2021-03-25 17:43:46,676 INFO L129 PetriNetUnfolder]: 1137/2484 cut-off events. [2021-03-25 17:43:46,676 INFO L130 PetriNetUnfolder]: For 365917/366330 co-relation queries the response was YES. [2021-03-25 17:43:46,712 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. [2021-03-25 17:43:46,754 INFO L142 LiptonReduction]: Number of co-enabled transitions 2632 [2021-03-25 17:43:47,016 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 17:43:47,860 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:43:47,861 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:43:47,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2125 [2021-03-25 17:43:47,861 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 1298 transitions, 53398 flow [2021-03-25 17:43:47,861 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) [2021-03-25 17:43:47,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:43:47,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:43:48,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-03-25 17:43:48,064 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:43:48,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:43:48,064 INFO L82 PathProgramCache]: Analyzing trace with hash 394876657, now seen corresponding path program 1 times [2021-03-25 17:43:48,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:43:48,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623249646] [2021-03-25 17:43:48,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:43:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:48,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:48,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:48,097 INFO L142 QuantifierPusher]: treesize reduction 329, result has 37.2 percent of original size [2021-03-25 17:43:48,099 INFO L147 QuantifierPusher]: treesize reduction 77, result has 60.5 percent of original size 118 [2021-03-25 17:43:48,309 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-03-25 17:43:48,316 INFO L142 QuantifierPusher]: treesize reduction 324, result has 48.6 percent of original size [2021-03-25 17:43:48,319 INFO L147 QuantifierPusher]: treesize reduction 90, result has 70.6 percent of original size 216 [2021-03-25 17:43:48,597 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2021-03-25 17:43:48,598 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:43:48,599 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:43:48,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:48,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623249646] [2021-03-25 17:43:48,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183744255] [2021-03-25 17:43:48,643 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) [2021-03-25 17:43:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:48,666 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:43:48,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:43:48,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:43:48,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,707 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:43:48,708 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:43:48,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:43:48,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:48,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:48,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:48,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:48,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:43:48,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:43:48,732 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 [2021-03-25 17:43:48,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:48,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:48,734 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:48,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:48,740 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:48,740 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:43:48,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:48,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:43:48,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:43:48,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:43:48,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:43:48,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:43:48,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:43:48,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:43:48,772 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 [2021-03-25 17:43:48,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-25 17:43:48,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-25 17:43:48,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:48,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:43:48,827 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:43:48,828 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:107 [2021-03-25 17:43:48,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:43:48,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:43:48,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-25 17:43:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-25 17:43:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:43:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:43:48,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 17:43:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-25 17:43:48,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:48,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-25 17:43:48,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-25 17:43:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:43:48,954 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 [2021-03-25 17:43:48,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-25 17:43:48,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:48,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-25 17:43:48,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:43:49,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:49,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:49,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:49,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:49,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:49,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-25 17:43:49,022 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. [2021-03-25 17:43:49,022 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:113, output treesize:112 [2021-03-25 17:43:49,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:49,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:49,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:49,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:49,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-25 17:43:49,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:49,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:43:49,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:49,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:43:49,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-25 17:43:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:49,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:43:49,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:43:49,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650972695] [2021-03-25 17:43:49,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:43:49,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:43:49,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:43:49,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:43:49,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 192 [2021-03-25 17:43:49,116 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) [2021-03-25 17:43:49,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:43:49,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 192 [2021-03-25 17:43:49,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:43:53,673 INFO L129 PetriNetUnfolder]: 1150/2515 cut-off events. [2021-03-25 17:43:53,673 INFO L130 PetriNetUnfolder]: For 382762/388515 co-relation queries the response was YES. [2021-03-25 17:43:53,710 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. [2021-03-25 17:43:53,735 INFO L132 encePairwiseOnDemand]: 157/192 looper letters, 1063 selfloop transitions, 254 changer transitions 9/1329 dead transitions. [2021-03-25 17:43:53,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 1329 transitions, 57742 flow [2021-03-25 17:43:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:43:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:43:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 163 transitions. [2021-03-25 17:43:53,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07074652777777778 [2021-03-25 17:43:53,737 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 163 transitions. [2021-03-25 17:43:53,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 163 transitions. [2021-03-25 17:43:53,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:43:53,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 163 transitions. [2021-03-25 17:43:53,738 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) [2021-03-25 17:43:53,738 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) [2021-03-25 17:43:53,738 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) [2021-03-25 17:43:53,739 INFO L185 Difference]: Start difference. First operand has 534 places, 1298 transitions, 53398 flow. Second operand 12 states and 163 transitions. [2021-03-25 17:43:53,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 1329 transitions, 57742 flow [2021-03-25 17:43:55,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 1329 transitions, 57048 flow, removed 74 selfloop flow, removed 9 redundant places. [2021-03-25 17:43:55,533 INFO L241 Difference]: Finished difference. Result has 542 places, 1310 transitions, 54090 flow [2021-03-25 17:43:55,533 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} [2021-03-25 17:43:55,534 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 525 predicate places. [2021-03-25 17:43:55,534 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:43:55,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 542 places, 1310 transitions, 54090 flow [2021-03-25 17:43:55,534 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 542 places, 1310 transitions, 54090 flow [2021-03-25 17:43:55,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 538 places, 1310 transitions, 54090 flow [2021-03-25 17:43:56,500 INFO L129 PetriNetUnfolder]: 1148/2506 cut-off events. [2021-03-25 17:43:56,500 INFO L130 PetriNetUnfolder]: For 379257/380150 co-relation queries the response was YES. [2021-03-25 17:43:56,542 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. [2021-03-25 17:43:56,590 INFO L142 LiptonReduction]: Number of co-enabled transitions 2658 [2021-03-25 17:43:57,224 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-25 17:43:58,350 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 71 [2021-03-25 17:43:59,056 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 17:43:59,056 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 17:43:59,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3522 [2021-03-25 17:43:59,056 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 1308 transitions, 54161 flow [2021-03-25 17:43:59,056 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) [2021-03-25 17:43:59,056 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:43:59,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:43:59,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-03-25 17:43:59,257 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:43:59,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:43:59,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1207166645, now seen corresponding path program 1 times [2021-03-25 17:43:59,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:43:59,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217439079] [2021-03-25 17:43:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:43:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:43:59,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:59,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:59,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:59,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:59,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:59,285 INFO L142 QuantifierPusher]: treesize reduction 214, result has 21.3 percent of original size [2021-03-25 17:43:59,286 INFO L147 QuantifierPusher]: treesize reduction 53, result has 8.6 percent of original size 5 [2021-03-25 17:43:59,330 INFO L142 QuantifierPusher]: treesize reduction 221, result has 33.6 percent of original size [2021-03-25 17:43:59,331 INFO L147 QuantifierPusher]: treesize reduction 19, result has 83.0 percent of original size 93 [2021-03-25 17:43:59,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:43:59,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:43:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:43:59,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217439079] [2021-03-25 17:43:59,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:43:59,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 17:43:59,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456493474] [2021-03-25 17:43:59,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 17:43:59,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:43:59,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 17:43:59,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-03-25 17:43:59,435 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 195 [2021-03-25 17:43:59,435 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) [2021-03-25 17:43:59,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:43:59,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 195 [2021-03-25 17:43:59,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:44:02,272 INFO L129 PetriNetUnfolder]: 1207/2646 cut-off events. [2021-03-25 17:44:02,272 INFO L130 PetriNetUnfolder]: For 409338/411233 co-relation queries the response was YES. [2021-03-25 17:44:02,316 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. [2021-03-25 17:44:02,341 INFO L132 encePairwiseOnDemand]: 152/195 looper letters, 1019 selfloop transitions, 389 changer transitions 1/1412 dead transitions. [2021-03-25 17:44:02,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 1412 transitions, 61781 flow [2021-03-25 17:44:02,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 17:44:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 17:44:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 166 transitions. [2021-03-25 17:44:02,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0773892773892774 [2021-03-25 17:44:02,342 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 166 transitions. [2021-03-25 17:44:02,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 166 transitions. [2021-03-25 17:44:02,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:44:02,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 166 transitions. [2021-03-25 17:44:02,343 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) [2021-03-25 17:44:02,343 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) [2021-03-25 17:44:02,343 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) [2021-03-25 17:44:02,343 INFO L185 Difference]: Start difference. First operand has 537 places, 1308 transitions, 54161 flow. Second operand 11 states and 166 transitions. [2021-03-25 17:44:02,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 1412 transitions, 61781 flow [2021-03-25 17:44:04,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 1412 transitions, 61422 flow, removed 92 selfloop flow, removed 7 redundant places. [2021-03-25 17:44:04,390 INFO L241 Difference]: Finished difference. Result has 546 places, 1372 transitions, 58023 flow [2021-03-25 17:44:04,391 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} [2021-03-25 17:44:04,391 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 529 predicate places. [2021-03-25 17:44:04,391 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:44:04,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 1372 transitions, 58023 flow [2021-03-25 17:44:04,391 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 1372 transitions, 58023 flow [2021-03-25 17:44:04,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 545 places, 1372 transitions, 58023 flow [2021-03-25 17:44:05,414 INFO L129 PetriNetUnfolder]: 1207/2646 cut-off events. [2021-03-25 17:44:05,414 INFO L130 PetriNetUnfolder]: For 411637/412652 co-relation queries the response was YES. [2021-03-25 17:44:05,457 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. [2021-03-25 17:44:05,508 INFO L142 LiptonReduction]: Number of co-enabled transitions 2780 [2021-03-25 17:44:06,407 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:44:06,407 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:44:06,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2016 [2021-03-25 17:44:06,408 INFO L480 AbstractCegarLoop]: Abstraction has has 545 places, 1369 transitions, 57843 flow [2021-03-25 17:44:06,408 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) [2021-03-25 17:44:06,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:44:06,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:44:06,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-25 17:44:06,408 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:44:06,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:44:06,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1359282362, now seen corresponding path program 1 times [2021-03-25 17:44:06,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:44:06,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754277617] [2021-03-25 17:44:06,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:44:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:06,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:06,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:06,435 INFO L142 QuantifierPusher]: treesize reduction 82, result has 26.1 percent of original size [2021-03-25 17:44:06,435 INFO L147 QuantifierPusher]: treesize reduction 18, result has 37.9 percent of original size 11 [2021-03-25 17:44:06,455 INFO L142 QuantifierPusher]: treesize reduction 83, result has 40.7 percent of original size [2021-03-25 17:44:06,455 INFO L147 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size 40 [2021-03-25 17:44:06,506 INFO L142 QuantifierPusher]: treesize reduction 40, result has 32.2 percent of original size [2021-03-25 17:44:06,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:44:06,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:06,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:06,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754277617] [2021-03-25 17:44:06,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797432528] [2021-03-25 17:44:06,534 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 [2021-03-25 17:44:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:06,549 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:44:06,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:44:06,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,579 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:44:06,579 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:44:06,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:06,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:06,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:06,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:06,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:06,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:06,617 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 [2021-03-25 17:44:06,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:06,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:06,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:06,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:06,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:06,626 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:44:06,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:06,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:06,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:06,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:06,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:06,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:06,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:06,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:06,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:06,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-03-25 17:44:06,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:44:06,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:44:06,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:06,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:44:06,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:06,683 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:39 [2021-03-25 17:44:06,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:44:06,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:44:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:44:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:44:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:44:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:44:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:44:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:44:06,728 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 [2021-03-25 17:44:06,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:44:06,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:44:06,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:06,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:44:06,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:06,744 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2021-03-25 17:44:06,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:44:06,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:44:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:06,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:44:06,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:44:06,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238538389] [2021-03-25 17:44:06,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:44:06,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:44:06,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:44:06,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:44:06,772 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 195 [2021-03-25 17:44:06,772 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) [2021-03-25 17:44:06,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:44:06,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 195 [2021-03-25 17:44:06,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:44:11,890 INFO L129 PetriNetUnfolder]: 1216/2662 cut-off events. [2021-03-25 17:44:11,890 INFO L130 PetriNetUnfolder]: For 416136/416905 co-relation queries the response was YES. [2021-03-25 17:44:11,927 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. [2021-03-25 17:44:11,955 INFO L132 encePairwiseOnDemand]: 165/195 looper letters, 1105 selfloop transitions, 279 changer transitions 1/1388 dead transitions. [2021-03-25 17:44:11,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 1388 transitions, 61397 flow [2021-03-25 17:44:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:44:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:44:11,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 162 transitions. [2021-03-25 17:44:11,956 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06923076923076923 [2021-03-25 17:44:11,956 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 162 transitions. [2021-03-25 17:44:11,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 162 transitions. [2021-03-25 17:44:11,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:44:11,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 162 transitions. [2021-03-25 17:44:11,957 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) [2021-03-25 17:44:11,957 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) [2021-03-25 17:44:11,957 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) [2021-03-25 17:44:11,958 INFO L185 Difference]: Start difference. First operand has 545 places, 1369 transitions, 57843 flow. Second operand 12 states and 162 transitions. [2021-03-25 17:44:11,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 1388 transitions, 61397 flow [2021-03-25 17:44:13,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 1388 transitions, 61179 flow, removed 102 selfloop flow, removed 4 redundant places. [2021-03-25 17:44:13,945 INFO L241 Difference]: Finished difference. Result has 558 places, 1386 transitions, 58949 flow [2021-03-25 17:44:13,946 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} [2021-03-25 17:44:13,946 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 541 predicate places. [2021-03-25 17:44:13,946 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:44:13,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 558 places, 1386 transitions, 58949 flow [2021-03-25 17:44:13,946 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 558 places, 1386 transitions, 58949 flow [2021-03-25 17:44:13,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 1386 transitions, 58949 flow [2021-03-25 17:44:15,041 INFO L129 PetriNetUnfolder]: 1216/2662 cut-off events. [2021-03-25 17:44:15,041 INFO L130 PetriNetUnfolder]: For 426616/427751 co-relation queries the response was YES. [2021-03-25 17:44:15,088 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. [2021-03-25 17:44:15,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 2808 [2021-03-25 17:44:16,813 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 17:44:16,813 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-25 17:44:16,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2867 [2021-03-25 17:44:16,813 INFO L480 AbstractCegarLoop]: Abstraction has has 556 places, 1378 transitions, 58668 flow [2021-03-25 17:44:16,813 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) [2021-03-25 17:44:16,813 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:44:16,813 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:44:17,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable108 [2021-03-25 17:44:17,014 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:44:17,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:44:17,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1273752364, now seen corresponding path program 1 times [2021-03-25 17:44:17,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:44:17,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043319356] [2021-03-25 17:44:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:44:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:17,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:17,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:17,030 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:44:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:44:17,035 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:44:17,035 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:44:17,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:17,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043319356] [2021-03-25 17:44:17,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573458813] [2021-03-25 17:44:17,060 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 [2021-03-25 17:44:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:17,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:44:17,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:44:17,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:17,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:17,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:17,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:17,158 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 [2021-03-25 17:44:17,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:17,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:17,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:17,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:17,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:17,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:44:17,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:17,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:17,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:44:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:44:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:44:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:44:17,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:44:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:17,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:17,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:44:17,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:44:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:44:17,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:17,198 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 [2021-03-25 17:44:17,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:17,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:17,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:17,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:44:17,210 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. [2021-03-25 17:44:17,210 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:44:17,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:44:17,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:17,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:17,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:44:17,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:44:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:17,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:44:17,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-25 17:44:17,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043531512] [2021-03-25 17:44:17,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 17:44:17,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:44:17,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 17:44:17,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-03-25 17:44:17,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 201 [2021-03-25 17:44:17,244 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) [2021-03-25 17:44:17,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:44:17,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 201 [2021-03-25 17:44:17,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:44:22,169 INFO L129 PetriNetUnfolder]: 1410/3080 cut-off events. [2021-03-25 17:44:22,169 INFO L130 PetriNetUnfolder]: For 507250/508029 co-relation queries the response was YES. [2021-03-25 17:44:22,227 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. [2021-03-25 17:44:22,258 INFO L132 encePairwiseOnDemand]: 147/201 looper letters, 1069 selfloop transitions, 617 changer transitions 1/1690 dead transitions. [2021-03-25 17:44:22,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 1690 transitions, 74363 flow [2021-03-25 17:44:22,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 17:44:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 17:44:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 241 transitions. [2021-03-25 17:44:22,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06310552500654622 [2021-03-25 17:44:22,260 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 241 transitions. [2021-03-25 17:44:22,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 241 transitions. [2021-03-25 17:44:22,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:44:22,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 241 transitions. [2021-03-25 17:44:22,261 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) [2021-03-25 17:44:22,262 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) [2021-03-25 17:44:22,262 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) [2021-03-25 17:44:22,262 INFO L185 Difference]: Start difference. First operand has 556 places, 1378 transitions, 58668 flow. Second operand 19 states and 241 transitions. [2021-03-25 17:44:22,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 1690 transitions, 74363 flow [2021-03-25 17:44:24,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 1690 transitions, 74108 flow, removed 113 selfloop flow, removed 5 redundant places. [2021-03-25 17:44:24,882 INFO L241 Difference]: Finished difference. Result has 574 places, 1556 transitions, 67263 flow [2021-03-25 17:44:24,883 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} [2021-03-25 17:44:24,883 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 557 predicate places. [2021-03-25 17:44:24,883 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:44:24,883 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 574 places, 1556 transitions, 67263 flow [2021-03-25 17:44:24,883 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 574 places, 1556 transitions, 67263 flow [2021-03-25 17:44:24,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 573 places, 1556 transitions, 67263 flow [2021-03-25 17:44:26,360 INFO L129 PetriNetUnfolder]: 1410/3079 cut-off events. [2021-03-25 17:44:26,360 INFO L130 PetriNetUnfolder]: For 522177/522224 co-relation queries the response was YES. [2021-03-25 17:44:26,416 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. [2021-03-25 17:44:26,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 3150 [2021-03-25 17:44:27,918 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:44:27,918 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 17:44:27,918 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3035 [2021-03-25 17:44:27,918 INFO L480 AbstractCegarLoop]: Abstraction has has 573 places, 1553 transitions, 67133 flow [2021-03-25 17:44:27,919 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) [2021-03-25 17:44:27,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:44:27,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:44:28,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:44:28,124 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:44:28,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:44:28,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1667525395, now seen corresponding path program 1 times [2021-03-25 17:44:28,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:44:28,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710103737] [2021-03-25 17:44:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:44:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:28,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:28,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:28,138 INFO L142 QuantifierPusher]: treesize reduction 117, result has 22.5 percent of original size [2021-03-25 17:44:28,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:28,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:28,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:28,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710103737] [2021-03-25 17:44:28,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:44:28,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:44:28,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355559640] [2021-03-25 17:44:28,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:44:28,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:44:28,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:44:28,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:44:28,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 202 [2021-03-25 17:44:28,168 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) [2021-03-25 17:44:28,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:44:28,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 202 [2021-03-25 17:44:28,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:44:32,802 INFO L129 PetriNetUnfolder]: 1410/3076 cut-off events. [2021-03-25 17:44:32,802 INFO L130 PetriNetUnfolder]: For 533157/539570 co-relation queries the response was YES. [2021-03-25 17:44:32,856 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. [2021-03-25 17:44:32,888 INFO L132 encePairwiseOnDemand]: 169/202 looper letters, 1299 selfloop transitions, 254 changer transitions 0/1556 dead transitions. [2021-03-25 17:44:32,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 1556 transitions, 70420 flow [2021-03-25 17:44:32,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:44:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:44:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 102 transitions. [2021-03-25 17:44:32,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.100990099009901 [2021-03-25 17:44:32,890 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 102 transitions. [2021-03-25 17:44:32,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 102 transitions. [2021-03-25 17:44:32,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:44:32,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 102 transitions. [2021-03-25 17:44:32,890 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) [2021-03-25 17:44:32,890 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) [2021-03-25 17:44:32,890 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) [2021-03-25 17:44:32,891 INFO L185 Difference]: Start difference. First operand has 573 places, 1553 transitions, 67133 flow. Second operand 5 states and 102 transitions. [2021-03-25 17:44:32,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 1556 transitions, 70420 flow [2021-03-25 17:44:35,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 1556 transitions, 69710 flow, removed 283 selfloop flow, removed 7 redundant places. [2021-03-25 17:44:35,777 INFO L241 Difference]: Finished difference. Result has 571 places, 1555 transitions, 67329 flow [2021-03-25 17:44:35,778 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} [2021-03-25 17:44:35,778 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 554 predicate places. [2021-03-25 17:44:35,778 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:44:35,778 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 571 places, 1555 transitions, 67329 flow [2021-03-25 17:44:35,778 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 571 places, 1555 transitions, 67329 flow [2021-03-25 17:44:35,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 571 places, 1555 transitions, 67329 flow [2021-03-25 17:44:37,117 INFO L129 PetriNetUnfolder]: 1410/3076 cut-off events. [2021-03-25 17:44:37,118 INFO L130 PetriNetUnfolder]: For 528332/528332 co-relation queries the response was YES. [2021-03-25 17:44:37,187 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. [2021-03-25 17:44:37,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 3148 [2021-03-25 17:44:38,493 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:44:38,494 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:44:38,494 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2716 [2021-03-25 17:44:38,494 INFO L480 AbstractCegarLoop]: Abstraction has has 571 places, 1553 transitions, 67183 flow [2021-03-25 17:44:38,494 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) [2021-03-25 17:44:38,494 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:44:38,494 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:44:38,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-25 17:44:38,494 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:44:38,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:44:38,494 INFO L82 PathProgramCache]: Analyzing trace with hash -153679527, now seen corresponding path program 1 times [2021-03-25 17:44:38,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:44:38,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426610002] [2021-03-25 17:44:38,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:44:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:38,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:38,513 INFO L142 QuantifierPusher]: treesize reduction 117, result has 22.5 percent of original size [2021-03-25 17:44:38,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:38,532 INFO L142 QuantifierPusher]: treesize reduction 92, result has 35.7 percent of original size [2021-03-25 17:44:38,533 INFO L147 QuantifierPusher]: treesize reduction 14, result has 72.5 percent of original size 37 [2021-03-25 17:44:38,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:38,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426610002] [2021-03-25 17:44:38,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808210354] [2021-03-25 17:44:38,600 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) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:44:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:38,632 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:44:38,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:44:38,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:38,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:38,654 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-25 17:44:38,655 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-25 17:44:38,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:38,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:38,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:38,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:38,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,671 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 [2021-03-25 17:44:38,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:38,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:44:38,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:38,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:44:38,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:38,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:40 [2021-03-25 17:44:38,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:44:38,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:44:38,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:44:38,710 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.7 percent of original size 85 [2021-03-25 17:44:38,710 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.7 percent of original size [2021-03-25 17:44:38,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:44:38,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:44:38,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 17:44:38,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:44:38,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,791 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 [2021-03-25 17:44:38,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:44:38,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:44:38,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:38,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:44:38,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:38,826 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:96 [2021-03-25 17:44:38,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:44:38,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:44:38,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-25 17:44:38,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-25 17:44:38,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:44:38,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:44:38,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:38,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-25 17:44:38,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-25 17:44:38,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:38,918 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 [2021-03-25 17:44:38,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:44:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:44:38,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:38,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:44:38,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:38,952 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:82 [2021-03-25 17:44:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:44:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:44:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:38,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:44:38,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:44:38,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869516032] [2021-03-25 17:44:38,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:44:38,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:44:38,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:44:38,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:44:38,993 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 202 [2021-03-25 17:44:38,993 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) [2021-03-25 17:44:38,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:44:38,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 202 [2021-03-25 17:44:38,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:44:44,458 INFO L129 PetriNetUnfolder]: 1405/3067 cut-off events. [2021-03-25 17:44:44,458 INFO L130 PetriNetUnfolder]: For 535971/539890 co-relation queries the response was YES. [2021-03-25 17:44:44,514 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. [2021-03-25 17:44:44,547 INFO L132 encePairwiseOnDemand]: 169/202 looper letters, 1295 selfloop transitions, 256 changer transitions 1/1555 dead transitions. [2021-03-25 17:44:44,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 1555 transitions, 70457 flow [2021-03-25 17:44:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:44:44,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:44:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 128 transitions. [2021-03-25 17:44:44,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07920792079207921 [2021-03-25 17:44:44,549 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 128 transitions. [2021-03-25 17:44:44,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 128 transitions. [2021-03-25 17:44:44,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:44:44,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 128 transitions. [2021-03-25 17:44:44,550 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) [2021-03-25 17:44:44,550 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) [2021-03-25 17:44:44,550 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) [2021-03-25 17:44:44,550 INFO L185 Difference]: Start difference. First operand has 571 places, 1553 transitions, 67183 flow. Second operand 8 states and 128 transitions. [2021-03-25 17:44:44,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 1555 transitions, 70457 flow [2021-03-25 17:44:47,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 1555 transitions, 70410 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-25 17:44:47,625 INFO L241 Difference]: Finished difference. Result has 579 places, 1553 transitions, 67968 flow [2021-03-25 17:44:47,626 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} [2021-03-25 17:44:47,626 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 562 predicate places. [2021-03-25 17:44:47,626 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:44:47,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 579 places, 1553 transitions, 67968 flow [2021-03-25 17:44:47,627 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 579 places, 1553 transitions, 67968 flow [2021-03-25 17:44:47,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 578 places, 1553 transitions, 67968 flow [2021-03-25 17:44:49,048 INFO L129 PetriNetUnfolder]: 1405/3066 cut-off events. [2021-03-25 17:44:49,049 INFO L130 PetriNetUnfolder]: For 548920/549120 co-relation queries the response was YES. [2021-03-25 17:44:49,102 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. [2021-03-25 17:44:49,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 3144 [2021-03-25 17:44:51,388 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:44:51,388 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:44:51,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3762 [2021-03-25 17:44:51,388 INFO L480 AbstractCegarLoop]: Abstraction has has 576 places, 1550 transitions, 67770 flow [2021-03-25 17:44:51,388 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) [2021-03-25 17:44:51,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:44:51,388 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:44:51,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-03-25 17:44:51,589 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:44:51,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:44:51,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1749089540, now seen corresponding path program 1 times [2021-03-25 17:44:51,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:44:51,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298118171] [2021-03-25 17:44:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:44:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:51,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:44:51,626 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-03-25 17:44:51,626 INFO L147 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size 11 [2021-03-25 17:44:51,654 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-25 17:44:51,655 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-25 17:44:51,696 INFO L142 QuantifierPusher]: treesize reduction 40, result has 32.2 percent of original size [2021-03-25 17:44:51,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:44:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:51,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298118171] [2021-03-25 17:44:51,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662955732] [2021-03-25 17:44:51,724 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 [2021-03-25 17:44:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:44:51,736 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:44:51,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:44:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:44:51,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:51,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:51,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:51,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:51,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:44:51,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:44:51,794 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 [2021-03-25 17:44:51,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:51,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:44:51,795 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:51,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:51,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:51,802 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:44:51,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:51,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:44:51,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:44:51,818 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-25 17:44:51,818 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-25 17:44:51,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:44:51,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:44:51,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:44:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:44:51,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:51,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:51,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:44:51,827 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 [2021-03-25 17:44:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:44:51,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:44:51,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:51,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:51,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:51,838 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:26 [2021-03-25 17:44:51,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:51,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:44:51,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:44:51,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:44:51,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:44:51,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:44:51,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:44:51,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:44:51,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:44:51,866 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 [2021-03-25 17:44:51,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:44:51,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:44:51,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:44:51,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:44:51,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:44:51,877 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2021-03-25 17:44:51,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:44:51,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:44:51,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:44:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:44:51,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:44:51,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:44:51,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289350472] [2021-03-25 17:44:51,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:44:51,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:44:51,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:44:51,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:44:51,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 204 [2021-03-25 17:44:51,898 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) [2021-03-25 17:44:51,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:44:51,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 204 [2021-03-25 17:44:51,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:44:57,477 INFO L129 PetriNetUnfolder]: 1410/3078 cut-off events. [2021-03-25 17:44:57,477 INFO L130 PetriNetUnfolder]: For 564749/567756 co-relation queries the response was YES. [2021-03-25 17:44:57,526 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. [2021-03-25 17:44:57,559 INFO L132 encePairwiseOnDemand]: 168/204 looper letters, 1284 selfloop transitions, 280 changer transitions 1/1568 dead transitions. [2021-03-25 17:44:57,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 1568 transitions, 71950 flow [2021-03-25 17:44:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 17:44:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 17:44:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 175 transitions. [2021-03-25 17:44:57,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06598793363499246 [2021-03-25 17:44:57,561 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 175 transitions. [2021-03-25 17:44:57,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 175 transitions. [2021-03-25 17:44:57,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:44:57,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 175 transitions. [2021-03-25 17:44:57,561 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) [2021-03-25 17:44:57,562 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) [2021-03-25 17:44:57,563 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) [2021-03-25 17:44:57,563 INFO L185 Difference]: Start difference. First operand has 576 places, 1550 transitions, 67770 flow. Second operand 13 states and 175 transitions. [2021-03-25 17:44:57,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 1568 transitions, 71950 flow [2021-03-25 17:45:00,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 1568 transitions, 71127 flow, removed 45 selfloop flow, removed 7 redundant places. [2021-03-25 17:45:00,595 INFO L241 Difference]: Finished difference. Result has 586 places, 1562 transitions, 68286 flow [2021-03-25 17:45:00,596 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} [2021-03-25 17:45:00,596 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 569 predicate places. [2021-03-25 17:45:00,596 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:45:00,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 1562 transitions, 68286 flow [2021-03-25 17:45:00,596 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 1562 transitions, 68286 flow [2021-03-25 17:45:00,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 1562 transitions, 68286 flow [2021-03-25 17:45:02,073 INFO L129 PetriNetUnfolder]: 1410/3078 cut-off events. [2021-03-25 17:45:02,073 INFO L130 PetriNetUnfolder]: For 545950/546810 co-relation queries the response was YES. [2021-03-25 17:45:02,126 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. [2021-03-25 17:45:02,199 INFO L142 LiptonReduction]: Number of co-enabled transitions 3162 [2021-03-25 17:45:04,251 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 17:45:04,251 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 17:45:04,252 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3656 [2021-03-25 17:45:04,252 INFO L480 AbstractCegarLoop]: Abstraction has has 584 places, 1559 transitions, 68177 flow [2021-03-25 17:45:04,252 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) [2021-03-25 17:45:04,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:45:04,252 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:45:04,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-03-25 17:45:04,453 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:45:04,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:45:04,453 INFO L82 PathProgramCache]: Analyzing trace with hash -153675218, now seen corresponding path program 1 times [2021-03-25 17:45:04,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:45:04,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247870761] [2021-03-25 17:45:04,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:45:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:04,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:04,468 INFO L142 QuantifierPusher]: treesize reduction 239, result has 28.2 percent of original size [2021-03-25 17:45:04,468 INFO L147 QuantifierPusher]: treesize reduction 7, result has 92.6 percent of original size 87 [2021-03-25 17:45:04,532 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:45:04,532 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:45:04,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:04,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247870761] [2021-03-25 17:45:04,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012526473] [2021-03-25 17:45:04,560 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 [2021-03-25 17:45:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:04,572 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:45:04,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:45:04,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:45:04,592 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-25 17:45:04,592 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-25 17:45:04,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:45:04,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:45:04,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:45:04,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:45:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,612 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 [2021-03-25 17:45:04,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:45:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:45:04,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:04,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:45:04,631 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:45:04,631 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:40 [2021-03-25 17:45:04,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:45:04,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:45:04,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:45:04,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:45:04,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:45:04,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:45:04,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:45:04,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-25 17:45:04,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,723 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 [2021-03-25 17:45:04,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 17:45:04,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 17:45:04,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:04,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:45:04,766 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:45:04,766 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:90 [2021-03-25 17:45:04,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:45:04,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:45:04,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:45:04,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:45:04,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:45:04,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:45:04,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:45:04,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:04,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 17:45:04,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-25 17:45:04,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-25 17:45:04,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-25 17:45:04,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:04,888 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 [2021-03-25 17:45:04,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:45:04,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:45:04,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:04,938 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:45:04,949 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. [2021-03-25 17:45:04,949 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:96, output treesize:95 [2021-03-25 17:45:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:04,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:45:04,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:04,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:04,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 17:45:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:05,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:45:05,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:45:05,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273274022] [2021-03-25 17:45:05,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:45:05,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:45:05,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:45:05,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:45:05,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 207 [2021-03-25 17:45:05,009 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) [2021-03-25 17:45:05,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:45:05,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 207 [2021-03-25 17:45:05,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:45:11,949 INFO L129 PetriNetUnfolder]: 1409/3076 cut-off events. [2021-03-25 17:45:11,949 INFO L130 PetriNetUnfolder]: For 560204/563196 co-relation queries the response was YES. [2021-03-25 17:45:12,006 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. [2021-03-25 17:45:12,041 INFO L132 encePairwiseOnDemand]: 173/207 looper letters, 1303 selfloop transitions, 251 changer transitions 5/1562 dead transitions. [2021-03-25 17:45:12,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 1562 transitions, 71478 flow [2021-03-25 17:45:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:45:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:45:12,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 120 transitions. [2021-03-25 17:45:12,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.08281573498964803 [2021-03-25 17:45:12,043 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 120 transitions. [2021-03-25 17:45:12,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 120 transitions. [2021-03-25 17:45:12,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:45:12,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 120 transitions. [2021-03-25 17:45:12,044 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) [2021-03-25 17:45:12,044 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) [2021-03-25 17:45:12,045 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) [2021-03-25 17:45:12,045 INFO L185 Difference]: Start difference. First operand has 584 places, 1559 transitions, 68177 flow. Second operand 7 states and 120 transitions. [2021-03-25 17:45:12,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 1562 transitions, 71478 flow [2021-03-25 17:45:15,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 1562 transitions, 70972 flow, removed 123 selfloop flow, removed 5 redundant places. [2021-03-25 17:45:15,142 INFO L241 Difference]: Finished difference. Result has 586 places, 1556 transitions, 67966 flow [2021-03-25 17:45:15,143 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} [2021-03-25 17:45:15,143 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 569 predicate places. [2021-03-25 17:45:15,143 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:45:15,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 1556 transitions, 67966 flow [2021-03-25 17:45:15,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 1556 transitions, 67966 flow [2021-03-25 17:45:15,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 582 places, 1556 transitions, 67966 flow [2021-03-25 17:45:16,538 INFO L129 PetriNetUnfolder]: 1408/3071 cut-off events. [2021-03-25 17:45:16,539 INFO L130 PetriNetUnfolder]: For 549010/549010 co-relation queries the response was YES. [2021-03-25 17:45:16,599 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. [2021-03-25 17:45:16,666 INFO L142 LiptonReduction]: Number of co-enabled transitions 3150 [2021-03-25 17:45:17,316 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:45:17,317 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:45:17,317 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2174 [2021-03-25 17:45:17,317 INFO L480 AbstractCegarLoop]: Abstraction has has 582 places, 1556 transitions, 67966 flow [2021-03-25 17:45:17,317 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) [2021-03-25 17:45:17,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:45:17,317 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:45:17,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-25 17:45:17,518 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:45:17,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:45:17,518 INFO L82 PathProgramCache]: Analyzing trace with hash 195252461, now seen corresponding path program 1 times [2021-03-25 17:45:17,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:45:17,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950315873] [2021-03-25 17:45:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:45:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:17,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:17,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:17,540 INFO L142 QuantifierPusher]: treesize reduction 85, result has 37.0 percent of original size [2021-03-25 17:45:17,541 INFO L147 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size 39 [2021-03-25 17:45:17,580 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:45:17,580 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:45:17,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:17,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950315873] [2021-03-25 17:45:17,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719609296] [2021-03-25 17:45:17,610 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 [2021-03-25 17:45:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:17,623 WARN L261 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:45:17,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:45:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,642 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:45:17,643 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:45:17,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:17,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:17,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:45:17,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:17,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:45:17,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:17,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:45:17,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-03-25 17:45:17,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:45:17,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:45:17,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:17,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:45:17,689 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:45:17,689 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:34 [2021-03-25 17:45:17,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:45:17,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:45:17,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:45:17,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:45:17,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:45:17,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:45:17,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:45:17,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:45:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-03-25 17:45:17,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:45:17,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:45:17,757 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:17,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:45:17,778 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:45:17,778 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:54 [2021-03-25 17:45:17,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:45:17,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:45:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:45:17,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:45:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:45:17,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:45:17,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:45:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:17,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:45:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:45:17,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:45:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:45:17,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:17,840 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 [2021-03-25 17:45:17,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:45:17,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:45:17,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:17,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:17,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:45:17,867 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. [2021-03-25 17:45:17,867 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:59 [2021-03-25 17:45:17,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:17,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:45:17,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:17,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:17,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:17,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:45:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:17,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:45:17,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:45:17,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612711085] [2021-03-25 17:45:17,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:45:17,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:45:17,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:45:17,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:45:17,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 207 [2021-03-25 17:45:17,907 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) [2021-03-25 17:45:17,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:45:17,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 207 [2021-03-25 17:45:17,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:45:22,290 INFO L129 PetriNetUnfolder]: 1408/3073 cut-off events. [2021-03-25 17:45:22,291 INFO L130 PetriNetUnfolder]: For 562445/563150 co-relation queries the response was YES. [2021-03-25 17:45:22,337 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. [2021-03-25 17:45:22,369 INFO L132 encePairwiseOnDemand]: 172/207 looper letters, 1297 selfloop transitions, 254 changer transitions 5/1559 dead transitions. [2021-03-25 17:45:22,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 1559 transitions, 71261 flow [2021-03-25 17:45:22,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 17:45:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 17:45:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 134 transitions. [2021-03-25 17:45:22,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07192699946323135 [2021-03-25 17:45:22,371 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 134 transitions. [2021-03-25 17:45:22,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 134 transitions. [2021-03-25 17:45:22,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:45:22,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 134 transitions. [2021-03-25 17:45:22,371 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) [2021-03-25 17:45:22,372 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) [2021-03-25 17:45:22,372 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) [2021-03-25 17:45:22,372 INFO L185 Difference]: Start difference. First operand has 582 places, 1556 transitions, 67966 flow. Second operand 9 states and 134 transitions. [2021-03-25 17:45:22,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 1559 transitions, 71261 flow [2021-03-25 17:45:25,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 1559 transitions, 70044 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-03-25 17:45:25,245 INFO L241 Difference]: Finished difference. Result has 584 places, 1553 transitions, 67101 flow [2021-03-25 17:45:25,246 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} [2021-03-25 17:45:25,246 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 567 predicate places. [2021-03-25 17:45:25,246 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:45:25,246 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 584 places, 1553 transitions, 67101 flow [2021-03-25 17:45:25,246 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 584 places, 1553 transitions, 67101 flow [2021-03-25 17:45:25,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 579 places, 1553 transitions, 67101 flow [2021-03-25 17:45:26,832 INFO L129 PetriNetUnfolder]: 1407/3068 cut-off events. [2021-03-25 17:45:26,832 INFO L130 PetriNetUnfolder]: For 526291/526291 co-relation queries the response was YES. [2021-03-25 17:45:26,887 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. [2021-03-25 17:45:26,957 INFO L142 LiptonReduction]: Number of co-enabled transitions 3144 [2021-03-25 17:45:27,520 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:45:27,521 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:45:27,521 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2275 [2021-03-25 17:45:27,521 INFO L480 AbstractCegarLoop]: Abstraction has has 579 places, 1553 transitions, 67101 flow [2021-03-25 17:45:27,521 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) [2021-03-25 17:45:27,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:45:27,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:45:27,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:45:27,722 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:45:27,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:45:27,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1749652723, now seen corresponding path program 1 times [2021-03-25 17:45:27,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:45:27,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346751188] [2021-03-25 17:45:27,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:45:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:27,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:27,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:27,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:27,743 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:45:27,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:45:27,753 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:45:27,754 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:45:27,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:27,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346751188] [2021-03-25 17:45:27,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370988935] [2021-03-25 17:45:27,783 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 [2021-03-25 17:45:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:27,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:45:27,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:45:27,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:27,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:27,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:27,888 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 [2021-03-25 17:45:27,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:27,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:27,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:27,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:27,925 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:45:27,925 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:45:27,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:27,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:45:27,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:27,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:45:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:45:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:27,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:27,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:45:27,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:45:27,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:27,959 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 [2021-03-25 17:45:27,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:27,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:27,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:27,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:27,970 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. [2021-03-25 17:45:27,970 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:45:27,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:27,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:27,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:27,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:27,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:27,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:45:27,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:45:27,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724595222] [2021-03-25 17:45:27,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:45:27,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:45:27,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:45:27,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:45:27,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 207 [2021-03-25 17:45:27,991 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) [2021-03-25 17:45:27,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:45:27,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 207 [2021-03-25 17:45:27,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:45:33,226 INFO L129 PetriNetUnfolder]: 1467/3205 cut-off events. [2021-03-25 17:45:33,226 INFO L130 PetriNetUnfolder]: For 563374/564435 co-relation queries the response was YES. [2021-03-25 17:45:33,273 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. [2021-03-25 17:45:33,308 INFO L132 encePairwiseOnDemand]: 161/207 looper letters, 1096 selfloop transitions, 547 changer transitions 17/1663 dead transitions. [2021-03-25 17:45:33,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 1663 transitions, 75203 flow [2021-03-25 17:45:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 17:45:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 17:45:33,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 255 transitions. [2021-03-25 17:45:33,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.05866114561766736 [2021-03-25 17:45:33,310 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 255 transitions. [2021-03-25 17:45:33,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 255 transitions. [2021-03-25 17:45:33,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:45:33,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 255 transitions. [2021-03-25 17:45:33,310 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) [2021-03-25 17:45:33,312 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) [2021-03-25 17:45:33,312 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) [2021-03-25 17:45:33,312 INFO L185 Difference]: Start difference. First operand has 579 places, 1553 transitions, 67101 flow. Second operand 21 states and 255 transitions. [2021-03-25 17:45:33,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 1663 transitions, 75203 flow [2021-03-25 17:45:36,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 1663 transitions, 74418 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-25 17:45:36,400 INFO L241 Difference]: Finished difference. Result has 596 places, 1604 transitions, 70039 flow [2021-03-25 17:45:36,401 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} [2021-03-25 17:45:36,401 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 579 predicate places. [2021-03-25 17:45:36,401 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:45:36,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 596 places, 1604 transitions, 70039 flow [2021-03-25 17:45:36,401 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 596 places, 1604 transitions, 70039 flow [2021-03-25 17:45:36,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 591 places, 1604 transitions, 70039 flow [2021-03-25 17:45:37,891 INFO L129 PetriNetUnfolder]: 1459/3185 cut-off events. [2021-03-25 17:45:37,892 INFO L130 PetriNetUnfolder]: For 544253/544253 co-relation queries the response was YES. [2021-03-25 17:45:37,955 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. [2021-03-25 17:45:38,162 INFO L142 LiptonReduction]: Number of co-enabled transitions 3246 [2021-03-25 17:45:38,749 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:45:38,750 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:45:38,750 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2349 [2021-03-25 17:45:38,750 INFO L480 AbstractCegarLoop]: Abstraction has has 591 places, 1604 transitions, 70039 flow [2021-03-25 17:45:38,750 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) [2021-03-25 17:45:38,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:45:38,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:45:38,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,91 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:45:38,951 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:45:38,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:45:38,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1903830877, now seen corresponding path program 1 times [2021-03-25 17:45:38,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:45:38,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673176122] [2021-03-25 17:45:38,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:45:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:38,979 INFO L142 QuantifierPusher]: treesize reduction 106, result has 4.5 percent of original size [2021-03-25 17:45:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:38,985 INFO L142 QuantifierPusher]: treesize reduction 111, result has 20.7 percent of original size [2021-03-25 17:45:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:45:39,000 INFO L142 QuantifierPusher]: treesize reduction 35, result has 40.7 percent of original size [2021-03-25 17:45:39,000 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-25 17:45:39,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:39,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673176122] [2021-03-25 17:45:39,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933521449] [2021-03-25 17:45:39,036 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 [2021-03-25 17:45:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:39,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:45:39,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:45:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:39,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:39,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:39,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:39,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:39,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:39,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:39,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:39,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:39,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:39,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:39,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:39,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:39,116 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 [2021-03-25 17:45:39,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:39,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:39,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:39,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:39,124 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:45:39,125 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:45:39,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:39,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:39,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:45:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:45:39,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:45:39,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:45:39,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:45:39,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:45:39,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:45:39,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:45:39,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:45:39,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:45:39,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,220 INFO L354 Elim1Store]: treesize reduction 90, result has 23.1 percent of original size [2021-03-25 17:45:39,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-03-25 17:45:39,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:45:39,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:45:39,223 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:39,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:45:39,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:45:39,243 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. [2021-03-25 17:45:39,243 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:50 [2021-03-25 17:45:39,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:45:39,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:45:39,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:45:39,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:45:39,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:45:39,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:45:39,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:45:39,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:45:39,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:39,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:39,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:45:39,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:45:39,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:45:39,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:45:39,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:45:39,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:45:39,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:39,366 INFO L354 Elim1Store]: treesize reduction 120, result has 18.4 percent of original size [2021-03-25 17:45:39,367 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 [2021-03-25 17:45:39,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:45:39,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:45:39,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:39,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:45:39,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:39,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:45:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:45:39,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:45:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:45:39,396 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. [2021-03-25 17:45:39,396 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:55 [2021-03-25 17:45:39,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:45:39,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:39,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:45:39,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:45:39,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:45:39,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:45:39,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:39,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:39,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:45:39,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:45:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:39,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:45:39,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:45:39,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630100502] [2021-03-25 17:45:39,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:45:39,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:45:39,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:45:39,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:45:39,429 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 207 [2021-03-25 17:45:39,429 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) [2021-03-25 17:45:39,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:45:39,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 207 [2021-03-25 17:45:39,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:45:44,401 INFO L129 PetriNetUnfolder]: 1483/3238 cut-off events. [2021-03-25 17:45:44,401 INFO L130 PetriNetUnfolder]: For 562302/570904 co-relation queries the response was YES. [2021-03-25 17:45:44,633 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. [2021-03-25 17:45:44,674 INFO L132 encePairwiseOnDemand]: 177/207 looper letters, 1349 selfloop transitions, 287 changer transitions 0/1639 dead transitions. [2021-03-25 17:45:44,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 1639 transitions, 74675 flow [2021-03-25 17:45:44,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 17:45:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 17:45:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 173 transitions. [2021-03-25 17:45:44,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06428836863619472 [2021-03-25 17:45:44,676 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 173 transitions. [2021-03-25 17:45:44,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 173 transitions. [2021-03-25 17:45:44,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:45:44,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 173 transitions. [2021-03-25 17:45:44,677 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) [2021-03-25 17:45:44,678 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) [2021-03-25 17:45:44,678 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) [2021-03-25 17:45:44,678 INFO L185 Difference]: Start difference. First operand has 591 places, 1604 transitions, 70039 flow. Second operand 13 states and 173 transitions. [2021-03-25 17:45:44,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 1639 transitions, 74675 flow [2021-03-25 17:45:47,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 1639 transitions, 74247 flow, removed 183 selfloop flow, removed 6 redundant places. [2021-03-25 17:45:47,769 INFO L241 Difference]: Finished difference. Result has 602 places, 1627 transitions, 71525 flow [2021-03-25 17:45:47,770 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} [2021-03-25 17:45:47,770 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 585 predicate places. [2021-03-25 17:45:47,770 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:45:47,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 602 places, 1627 transitions, 71525 flow [2021-03-25 17:45:47,770 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 602 places, 1627 transitions, 71525 flow [2021-03-25 17:45:47,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 602 places, 1627 transitions, 71525 flow [2021-03-25 17:45:49,314 INFO L129 PetriNetUnfolder]: 1483/3238 cut-off events. [2021-03-25 17:45:49,315 INFO L130 PetriNetUnfolder]: For 569202/569228 co-relation queries the response was YES. [2021-03-25 17:45:49,372 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. [2021-03-25 17:45:49,584 INFO L142 LiptonReduction]: Number of co-enabled transitions 3292 [2021-03-25 17:45:50,919 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:45:50,919 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:45:50,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3149 [2021-03-25 17:45:50,919 INFO L480 AbstractCegarLoop]: Abstraction has has 601 places, 1625 transitions, 71419 flow [2021-03-25 17:45:50,919 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) [2021-03-25 17:45:50,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:45:50,919 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:45:51,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-03-25 17:45:51,120 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:45:51,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:45:51,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1655929825, now seen corresponding path program 1 times [2021-03-25 17:45:51,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:45:51,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503574076] [2021-03-25 17:45:51,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:45:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:51,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:51,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:51,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:51,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:51,145 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:45:51,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:45:51,150 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:45:51,151 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:45:51,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:51,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503574076] [2021-03-25 17:45:51,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800689096] [2021-03-25 17:45:51,173 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) Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:45:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:45:51,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:45:51,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:45:51,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:45:51,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:51,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:51,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:45:51,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:45:51,282 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 [2021-03-25 17:45:51,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:51,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:45:51,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:51,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:51,290 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:45:51,290 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:45:51,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:51,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:45:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:51,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:45:51,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:51,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:45:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:51,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:45:51,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:45:51,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:45:51,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:45:51,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:45:51,320 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 [2021-03-25 17:45:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:51,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:45:51,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:45:51,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:51,330 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. [2021-03-25 17:45:51,331 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:45:51,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:51,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:45:51,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:45:51,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:45:51,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:45:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:45:51,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:45:51,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-25 17:45:51,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542458361] [2021-03-25 17:45:51,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-25 17:45:51,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:45:51,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-25 17:45:51,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-03-25 17:45:51,349 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 208 [2021-03-25 17:45:51,350 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) [2021-03-25 17:45:51,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:45:51,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 208 [2021-03-25 17:45:51,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:45:57,144 INFO L129 PetriNetUnfolder]: 1614/3534 cut-off events. [2021-03-25 17:45:57,144 INFO L130 PetriNetUnfolder]: For 649865/658467 co-relation queries the response was YES. [2021-03-25 17:45:57,210 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. [2021-03-25 17:45:57,255 INFO L132 encePairwiseOnDemand]: 163/208 looper letters, 1219 selfloop transitions, 592 changer transitions 60/1874 dead transitions. [2021-03-25 17:45:57,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 1874 transitions, 87726 flow [2021-03-25 17:45:57,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-25 17:45:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-25 17:45:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 285 transitions. [2021-03-25 17:45:57,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.05709134615384615 [2021-03-25 17:45:57,257 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 285 transitions. [2021-03-25 17:45:57,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 285 transitions. [2021-03-25 17:45:57,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:45:57,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 285 transitions. [2021-03-25 17:45:57,258 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) [2021-03-25 17:45:57,259 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) [2021-03-25 17:45:57,259 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) [2021-03-25 17:45:57,260 INFO L185 Difference]: Start difference. First operand has 601 places, 1625 transitions, 71419 flow. Second operand 24 states and 285 transitions. [2021-03-25 17:45:57,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 1874 transitions, 87726 flow [2021-03-25 17:46:00,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 1874 transitions, 87512 flow, removed 90 selfloop flow, removed 4 redundant places. [2021-03-25 17:46:00,750 INFO L241 Difference]: Finished difference. Result has 632 places, 1750 transitions, 78458 flow [2021-03-25 17:46:00,751 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} [2021-03-25 17:46:00,751 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 615 predicate places. [2021-03-25 17:46:00,751 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:46:00,751 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 1750 transitions, 78458 flow [2021-03-25 17:46:00,751 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 1750 transitions, 78458 flow [2021-03-25 17:46:00,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 626 places, 1750 transitions, 78458 flow [2021-03-25 17:46:02,515 INFO L129 PetriNetUnfolder]: 1578/3452 cut-off events. [2021-03-25 17:46:02,515 INFO L130 PetriNetUnfolder]: For 646905/647050 co-relation queries the response was YES. [2021-03-25 17:46:02,573 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. [2021-03-25 17:46:02,643 INFO L142 LiptonReduction]: Number of co-enabled transitions 3538 [2021-03-25 17:46:04,453 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:46:04,453 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:46:04,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3702 [2021-03-25 17:46:04,454 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 1748 transitions, 78315 flow [2021-03-25 17:46:04,454 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) [2021-03-25 17:46:04,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:46:04,454 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:46:04,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:46:04,654 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:46:04,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:46:04,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1903700181, now seen corresponding path program 1 times [2021-03-25 17:46:04,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:46:04,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510591196] [2021-03-25 17:46:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:46:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:46:04,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:04,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:04,693 INFO L142 QuantifierPusher]: treesize reduction 101, result has 36.9 percent of original size [2021-03-25 17:46:04,694 INFO L147 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size 40 [2021-03-25 17:46:04,760 INFO L142 QuantifierPusher]: treesize reduction 96, result has 52.2 percent of original size [2021-03-25 17:46:04,760 INFO L147 QuantifierPusher]: treesize reduction 32, result has 69.5 percent of original size 73 [2021-03-25 17:46:04,865 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:46:04,866 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:46:04,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:46:04,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510591196] [2021-03-25 17:46:04,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558437593] [2021-03-25 17:46:04,897 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 [2021-03-25 17:46:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:46:04,909 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-25 17:46:04,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:46:04,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,946 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:46:04,947 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:46:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:04,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:04,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:04,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:04,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:04,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:04,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:04,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:04,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:04,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:04,970 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 [2021-03-25 17:46:04,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:04,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:04,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:04,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:04,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:46:04,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:46:04,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:04,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:04,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:04,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:04,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:46:04,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:04,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:04,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:46:05,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:05,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:46:05,006 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 [2021-03-25 17:46:05,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:46:05,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 17:46:05,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:05,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:46:05,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:46:05,026 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:42 [2021-03-25 17:46:05,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:46:05,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:46:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:46:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:05,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:46:05,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:05,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:46:05,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:05,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:46:05,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 17:46:05,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:46:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:05,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:05,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:05,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:05,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:05,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:05,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:05,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:05,082 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 [2021-03-25 17:46:05,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:46:05,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:46:05,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:05,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:46:05,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:05,106 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. [2021-03-25 17:46:05,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:47 [2021-03-25 17:46:05,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:46:05,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:05,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:05,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:05,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:46:05,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:46:05,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:46:05,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:46:05,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426785356] [2021-03-25 17:46:05,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:46:05,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:46:05,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:46:05,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:46:05,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 208 [2021-03-25 17:46:05,146 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) [2021-03-25 17:46:05,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:46:05,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 208 [2021-03-25 17:46:05,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:46:11,879 INFO L129 PetriNetUnfolder]: 1593/3468 cut-off events. [2021-03-25 17:46:11,880 INFO L130 PetriNetUnfolder]: For 658055/660072 co-relation queries the response was YES. [2021-03-25 17:46:11,936 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. [2021-03-25 17:46:11,974 INFO L132 encePairwiseOnDemand]: 156/208 looper letters, 1437 selfloop transitions, 333 changer transitions 19/1792 dead transitions. [2021-03-25 17:46:11,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 1792 transitions, 84184 flow [2021-03-25 17:46:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:46:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:46:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 166 transitions. [2021-03-25 17:46:11,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06650641025641026 [2021-03-25 17:46:11,976 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 166 transitions. [2021-03-25 17:46:11,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 166 transitions. [2021-03-25 17:46:11,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:46:11,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 166 transitions. [2021-03-25 17:46:11,976 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) [2021-03-25 17:46:11,977 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) [2021-03-25 17:46:11,977 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) [2021-03-25 17:46:11,977 INFO L185 Difference]: Start difference. First operand has 624 places, 1748 transitions, 78315 flow. Second operand 12 states and 166 transitions. [2021-03-25 17:46:11,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 1792 transitions, 84184 flow [2021-03-25 17:46:15,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 1792 transitions, 82289 flow, removed 792 selfloop flow, removed 9 redundant places. [2021-03-25 17:46:15,866 INFO L241 Difference]: Finished difference. Result has 632 places, 1760 transitions, 77727 flow [2021-03-25 17:46:15,867 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} [2021-03-25 17:46:15,867 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 615 predicate places. [2021-03-25 17:46:15,867 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:46:15,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 1760 transitions, 77727 flow [2021-03-25 17:46:15,868 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 1760 transitions, 77727 flow [2021-03-25 17:46:15,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 1760 transitions, 77727 flow [2021-03-25 17:46:17,689 INFO L129 PetriNetUnfolder]: 1587/3449 cut-off events. [2021-03-25 17:46:17,689 INFO L130 PetriNetUnfolder]: For 633803/634049 co-relation queries the response was YES. [2021-03-25 17:46:17,751 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. [2021-03-25 17:46:17,827 INFO L142 LiptonReduction]: Number of co-enabled transitions 3558 [2021-03-25 17:46:19,496 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:46:19,496 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:46:19,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3629 [2021-03-25 17:46:19,497 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 1759 transitions, 77771 flow [2021-03-25 17:46:19,497 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) [2021-03-25 17:46:19,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:46:19,497 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:46:19,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-03-25 17:46:19,697 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:46:19,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:46:19,697 INFO L82 PathProgramCache]: Analyzing trace with hash 612570940, now seen corresponding path program 2 times [2021-03-25 17:46:19,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:46:19,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930063769] [2021-03-25 17:46:19,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:46:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:46:19,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:19,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:19,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:19,732 INFO L142 QuantifierPusher]: treesize reduction 38, result has 37.7 percent of original size [2021-03-25 17:46:19,732 INFO L147 QuantifierPusher]: treesize reduction 12, result has 47.8 percent of original size 11 [2021-03-25 17:46:19,751 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 17:46:19,752 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-03-25 17:46:19,792 INFO L142 QuantifierPusher]: treesize reduction 40, result has 32.2 percent of original size [2021-03-25 17:46:19,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:46:19,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:46:19,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930063769] [2021-03-25 17:46:19,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210510197] [2021-03-25 17:46:19,822 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 [2021-03-25 17:46:19,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 17:46:19,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 17:46:19,836 WARN L261 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-25 17:46:19,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:46:19,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,874 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:46:19,874 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:46:19,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:19,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:19,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:19,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:19,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:19,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:19,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:19,914 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 [2021-03-25 17:46:19,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:19,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:19,916 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:19,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:19,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:46:19,923 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:46:19,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:19,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:19,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:46:19,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:46:19,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:46:19,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:46:19,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:46:19,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:46:19,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:19,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:19,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:19,951 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 [2021-03-25 17:46:19,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:46:19,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 17:46:19,953 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:19,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:46:19,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:46:19,965 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:29 [2021-03-25 17:46:19,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:46:19,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:46:19,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:19,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:46:19,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:19,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:46:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:19,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 17:46:19,997 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 [2021-03-25 17:46:19,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:46:19,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:19,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:46:19,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:20,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:20,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:20,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:46:20,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:46:20,011 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2021-03-25 17:46:20,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:20,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:46:20,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:20,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:46:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:46:20,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:46:20,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-25 17:46:20,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614869437] [2021-03-25 17:46:20,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-25 17:46:20,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:46:20,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-25 17:46:20,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-03-25 17:46:20,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 210 [2021-03-25 17:46:20,037 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) [2021-03-25 17:46:20,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:46:20,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 210 [2021-03-25 17:46:20,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:46:26,970 INFO L129 PetriNetUnfolder]: 1694/3700 cut-off events. [2021-03-25 17:46:26,970 INFO L130 PetriNetUnfolder]: For 677042/677974 co-relation queries the response was YES. [2021-03-25 17:46:27,034 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. [2021-03-25 17:46:27,075 INFO L132 encePairwiseOnDemand]: 176/210 looper letters, 1394 selfloop transitions, 487 changer transitions 5/1889 dead transitions. [2021-03-25 17:46:27,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 645 places, 1889 transitions, 87246 flow [2021-03-25 17:46:27,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 17:46:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 17:46:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 229 transitions. [2021-03-25 17:46:27,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.060582010582010584 [2021-03-25 17:46:27,077 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 229 transitions. [2021-03-25 17:46:27,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 229 transitions. [2021-03-25 17:46:27,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:46:27,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 229 transitions. [2021-03-25 17:46:27,078 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) [2021-03-25 17:46:27,079 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) [2021-03-25 17:46:27,079 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) [2021-03-25 17:46:27,079 INFO L185 Difference]: Start difference. First operand has 628 places, 1759 transitions, 77771 flow. Second operand 18 states and 229 transitions. [2021-03-25 17:46:27,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 645 places, 1889 transitions, 87246 flow [2021-03-25 17:46:30,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 1889 transitions, 86448 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-25 17:46:30,988 INFO L241 Difference]: Finished difference. Result has 646 places, 1866 transitions, 83089 flow [2021-03-25 17:46:30,989 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} [2021-03-25 17:46:30,989 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 629 predicate places. [2021-03-25 17:46:30,989 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:46:30,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 1866 transitions, 83089 flow [2021-03-25 17:46:30,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 1866 transitions, 83089 flow [2021-03-25 17:46:31,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 646 places, 1866 transitions, 83089 flow [2021-03-25 17:46:32,941 INFO L129 PetriNetUnfolder]: 1694/3700 cut-off events. [2021-03-25 17:46:32,941 INFO L130 PetriNetUnfolder]: For 695418/695875 co-relation queries the response was YES. [2021-03-25 17:46:33,008 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. [2021-03-25 17:46:33,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 3770 [2021-03-25 17:46:36,413 INFO L154 LiptonReduction]: Checked pairs total: 16 [2021-03-25 17:46:36,413 INFO L156 LiptonReduction]: Total number of compositions: 16 [2021-03-25 17:46:36,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5424 [2021-03-25 17:46:36,413 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 1854 transitions, 82497 flow [2021-03-25 17:46:36,413 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) [2021-03-25 17:46:36,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:46:36,414 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:46:36,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:46:36,614 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:46:36,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:46:36,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1531521218, now seen corresponding path program 1 times [2021-03-25 17:46:36,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:46:36,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862544205] [2021-03-25 17:46:36,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:46:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:46:36,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:36,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:36,633 INFO L142 QuantifierPusher]: treesize reduction 155, result has 3.1 percent of original size [2021-03-25 17:46:36,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:36,640 INFO L142 QuantifierPusher]: treesize reduction 156, result has 22.4 percent of original size [2021-03-25 17:46:36,640 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-03-25 17:46:36,673 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:46:36,674 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:46:36,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:36,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:46:36,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862544205] [2021-03-25 17:46:36,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336571520] [2021-03-25 17:46:36,704 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 [2021-03-25 17:46:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:46:36,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:46:36,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:46:36,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:46:36,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:36,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:46:36,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:36,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:46:36,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:36,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:46:36,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:36,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:36,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:36,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:36,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:36,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:36,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:46:36,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:46:36,788 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 [2021-03-25 17:46:36,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:36,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:36,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:36,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:36,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:46:36,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:46:36,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:36,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:36,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:46:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:36,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:46:36,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:36,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:46:36,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:46:36,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 17:46:36,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:46:36,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:46:36,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:36,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,861 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 [2021-03-25 17:46:36,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:46:36,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:46:36,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:36,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:36,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:46:36,893 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. [2021-03-25 17:46:36,893 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:57 [2021-03-25 17:46:36,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:36,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:46:36,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:36,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:46:36,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:46:36,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:46:36,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:46:36,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:46:36,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:36,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:46:36,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:46:36,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:46:36,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:36,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:36,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:36,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:46:36,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:46:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:37,079 INFO L354 Elim1Store]: treesize reduction 114, result has 26.5 percent of original size [2021-03-25 17:46:37,079 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 [2021-03-25 17:46:37,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:46:37,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:46:37,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:37,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:37,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:37,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:37,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:37,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:46:37,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:46:37,121 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. [2021-03-25 17:46:37,121 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:63, output treesize:62 [2021-03-25 17:46:37,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:37,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:46:37,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:46:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:37,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:46:37,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:46:37,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:37,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:37,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 17:46:37,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:46:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:46:37,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:46:37,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:46:37,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889990963] [2021-03-25 17:46:37,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:46:37,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:46:37,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:46:37,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:46:37,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 216 [2021-03-25 17:46:37,168 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) [2021-03-25 17:46:37,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:46:37,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 216 [2021-03-25 17:46:37,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:46:44,130 INFO L129 PetriNetUnfolder]: 1704/3722 cut-off events. [2021-03-25 17:46:44,130 INFO L130 PetriNetUnfolder]: For 698556/707252 co-relation queries the response was YES. [2021-03-25 17:46:44,207 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. [2021-03-25 17:46:44,251 INFO L132 encePairwiseOnDemand]: 182/216 looper letters, 1588 selfloop transitions, 282 changer transitions 1/1874 dead transitions. [2021-03-25 17:46:44,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 1874 transitions, 87021 flow [2021-03-25 17:46:44,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 17:46:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 17:46:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 179 transitions. [2021-03-25 17:46:44,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06374643874643875 [2021-03-25 17:46:44,254 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 179 transitions. [2021-03-25 17:46:44,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 179 transitions. [2021-03-25 17:46:44,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:46:44,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 179 transitions. [2021-03-25 17:46:44,254 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) [2021-03-25 17:46:44,255 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) [2021-03-25 17:46:44,255 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) [2021-03-25 17:46:44,255 INFO L185 Difference]: Start difference. First operand has 644 places, 1854 transitions, 82497 flow. Second operand 13 states and 179 transitions. [2021-03-25 17:46:44,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 1874 transitions, 87021 flow [2021-03-25 17:46:48,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 1874 transitions, 86601 flow, removed 193 selfloop flow, removed 6 redundant places. [2021-03-25 17:46:48,704 INFO L241 Difference]: Finished difference. Result has 654 places, 1862 transitions, 83060 flow [2021-03-25 17:46:48,705 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} [2021-03-25 17:46:48,705 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 637 predicate places. [2021-03-25 17:46:48,705 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:46:48,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 1862 transitions, 83060 flow [2021-03-25 17:46:48,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 1862 transitions, 83060 flow [2021-03-25 17:46:48,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 653 places, 1862 transitions, 83060 flow [2021-03-25 17:46:50,582 INFO L129 PetriNetUnfolder]: 1704/3721 cut-off events. [2021-03-25 17:46:50,582 INFO L130 PetriNetUnfolder]: For 704273/704591 co-relation queries the response was YES. [2021-03-25 17:46:50,662 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. [2021-03-25 17:46:50,745 INFO L142 LiptonReduction]: Number of co-enabled transitions 3762 [2021-03-25 17:46:53,898 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:46:53,899 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:46:53,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5194 [2021-03-25 17:46:53,899 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 1859 transitions, 82922 flow [2021-03-25 17:46:53,899 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) [2021-03-25 17:46:53,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:46:53,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:46:54,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:46:54,100 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:46:54,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:46:54,100 INFO L82 PathProgramCache]: Analyzing trace with hash -153480941, now seen corresponding path program 1 times [2021-03-25 17:46:54,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:46:54,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78238065] [2021-03-25 17:46:54,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:46:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:46:54,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:54,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:54,132 INFO L142 QuantifierPusher]: treesize reduction 92, result has 45.2 percent of original size [2021-03-25 17:46:54,133 INFO L147 QuantifierPusher]: treesize reduction 20, result has 73.7 percent of original size 56 [2021-03-25 17:46:54,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:46:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:46:54,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78238065] [2021-03-25 17:46:54,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994144580] [2021-03-25 17:46:54,204 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 [2021-03-25 17:46:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:46:54,215 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-25 17:46:54,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:46:54,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:46:54,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:46:54,252 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-25 17:46:54,253 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-25 17:46:54,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:46:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:46:54,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 17:46:54,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:46:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-03-25 17:46:54,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:54,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:54,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:54,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:46:54,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:46:54,280 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:33 [2021-03-25 17:46:54,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:46:54,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:46:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:46:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:46:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:46:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:46:54,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:46:54,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:46:54,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:46:54,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:46:54,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:46:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:46:54,344 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 [2021-03-25 17:46:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:46:54,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:46:54,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:46:54,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:54,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:46:54,372 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. [2021-03-25 17:46:54,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:65 [2021-03-25 17:46:54,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:54,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:46:54,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:46:54,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:46:54,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:46:54,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:46:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:46:54,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:46:54,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:46:54,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270597] [2021-03-25 17:46:54,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:46:54,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:46:54,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:46:54,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:46:54,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 218 [2021-03-25 17:46:54,420 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) [2021-03-25 17:46:54,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:46:54,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 218 [2021-03-25 17:46:54,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:47:01,039 INFO L129 PetriNetUnfolder]: 1703/3720 cut-off events. [2021-03-25 17:47:01,040 INFO L130 PetriNetUnfolder]: For 709927/714951 co-relation queries the response was YES. [2021-03-25 17:47:01,118 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. [2021-03-25 17:47:01,163 INFO L132 encePairwiseOnDemand]: 183/218 looper letters, 1594 selfloop transitions, 261 changer transitions 4/1862 dead transitions. [2021-03-25 17:47:01,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 1862 transitions, 86837 flow [2021-03-25 17:47:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 17:47:01,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 17:47:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 139 transitions. [2021-03-25 17:47:01,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07084607543323139 [2021-03-25 17:47:01,165 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 139 transitions. [2021-03-25 17:47:01,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 139 transitions. [2021-03-25 17:47:01,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:47:01,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 139 transitions. [2021-03-25 17:47:01,165 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) [2021-03-25 17:47:01,166 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) [2021-03-25 17:47:01,166 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) [2021-03-25 17:47:01,166 INFO L185 Difference]: Start difference. First operand has 650 places, 1859 transitions, 82922 flow. Second operand 9 states and 139 transitions. [2021-03-25 17:47:01,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 1862 transitions, 86837 flow [2021-03-25 17:47:05,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 1862 transitions, 85908 flow, removed 66 selfloop flow, removed 13 redundant places. [2021-03-25 17:47:05,441 INFO L241 Difference]: Finished difference. Result has 646 places, 1857 transitions, 82366 flow [2021-03-25 17:47:05,442 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} [2021-03-25 17:47:05,442 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 629 predicate places. [2021-03-25 17:47:05,442 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:47:05,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 1857 transitions, 82366 flow [2021-03-25 17:47:05,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 1857 transitions, 82366 flow [2021-03-25 17:47:05,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 1857 transitions, 82366 flow [2021-03-25 17:47:07,618 INFO L129 PetriNetUnfolder]: 1702/3716 cut-off events. [2021-03-25 17:47:07,618 INFO L130 PetriNetUnfolder]: For 669386/669701 co-relation queries the response was YES. [2021-03-25 17:47:07,743 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. [2021-03-25 17:47:07,822 INFO L142 LiptonReduction]: Number of co-enabled transitions 3752 [2021-03-25 17:47:08,698 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:47:08,698 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:47:08,698 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3256 [2021-03-25 17:47:08,699 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 1857 transitions, 82366 flow [2021-03-25 17:47:08,699 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) [2021-03-25 17:47:08,699 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:47:08,699 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:47:08,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable121 [2021-03-25 17:47:08,899 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:47:08,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:47:08,900 INFO L82 PathProgramCache]: Analyzing trace with hash -465045617, now seen corresponding path program 1 times [2021-03-25 17:47:08,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:47:08,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262864632] [2021-03-25 17:47:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:47:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:47:08,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:08,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:47:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:47:08,963 INFO L142 QuantifierPusher]: treesize reduction 136, result has 35.5 percent of original size [2021-03-25 17:47:08,964 INFO L147 QuantifierPusher]: treesize reduction 28, result has 62.7 percent of original size 47 [2021-03-25 17:47:09,045 INFO L142 QuantifierPusher]: treesize reduction 140, result has 46.6 percent of original size [2021-03-25 17:47:09,046 INFO L147 QuantifierPusher]: treesize reduction 32, result has 73.8 percent of original size 90 [2021-03-25 17:47:09,194 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-03-25 17:47:09,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:47:09,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262864632] [2021-03-25 17:47:09,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856665615] [2021-03-25 17:47:09,206 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 [2021-03-25 17:47:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:47:09,226 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:47:09,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:47:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,248 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:47:09,249 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:47:09,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:09,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:09,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:09,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:09,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:09,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:09,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:09,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:09,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:09,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:09,286 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 [2021-03-25 17:47:09,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:09,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:09,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:47:09,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:09,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:47:09,295 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:47:09,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:09,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:09,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:09,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:47:09,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:47:09,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:09,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:47:09,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:47:09,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:09,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:47:09,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 17:47:09,322 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 [2021-03-25 17:47:09,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:47:09,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:47:09,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:47:09,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:47:09,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:47:09,344 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:49 [2021-03-25 17:47:09,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:47:09,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:09,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 17:47:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:47:09,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:47:09,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:47:09,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113807007] [2021-03-25 17:47:09,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:47:09,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:47:09,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:47:09,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:47:09,377 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 218 [2021-03-25 17:47:09,377 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) [2021-03-25 17:47:09,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:47:09,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 218 [2021-03-25 17:47:09,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:47:11,600 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-03-25 17:47:15,519 INFO L129 PetriNetUnfolder]: 1712/3739 cut-off events. [2021-03-25 17:47:15,519 INFO L130 PetriNetUnfolder]: For 682531/685674 co-relation queries the response was YES. [2021-03-25 17:47:15,599 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. [2021-03-25 17:47:15,649 INFO L132 encePairwiseOnDemand]: 161/218 looper letters, 1553 selfloop transitions, 324 changer transitions 1/1881 dead transitions. [2021-03-25 17:47:15,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 1881 transitions, 87406 flow [2021-03-25 17:47:15,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:47:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:47:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 171 transitions. [2021-03-25 17:47:15,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06536697247706422 [2021-03-25 17:47:15,651 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 171 transitions. [2021-03-25 17:47:15,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 171 transitions. [2021-03-25 17:47:15,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:47:15,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 171 transitions. [2021-03-25 17:47:15,652 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) [2021-03-25 17:47:15,653 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) [2021-03-25 17:47:15,653 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) [2021-03-25 17:47:15,653 INFO L185 Difference]: Start difference. First operand has 643 places, 1857 transitions, 82366 flow. Second operand 12 states and 171 transitions. [2021-03-25 17:47:15,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 1881 transitions, 87406 flow [2021-03-25 17:47:19,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 1881 transitions, 86882 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-25 17:47:19,795 INFO L241 Difference]: Finished difference. Result has 654 places, 1879 transitions, 84030 flow [2021-03-25 17:47:19,796 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} [2021-03-25 17:47:19,796 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 637 predicate places. [2021-03-25 17:47:19,796 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:47:19,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 1879 transitions, 84030 flow [2021-03-25 17:47:19,796 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 1879 transitions, 84030 flow [2021-03-25 17:47:19,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 1879 transitions, 84030 flow [2021-03-25 17:47:21,921 INFO L129 PetriNetUnfolder]: 1712/3738 cut-off events. [2021-03-25 17:47:21,921 INFO L130 PetriNetUnfolder]: For 690244/690813 co-relation queries the response was YES. [2021-03-25 17:47:22,109 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. [2021-03-25 17:47:22,208 INFO L142 LiptonReduction]: Number of co-enabled transitions 3796 [2021-03-25 17:47:26,607 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 17:47:26,608 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 17:47:26,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6812 [2021-03-25 17:47:26,608 INFO L480 AbstractCegarLoop]: Abstraction has has 653 places, 1875 transitions, 84016 flow [2021-03-25 17:47:26,608 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) [2021-03-25 17:47:26,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:47:26,608 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:47:26,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-03-25 17:47:26,809 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:47:26,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:47:26,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1361157984, now seen corresponding path program 1 times [2021-03-25 17:47:26,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:47:26,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495508251] [2021-03-25 17:47:26,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:47:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:47:26,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:26,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:26,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:26,837 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:47:26,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:47:26,842 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:47:26,842 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:47:26,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:47:26,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495508251] [2021-03-25 17:47:26,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246017381] [2021-03-25 17:47:26,867 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 [2021-03-25 17:47:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:47:26,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:47:26,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:47:26,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:26,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:26,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:26,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:26,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:26,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:26,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:26,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:26,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:26,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:26,963 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 [2021-03-25 17:47:26,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:26,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:26,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:47:26,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:26,972 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:47:26,972 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:47:26,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:26,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:26,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:47:26,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:47:26,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:47:26,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:47:26,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:47:26,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:47:26,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:47:26,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:26,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:26,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:47:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:47:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:27,003 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 [2021-03-25 17:47:27,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:47:27,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:47:27,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:47:27,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:27,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:47:27,016 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. [2021-03-25 17:47:27,016 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:47:27,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:27,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:47:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:47:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:47:27,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:47:27,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:47:27,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080906121] [2021-03-25 17:47:27,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:47:27,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:47:27,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:47:27,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:47:27,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-25 17:47:27,037 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) [2021-03-25 17:47:27,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:47:27,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-25 17:47:27,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:47:34,590 INFO L129 PetriNetUnfolder]: 1767/3866 cut-off events. [2021-03-25 17:47:34,590 INFO L130 PetriNetUnfolder]: For 729377/735399 co-relation queries the response was YES. [2021-03-25 17:47:34,658 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. [2021-03-25 17:47:34,699 INFO L132 encePairwiseOnDemand]: 188/225 looper letters, 1605 selfloop transitions, 337 changer transitions 32/1977 dead transitions. [2021-03-25 17:47:34,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 1977 transitions, 92203 flow [2021-03-25 17:47:34,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 17:47:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 17:47:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 196 transitions. [2021-03-25 17:47:34,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06222222222222222 [2021-03-25 17:47:34,701 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 196 transitions. [2021-03-25 17:47:34,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 196 transitions. [2021-03-25 17:47:34,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:47:34,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 196 transitions. [2021-03-25 17:47:34,702 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) [2021-03-25 17:47:34,703 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) [2021-03-25 17:47:34,703 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) [2021-03-25 17:47:34,703 INFO L185 Difference]: Start difference. First operand has 653 places, 1875 transitions, 84016 flow. Second operand 14 states and 196 transitions. [2021-03-25 17:47:34,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 1977 transitions, 92203 flow [2021-03-25 17:47:38,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 1977 transitions, 91998 flow, removed 87 selfloop flow, removed 3 redundant places. [2021-03-25 17:47:38,920 INFO L241 Difference]: Finished difference. Result has 666 places, 1915 transitions, 86007 flow [2021-03-25 17:47:38,921 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} [2021-03-25 17:47:38,921 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 649 predicate places. [2021-03-25 17:47:38,921 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:47:38,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 1915 transitions, 86007 flow [2021-03-25 17:47:38,921 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 1915 transitions, 86007 flow [2021-03-25 17:47:38,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 662 places, 1915 transitions, 86007 flow [2021-03-25 17:47:40,961 INFO L129 PetriNetUnfolder]: 1743/3804 cut-off events. [2021-03-25 17:47:40,961 INFO L130 PetriNetUnfolder]: For 722053/722320 co-relation queries the response was YES. [2021-03-25 17:47:41,036 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. [2021-03-25 17:47:41,120 INFO L142 LiptonReduction]: Number of co-enabled transitions 3868 [2021-03-25 17:47:43,497 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:47:43,497 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:47:43,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4576 [2021-03-25 17:47:43,497 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 1914 transitions, 85924 flow [2021-03-25 17:47:43,497 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) [2021-03-25 17:47:43,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:47:43,498 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:47:43,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:47:43,700 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:47:43,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:47:43,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1667502579, now seen corresponding path program 1 times [2021-03-25 17:47:43,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:47:43,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117767664] [2021-03-25 17:47:43,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:47:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:47:43,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:43,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:47:43,716 INFO L142 QuantifierPusher]: treesize reduction 158, result has 41.9 percent of original size [2021-03-25 17:47:43,731 INFO L147 QuantifierPusher]: treesize reduction 25, result has 78.1 percent of original size 89 [2021-03-25 17:47:43,896 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2021-03-25 17:47:43,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:43,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:43,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:47:43,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117767664] [2021-03-25 17:47:43,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:47:43,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:47:43,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082572379] [2021-03-25 17:47:43,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:47:43,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:47:43,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:47:43,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:47:43,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-25 17:47:43,907 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) [2021-03-25 17:47:43,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:47:43,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-25 17:47:43,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:47:51,186 INFO L129 PetriNetUnfolder]: 1742/3796 cut-off events. [2021-03-25 17:47:51,186 INFO L130 PetriNetUnfolder]: For 717182/718137 co-relation queries the response was YES. [2021-03-25 17:47:51,263 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. [2021-03-25 17:47:51,315 INFO L132 encePairwiseOnDemand]: 192/225 looper letters, 1652 selfloop transitions, 258 changer transitions 4/1917 dead transitions. [2021-03-25 17:47:51,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 1917 transitions, 89951 flow [2021-03-25 17:47:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:47:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:47:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 108 transitions. [2021-03-25 17:47:51,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.096 [2021-03-25 17:47:51,317 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 108 transitions. [2021-03-25 17:47:51,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 108 transitions. [2021-03-25 17:47:51,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:47:51,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 108 transitions. [2021-03-25 17:47:51,318 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) [2021-03-25 17:47:51,318 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) [2021-03-25 17:47:51,318 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) [2021-03-25 17:47:51,318 INFO L185 Difference]: Start difference. First operand has 661 places, 1914 transitions, 85924 flow. Second operand 5 states and 108 transitions. [2021-03-25 17:47:51,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 1917 transitions, 89951 flow [2021-03-25 17:47:55,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 1917 transitions, 89499 flow, removed 94 selfloop flow, removed 7 redundant places. [2021-03-25 17:47:55,680 INFO L241 Difference]: Finished difference. Result has 659 places, 1912 transitions, 85847 flow [2021-03-25 17:47:55,681 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} [2021-03-25 17:47:55,681 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 642 predicate places. [2021-03-25 17:47:55,681 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:47:55,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 659 places, 1912 transitions, 85847 flow [2021-03-25 17:47:55,682 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 659 places, 1912 transitions, 85847 flow [2021-03-25 17:47:55,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 1912 transitions, 85847 flow [2021-03-25 17:47:58,020 INFO L129 PetriNetUnfolder]: 1741/3792 cut-off events. [2021-03-25 17:47:58,020 INFO L130 PetriNetUnfolder]: For 713324/713657 co-relation queries the response was YES. [2021-03-25 17:47:58,090 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. [2021-03-25 17:47:58,171 INFO L142 LiptonReduction]: Number of co-enabled transitions 3862 [2021-03-25 17:47:59,262 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:47:59,262 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:47:59,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3581 [2021-03-25 17:47:59,262 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 1912 transitions, 85847 flow [2021-03-25 17:47:59,263 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) [2021-03-25 17:47:59,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:47:59,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:47:59,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-25 17:47:59,263 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:47:59,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:47:59,263 INFO L82 PathProgramCache]: Analyzing trace with hash -450725012, now seen corresponding path program 1 times [2021-03-25 17:47:59,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:47:59,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511845041] [2021-03-25 17:47:59,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:47:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:47:59,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:47:59,295 INFO L142 QuantifierPusher]: treesize reduction 146, result has 34.8 percent of original size [2021-03-25 17:47:59,296 INFO L147 QuantifierPusher]: treesize reduction 26, result has 66.7 percent of original size 52 [2021-03-25 17:47:59,404 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2021-03-25 17:47:59,407 INFO L142 QuantifierPusher]: treesize reduction 138, result has 48.5 percent of original size [2021-03-25 17:47:59,409 INFO L147 QuantifierPusher]: treesize reduction 35, result has 73.1 percent of original size 95 [2021-03-25 17:47:59,584 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2021-03-25 17:47:59,585 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:47:59,585 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:47:59,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:47:59,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511845041] [2021-03-25 17:47:59,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788156677] [2021-03-25 17:47:59,617 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 [2021-03-25 17:47:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:47:59,629 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:47:59,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:47:59,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:47:59,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:59,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:59,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:59,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:47:59,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:47:59,678 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 [2021-03-25 17:47:59,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:59,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:47:59,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:47:59,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:59,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:47:59,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:47:59,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:59,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:47:59,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:47:59,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:47:59,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:47:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:47:59,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:47:59,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:47:59,715 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 [2021-03-25 17:47:59,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:47:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:47:59,718 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:47:59,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:47:59,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:47:59,742 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:52 [2021-03-25 17:47:59,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:47:59,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:47:59,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:47:59,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:47:59,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:47:59,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:47:59,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:47:59,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:47:59,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 17:47:59,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 17:47:59,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:47:59,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:47:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:47:59,808 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 [2021-03-25 17:47:59,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:47:59,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:47:59,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:47:59,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:59,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:47:59,849 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. [2021-03-25 17:47:59,849 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:57 [2021-03-25 17:47:59,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:59,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:47:59,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:47:59,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:47:59,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:47:59,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:47:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:47:59,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:47:59,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:47:59,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58024080] [2021-03-25 17:47:59,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:47:59,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:47:59,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:47:59,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:47:59,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-25 17:47:59,898 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) [2021-03-25 17:47:59,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:47:59,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-25 17:47:59,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:48:07,029 INFO L129 PetriNetUnfolder]: 1752/3819 cut-off events. [2021-03-25 17:48:07,029 INFO L130 PetriNetUnfolder]: For 733946/740711 co-relation queries the response was YES. [2021-03-25 17:48:07,111 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. [2021-03-25 17:48:07,159 INFO L132 encePairwiseOnDemand]: 170/225 looper letters, 1586 selfloop transitions, 334 changer transitions 20/1943 dead transitions. [2021-03-25 17:48:07,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 1943 transitions, 91628 flow [2021-03-25 17:48:07,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 17:48:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 17:48:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 153 transitions. [2021-03-25 17:48:07,162 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.068 [2021-03-25 17:48:07,163 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 153 transitions. [2021-03-25 17:48:07,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 153 transitions. [2021-03-25 17:48:07,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:48:07,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 153 transitions. [2021-03-25 17:48:07,163 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) [2021-03-25 17:48:07,164 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) [2021-03-25 17:48:07,164 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) [2021-03-25 17:48:07,164 INFO L185 Difference]: Start difference. First operand has 657 places, 1912 transitions, 85847 flow. Second operand 10 states and 153 transitions. [2021-03-25 17:48:07,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 1943 transitions, 91628 flow [2021-03-25 17:48:11,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 1943 transitions, 91096 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 17:48:11,729 INFO L241 Difference]: Finished difference. Result has 666 places, 1913 transitions, 86113 flow [2021-03-25 17:48:11,730 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} [2021-03-25 17:48:11,730 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 649 predicate places. [2021-03-25 17:48:11,730 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:48:11,730 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 1913 transitions, 86113 flow [2021-03-25 17:48:11,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 1913 transitions, 86113 flow [2021-03-25 17:48:11,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 1913 transitions, 86113 flow [2021-03-25 17:48:13,976 INFO L129 PetriNetUnfolder]: 1745/3797 cut-off events. [2021-03-25 17:48:13,976 INFO L130 PetriNetUnfolder]: For 719516/719589 co-relation queries the response was YES. [2021-03-25 17:48:14,183 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. [2021-03-25 17:48:14,272 INFO L142 LiptonReduction]: Number of co-enabled transitions 3864 [2021-03-25 17:48:15,310 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:48:15,311 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:48:15,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3581 [2021-03-25 17:48:15,311 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 1913 transitions, 86113 flow [2021-03-25 17:48:15,311 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) [2021-03-25 17:48:15,311 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:48:15,311 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:48:15,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-03-25 17:48:15,512 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:48:15,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:48:15,512 INFO L82 PathProgramCache]: Analyzing trace with hash -450269281, now seen corresponding path program 1 times [2021-03-25 17:48:15,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:48:15,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371356417] [2021-03-25 17:48:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:48:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:48:15,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:15,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:15,534 INFO L142 QuantifierPusher]: treesize reduction 150, result has 28.9 percent of original size [2021-03-25 17:48:15,535 INFO L147 QuantifierPusher]: treesize reduction 14, result has 77.0 percent of original size 47 [2021-03-25 17:48:15,619 INFO L142 QuantifierPusher]: treesize reduction 152, result has 42.0 percent of original size [2021-03-25 17:48:15,621 INFO L147 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size 90 [2021-03-25 17:48:15,760 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2021-03-25 17:48:15,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:48:15,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371356417] [2021-03-25 17:48:15,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905451386] [2021-03-25 17:48:15,773 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 [2021-03-25 17:48:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:48:15,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:48:15,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:48:15,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:15,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:15,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:15,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:15,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:15,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:15,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:15,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:15,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:15,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:15,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:15,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:15,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:15,890 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 [2021-03-25 17:48:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:15,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:48:15,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:15,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:48:15,903 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:48:15,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:15,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:15,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:48:15,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:48:15,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:48:15,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:48:15,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 17:48:15,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 17:48:15,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:48:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:48:15,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:48:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:48:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:15,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:16,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:16,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:16,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:16,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:16,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:16,010 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 [2021-03-25 17:48:16,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:48:16,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:48:16,014 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:48:16,046 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:16,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:48:16,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:48:16,050 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. [2021-03-25 17:48:16,050 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:66 [2021-03-25 17:48:16,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:16,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:48:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:48:16,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:16,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:48:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:48:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:48:16,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:48:16,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:48:16,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124892230] [2021-03-25 17:48:16,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:48:16,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:48:16,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:48:16,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:48:16,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-25 17:48:16,094 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) [2021-03-25 17:48:16,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:48:16,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-25 17:48:16,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:48:22,301 INFO L129 PetriNetUnfolder]: 1746/3799 cut-off events. [2021-03-25 17:48:22,302 INFO L130 PetriNetUnfolder]: For 735248/736904 co-relation queries the response was YES. [2021-03-25 17:48:22,370 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. [2021-03-25 17:48:22,411 INFO L132 encePairwiseOnDemand]: 196/225 looper letters, 1876 selfloop transitions, 37 changer transitions 0/1916 dead transitions. [2021-03-25 17:48:22,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 1916 transitions, 90137 flow [2021-03-25 17:48:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:48:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:48:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 123 transitions. [2021-03-25 17:48:22,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07809523809523809 [2021-03-25 17:48:22,413 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 123 transitions. [2021-03-25 17:48:22,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 123 transitions. [2021-03-25 17:48:22,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:48:22,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 123 transitions. [2021-03-25 17:48:22,414 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) [2021-03-25 17:48:22,414 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) [2021-03-25 17:48:22,414 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) [2021-03-25 17:48:22,414 INFO L185 Difference]: Start difference. First operand has 661 places, 1913 transitions, 86113 flow. Second operand 7 states and 123 transitions. [2021-03-25 17:48:22,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 1916 transitions, 90137 flow [2021-03-25 17:48:26,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 1916 transitions, 89360 flow, removed 36 selfloop flow, removed 6 redundant places. [2021-03-25 17:48:26,768 INFO L241 Difference]: Finished difference. Result has 662 places, 1915 transitions, 85595 flow [2021-03-25 17:48:26,770 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} [2021-03-25 17:48:26,770 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 645 predicate places. [2021-03-25 17:48:26,770 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:48:26,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 662 places, 1915 transitions, 85595 flow [2021-03-25 17:48:26,770 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 662 places, 1915 transitions, 85595 flow [2021-03-25 17:48:26,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 662 places, 1915 transitions, 85595 flow [2021-03-25 17:48:28,957 INFO L129 PetriNetUnfolder]: 1746/3799 cut-off events. [2021-03-25 17:48:28,957 INFO L130 PetriNetUnfolder]: For 722897/723248 co-relation queries the response was YES. [2021-03-25 17:48:29,035 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. [2021-03-25 17:48:29,120 INFO L142 LiptonReduction]: Number of co-enabled transitions 3868 [2021-03-25 17:48:31,491 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:48:31,491 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:48:31,492 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4721 [2021-03-25 17:48:31,492 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 1914 transitions, 85512 flow [2021-03-25 17:48:31,492 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) [2021-03-25 17:48:31,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:48:31,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:48:31,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,101 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:48:31,700 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:48:31,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:48:31,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1073445657, now seen corresponding path program 1 times [2021-03-25 17:48:31,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:48:31,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636415936] [2021-03-25 17:48:31,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:48:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:48:31,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:31,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:31,720 INFO L142 QuantifierPusher]: treesize reduction 211, result has 2.3 percent of original size [2021-03-25 17:48:31,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:31,729 INFO L142 QuantifierPusher]: treesize reduction 212, result has 20.6 percent of original size [2021-03-25 17:48:31,730 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size 49 [2021-03-25 17:48:31,766 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:48:31,766 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:48:31,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:48:31,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636415936] [2021-03-25 17:48:31,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521111831] [2021-03-25 17:48:31,799 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 [2021-03-25 17:48:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:48:31,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:48:31,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:48:31,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:31,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:31,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:31,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:31,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:31,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:31,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:31,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:31,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:31,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:31,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:31,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:31,896 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 [2021-03-25 17:48:31,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:31,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:31,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:48:31,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:31,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:48:31,906 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:48:31,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:31,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:31,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:48:31,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:48:31,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:48:31,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:48:31,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:48:31,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 17:48:31,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 17:48:31,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 17:48:31,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:31,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:48:31,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:48:31,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:31,989 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 [2021-03-25 17:48:31,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:48:31,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:31,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:48:31,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:48:32,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:48:32,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 17:48:32,025 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. [2021-03-25 17:48:32,025 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:71 [2021-03-25 17:48:32,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:48:32,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 17:48:32,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:48:32,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 17:48:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:48:32,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:48:32,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:48:32,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:48:32,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:32,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:48:32,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:48:32,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:48:32,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:48:32,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:48:32,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:48:32,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 17:48:32,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:32,276 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2021-03-25 17:48:32,276 INFO L354 Elim1Store]: treesize reduction 154, result has 26.3 percent of original size [2021-03-25 17:48:32,276 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 [2021-03-25 17:48:32,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:48:32,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:48:32,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:48:32,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:48:32,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:32,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:48:32,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:48:32,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:48:32,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 17:48:32,325 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. [2021-03-25 17:48:32,325 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:76 [2021-03-25 17:48:32,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:48:32,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:32,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:48:32,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:48:32,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:48:32,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 17:48:32,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:32,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:32,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 17:48:32,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-25 17:48:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:48:32,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:48:32,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:48:32,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138969525] [2021-03-25 17:48:32,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:48:32,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:48:32,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:48:32,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:48:32,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 225 [2021-03-25 17:48:32,388 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) [2021-03-25 17:48:32,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:48:32,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 225 [2021-03-25 17:48:32,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:48:41,021 INFO L129 PetriNetUnfolder]: 1765/3840 cut-off events. [2021-03-25 17:48:41,021 INFO L130 PetriNetUnfolder]: For 745664/751055 co-relation queries the response was YES. [2021-03-25 17:48:41,089 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. [2021-03-25 17:48:41,131 INFO L132 encePairwiseOnDemand]: 194/225 looper letters, 1658 selfloop transitions, 285 changer transitions 0/1946 dead transitions. [2021-03-25 17:48:41,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 1946 transitions, 90836 flow [2021-03-25 17:48:41,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 17:48:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 17:48:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 178 transitions. [2021-03-25 17:48:41,134 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.060854700854700856 [2021-03-25 17:48:41,134 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 178 transitions. [2021-03-25 17:48:41,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 178 transitions. [2021-03-25 17:48:41,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:48:41,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 178 transitions. [2021-03-25 17:48:41,134 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) [2021-03-25 17:48:41,135 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) [2021-03-25 17:48:41,136 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) [2021-03-25 17:48:41,136 INFO L185 Difference]: Start difference. First operand has 662 places, 1914 transitions, 85512 flow. Second operand 13 states and 178 transitions. [2021-03-25 17:48:41,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 1946 transitions, 90836 flow [2021-03-25 17:48:45,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 1946 transitions, 90669 flow, removed 48 selfloop flow, removed 4 redundant places. [2021-03-25 17:48:45,850 INFO L241 Difference]: Finished difference. Result has 674 places, 1936 transitions, 87123 flow [2021-03-25 17:48:45,851 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} [2021-03-25 17:48:45,851 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 657 predicate places. [2021-03-25 17:48:45,851 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:48:45,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 674 places, 1936 transitions, 87123 flow [2021-03-25 17:48:45,851 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 674 places, 1936 transitions, 87123 flow [2021-03-25 17:48:45,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 1936 transitions, 87123 flow [2021-03-25 17:48:48,292 INFO L129 PetriNetUnfolder]: 1765/3840 cut-off events. [2021-03-25 17:48:48,292 INFO L130 PetriNetUnfolder]: For 748428/748915 co-relation queries the response was YES. [2021-03-25 17:48:48,368 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. [2021-03-25 17:48:48,455 INFO L142 LiptonReduction]: Number of co-enabled transitions 3910 [2021-03-25 17:48:50,208 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-25 17:48:52,215 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:48:52,216 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:48:52,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6365 [2021-03-25 17:48:52,216 INFO L480 AbstractCegarLoop]: Abstraction has has 671 places, 1933 transitions, 86982 flow [2021-03-25 17:48:52,216 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) [2021-03-25 17:48:52,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:48:52,216 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:48:52,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-03-25 17:48:52,420 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:48:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:48:52,420 INFO L82 PathProgramCache]: Analyzing trace with hash -707241626, now seen corresponding path program 2 times [2021-03-25 17:48:52,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:48:52,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594873205] [2021-03-25 17:48:52,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:48:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:48:52,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:48:52,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:48:52,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:48:52,460 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-03-25 17:48:52,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:48:52,479 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 17:48:52,479 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-25 17:48:52,508 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:48:52,508 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:48:52,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 17:48:52,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594873205] [2021-03-25 17:48:52,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096644395] [2021-03-25 17:48:52,542 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 [2021-03-25 17:48:52,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 17:48:52,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 17:48:52,554 WARN L261 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-25 17:48:52,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:48:52,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,576 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:48:52,576 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:48:52,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,597 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:48:52,597 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:48:52,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:48:52,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:52,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:52,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:52,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:52,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:48:52,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:48:52,645 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 [2021-03-25 17:48:52,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:52,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:48:52,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:48:52,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:52,656 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:48:52,656 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:48:52,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:52,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:52,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:52,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:48:52,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:52,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:48:52,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:48:52,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:48:52,687 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 [2021-03-25 17:48:52,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:48:52,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:48:52,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:48:52,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:48:52,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:48:52,699 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-03-25 17:48:52,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:48:52,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:48:52,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:48:52,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:48:52,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:48:52,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:48:52,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:48:52,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:48:52,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:48:52,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:48:52,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:48:52,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:48:52,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:52,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:48:52,741 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 [2021-03-25 17:48:52,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:48:52,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:48:52,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:48:52,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:52,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:48:52,757 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. [2021-03-25 17:48:52,757 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:22 [2021-03-25 17:48:52,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:52,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:48:52,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:48:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:48:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:48:52,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:48:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:48:52,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:48:52,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-03-25 17:48:52,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596152456] [2021-03-25 17:48:52,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 17:48:52,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:48:52,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 17:48:52,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-03-25 17:48:52,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 227 [2021-03-25 17:48:52,789 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) [2021-03-25 17:48:52,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:48:52,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 227 [2021-03-25 17:48:52,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:49:00,972 INFO L129 PetriNetUnfolder]: 1766/3844 cut-off events. [2021-03-25 17:49:00,972 INFO L130 PetriNetUnfolder]: For 762555/771776 co-relation queries the response was YES. [2021-03-25 17:49:01,038 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. [2021-03-25 17:49:01,082 INFO L132 encePairwiseOnDemand]: 187/227 looper letters, 1654 selfloop transitions, 276 changer transitions 18/1951 dead transitions. [2021-03-25 17:49:01,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 1951 transitions, 91920 flow [2021-03-25 17:49:01,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 17:49:01,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 17:49:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 187 transitions. [2021-03-25 17:49:01,084 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.05884203901825047 [2021-03-25 17:49:01,084 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 187 transitions. [2021-03-25 17:49:01,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 187 transitions. [2021-03-25 17:49:01,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:49:01,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 187 transitions. [2021-03-25 17:49:01,085 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) [2021-03-25 17:49:01,086 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) [2021-03-25 17:49:01,086 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) [2021-03-25 17:49:01,086 INFO L185 Difference]: Start difference. First operand has 671 places, 1933 transitions, 86982 flow. Second operand 14 states and 187 transitions. [2021-03-25 17:49:01,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 1951 transitions, 91920 flow [2021-03-25 17:49:05,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 1951 transitions, 91572 flow, removed 41 selfloop flow, removed 8 redundant places. [2021-03-25 17:49:05,606 INFO L241 Difference]: Finished difference. Result has 679 places, 1929 transitions, 87018 flow [2021-03-25 17:49:05,608 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} [2021-03-25 17:49:05,608 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 662 predicate places. [2021-03-25 17:49:05,608 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:49:05,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 679 places, 1929 transitions, 87018 flow [2021-03-25 17:49:05,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 679 places, 1929 transitions, 87018 flow [2021-03-25 17:49:05,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 1929 transitions, 87018 flow [2021-03-25 17:49:07,779 INFO L129 PetriNetUnfolder]: 1760/3825 cut-off events. [2021-03-25 17:49:07,779 INFO L130 PetriNetUnfolder]: For 731048/731048 co-relation queries the response was YES. [2021-03-25 17:49:07,848 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. [2021-03-25 17:49:07,929 INFO L142 LiptonReduction]: Number of co-enabled transitions 3896 [2021-03-25 17:49:10,045 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 17:49:10,045 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 17:49:10,045 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4437 [2021-03-25 17:49:10,045 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 1924 transitions, 86783 flow [2021-03-25 17:49:10,045 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) [2021-03-25 17:49:10,045 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:49:10,045 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:49:10,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128,103 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:49:10,246 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:49:10,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:49:10,246 INFO L82 PathProgramCache]: Analyzing trace with hash -450269002, now seen corresponding path program 1 times [2021-03-25 17:49:10,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:49:10,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092998056] [2021-03-25 17:49:10,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:49:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:49:10,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:49:10,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:49:10,399 INFO L142 QuantifierPusher]: treesize reduction 173, result has 35.2 percent of original size [2021-03-25 17:49:10,401 INFO L147 QuantifierPusher]: treesize reduction 35, result has 62.8 percent of original size 59 [2021-03-25 17:49:10,533 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-03-25 17:49:10,537 INFO L142 QuantifierPusher]: treesize reduction 190, result has 42.1 percent of original size [2021-03-25 17:49:10,538 INFO L147 QuantifierPusher]: treesize reduction 26, result has 81.2 percent of original size 112 [2021-03-25 17:49:10,778 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2021-03-25 17:49:10,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:49:10,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092998056] [2021-03-25 17:49:10,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111173089] [2021-03-25 17:49:10,794 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) [2021-03-25 17:49:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:49:10,817 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:49:10,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:49:10,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:49:10,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,866 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:49:10,866 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:49:10,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:10,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:10,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:49:10,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:10,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:10,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:49:10,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:10,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:10,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:49:10,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:10,893 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 [2021-03-25 17:49:10,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:10,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:10,895 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:49:10,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:49:10,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:49:10,903 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:49:10,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:49:10,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:49:10,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:10,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:49:10,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:49:10,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:10,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:49:10,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:49:10,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:10,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:49:10,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 17:49:10,933 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 [2021-03-25 17:49:10,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:49:10,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:49:10,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:49:10,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:49:10,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:49:10,961 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:59 [2021-03-25 17:49:10,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:49:10,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:10,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 17:49:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:49:11,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:49:11,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:49:11,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748392457] [2021-03-25 17:49:11,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:49:11,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:49:11,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:49:11,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:49:11,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 229 [2021-03-25 17:49:11,003 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) [2021-03-25 17:49:11,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:49:11,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 229 [2021-03-25 17:49:11,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:49:13,507 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-03-25 17:49:17,940 INFO L129 PetriNetUnfolder]: 1766/3836 cut-off events. [2021-03-25 17:49:17,940 INFO L130 PetriNetUnfolder]: For 750398/753495 co-relation queries the response was YES. [2021-03-25 17:49:18,009 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. [2021-03-25 17:49:18,052 INFO L132 encePairwiseOnDemand]: 170/229 looper letters, 1615 selfloop transitions, 322 changer transitions 1/1941 dead transitions. [2021-03-25 17:49:18,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 1941 transitions, 91682 flow [2021-03-25 17:49:18,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:49:18,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:49:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 175 transitions. [2021-03-25 17:49:18,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06368267831149928 [2021-03-25 17:49:18,055 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 175 transitions. [2021-03-25 17:49:18,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 175 transitions. [2021-03-25 17:49:18,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:49:18,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 175 transitions. [2021-03-25 17:49:18,055 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) [2021-03-25 17:49:18,057 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) [2021-03-25 17:49:18,057 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) [2021-03-25 17:49:18,057 INFO L185 Difference]: Start difference. First operand has 672 places, 1924 transitions, 86783 flow. Second operand 12 states and 175 transitions. [2021-03-25 17:49:18,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 1941 transitions, 91682 flow [2021-03-25 17:49:22,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 1941 transitions, 91298 flow, removed 50 selfloop flow, removed 8 redundant places. [2021-03-25 17:49:22,452 INFO L241 Difference]: Finished difference. Result has 680 places, 1939 transitions, 88316 flow [2021-03-25 17:49:22,453 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} [2021-03-25 17:49:22,453 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 663 predicate places. [2021-03-25 17:49:22,453 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:49:22,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 680 places, 1939 transitions, 88316 flow [2021-03-25 17:49:22,453 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 680 places, 1939 transitions, 88316 flow [2021-03-25 17:49:22,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 680 places, 1939 transitions, 88316 flow [2021-03-25 17:49:24,609 INFO L129 PetriNetUnfolder]: 1766/3835 cut-off events. [2021-03-25 17:49:24,610 INFO L130 PetriNetUnfolder]: For 751012/751012 co-relation queries the response was YES. [2021-03-25 17:49:24,677 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. [2021-03-25 17:49:24,758 INFO L142 LiptonReduction]: Number of co-enabled transitions 3916 [2021-03-25 17:49:26,446 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 17:49:26,637 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 17:49:29,915 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-25 17:49:29,915 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 17:49:29,915 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7462 [2021-03-25 17:49:29,916 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 1936 transitions, 88362 flow [2021-03-25 17:49:29,916 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) [2021-03-25 17:49:29,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:49:29,916 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:49:30,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129 [2021-03-25 17:49:30,116 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:49:30,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:49:30,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1645837350, now seen corresponding path program 1 times [2021-03-25 17:49:30,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:49:30,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427872783] [2021-03-25 17:49:30,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:49:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:49:30,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:30,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:30,136 INFO L142 QuantifierPusher]: treesize reduction 34, result has 24.4 percent of original size [2021-03-25 17:49:30,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:49:30,150 INFO L142 QuantifierPusher]: treesize reduction 40, result has 37.5 percent of original size [2021-03-25 17:49:30,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:49:30,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 17:49:30,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427872783] [2021-03-25 17:49:30,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661903690] [2021-03-25 17:49:30,183 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 [2021-03-25 17:49:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:49:30,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 17:49:30,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:49:30,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:49:30,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:49:30,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:49:30,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:49:30,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:49:30,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:49:30,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:49:30,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:49:30,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:49:30,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:49:30,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:49:30,295 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 [2021-03-25 17:49:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:30,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:49:30,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:49:30,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:49:30,305 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:49:30,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:49:30,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:49:30,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:49:30,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:49:30,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:49:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:49:30,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:49:30,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:49:30,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 17:49:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:49:30,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:49:30,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 17:49:30,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:49:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:49:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:49:30,348 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 [2021-03-25 17:49:30,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:49:30,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:49:30,351 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:49:30,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:49:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:49:30,369 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. [2021-03-25 17:49:30,369 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:24 [2021-03-25 17:49:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:49:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:49:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:49:30,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:30,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 17:49:30,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 17:49:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:49:30,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:49:30,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-25 17:49:30,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735862929] [2021-03-25 17:49:30,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 17:49:30,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:49:30,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 17:49:30,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-03-25 17:49:30,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 236 [2021-03-25 17:49:30,402 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) [2021-03-25 17:49:30,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:49:30,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 236 [2021-03-25 17:49:30,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:49:39,048 INFO L129 PetriNetUnfolder]: 1775/3866 cut-off events. [2021-03-25 17:49:39,049 INFO L130 PetriNetUnfolder]: For 776838/777959 co-relation queries the response was YES. [2021-03-25 17:49:39,124 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. [2021-03-25 17:49:39,166 INFO L132 encePairwiseOnDemand]: 177/236 looper letters, 1547 selfloop transitions, 443 changer transitions 1/1994 dead transitions. [2021-03-25 17:49:39,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 1994 transitions, 95427 flow [2021-03-25 17:49:39,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 17:49:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 17:49:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 229 transitions. [2021-03-25 17:49:39,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.05707876370887338 [2021-03-25 17:49:39,169 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 229 transitions. [2021-03-25 17:49:39,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 229 transitions. [2021-03-25 17:49:39,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:49:39,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 229 transitions. [2021-03-25 17:49:39,169 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) [2021-03-25 17:49:39,171 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) [2021-03-25 17:49:39,171 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) [2021-03-25 17:49:39,171 INFO L185 Difference]: Start difference. First operand has 679 places, 1936 transitions, 88362 flow. Second operand 17 states and 229 transitions. [2021-03-25 17:49:39,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 1994 transitions, 95427 flow [2021-03-25 17:49:43,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 689 places, 1994 transitions, 95188 flow, removed 100 selfloop flow, removed 6 redundant places. [2021-03-25 17:49:43,729 INFO L241 Difference]: Finished difference. Result has 692 places, 1956 transitions, 90348 flow [2021-03-25 17:49:43,731 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} [2021-03-25 17:49:43,731 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 675 predicate places. [2021-03-25 17:49:43,731 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:49:43,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 692 places, 1956 transitions, 90348 flow [2021-03-25 17:49:43,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 692 places, 1956 transitions, 90348 flow [2021-03-25 17:49:43,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 691 places, 1956 transitions, 90348 flow [2021-03-25 17:49:45,815 INFO L129 PetriNetUnfolder]: 1775/3865 cut-off events. [2021-03-25 17:49:45,816 INFO L130 PetriNetUnfolder]: For 802737/803975 co-relation queries the response was YES. [2021-03-25 17:49:45,912 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. [2021-03-25 17:49:46,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 3950 [2021-03-25 17:49:49,919 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 17:49:49,919 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 17:49:49,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6188 [2021-03-25 17:49:49,919 INFO L480 AbstractCegarLoop]: Abstraction has has 691 places, 1953 transitions, 90199 flow [2021-03-25 17:49:49,920 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) [2021-03-25 17:49:49,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:49:49,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:49:50,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,105 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:49:50,120 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:49:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:49:50,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1667491667, now seen corresponding path program 1 times [2021-03-25 17:49:50,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:49:50,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544970073] [2021-03-25 17:49:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:49:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:49:50,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:50,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:49:50,137 INFO L142 QuantifierPusher]: treesize reduction 209, result has 42.9 percent of original size [2021-03-25 17:49:50,139 INFO L147 QuantifierPusher]: treesize reduction 35, result has 77.7 percent of original size 122 [2021-03-25 17:49:50,323 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 42 [2021-03-25 17:49:50,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:49:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:49:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:49:50,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544970073] [2021-03-25 17:49:50,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:49:50,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:49:50,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59667020] [2021-03-25 17:49:50,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:49:50,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:49:50,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:49:50,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:49:50,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 238 [2021-03-25 17:49:50,338 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) [2021-03-25 17:49:50,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:49:50,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 238 [2021-03-25 17:49:50,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:49:57,184 INFO L129 PetriNetUnfolder]: 1774/3861 cut-off events. [2021-03-25 17:49:57,184 INFO L130 PetriNetUnfolder]: For 801716/802254 co-relation queries the response was YES. [2021-03-25 17:49:57,256 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. [2021-03-25 17:49:57,299 INFO L132 encePairwiseOnDemand]: 203/238 looper letters, 1698 selfloop transitions, 251 changer transitions 4/1956 dead transitions. [2021-03-25 17:49:57,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 1956 transitions, 94309 flow [2021-03-25 17:49:57,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:49:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:49:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 115 transitions. [2021-03-25 17:49:57,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.09663865546218488 [2021-03-25 17:49:57,301 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 115 transitions. [2021-03-25 17:49:57,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 115 transitions. [2021-03-25 17:49:57,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:49:57,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 115 transitions. [2021-03-25 17:49:57,302 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) [2021-03-25 17:49:57,302 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) [2021-03-25 17:49:57,302 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) [2021-03-25 17:49:57,302 INFO L185 Difference]: Start difference. First operand has 691 places, 1953 transitions, 90199 flow. Second operand 5 states and 115 transitions. [2021-03-25 17:49:57,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 1956 transitions, 94309 flow [2021-03-25 17:50:02,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 1956 transitions, 94003 flow, removed 107 selfloop flow, removed 5 redundant places. [2021-03-25 17:50:02,233 INFO L241 Difference]: Finished difference. Result has 691 places, 1951 transitions, 90241 flow [2021-03-25 17:50:02,234 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} [2021-03-25 17:50:02,234 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 674 predicate places. [2021-03-25 17:50:02,234 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:50:02,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 691 places, 1951 transitions, 90241 flow [2021-03-25 17:50:02,234 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 691 places, 1951 transitions, 90241 flow [2021-03-25 17:50:02,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 689 places, 1951 transitions, 90241 flow [2021-03-25 17:50:04,586 INFO L129 PetriNetUnfolder]: 1773/3857 cut-off events. [2021-03-25 17:50:04,586 INFO L130 PetriNetUnfolder]: For 800821/800821 co-relation queries the response was YES. [2021-03-25 17:50:04,677 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. [2021-03-25 17:50:04,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 3940 [2021-03-25 17:50:06,037 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:50:06,037 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:50:06,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3803 [2021-03-25 17:50:06,038 INFO L480 AbstractCegarLoop]: Abstraction has has 689 places, 1951 transitions, 90241 flow [2021-03-25 17:50:06,038 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) [2021-03-25 17:50:06,038 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:50:06,038 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:50:06,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-25 17:50:06,038 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:50:06,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:50:06,038 INFO L82 PathProgramCache]: Analyzing trace with hash -440110271, now seen corresponding path program 1 times [2021-03-25 17:50:06,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:50:06,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180845440] [2021-03-25 17:50:06,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:50:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:50:06,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:06,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:06,058 INFO L142 QuantifierPusher]: treesize reduction 182, result has 31.8 percent of original size [2021-03-25 17:50:06,059 INFO L147 QuantifierPusher]: treesize reduction 26, result has 69.4 percent of original size 59 [2021-03-25 17:50:06,164 INFO L142 QuantifierPusher]: treesize reduction 191, result has 41.8 percent of original size [2021-03-25 17:50:06,165 INFO L147 QuantifierPusher]: treesize reduction 25, result has 81.8 percent of original size 112 [2021-03-25 17:50:06,297 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-25 17:50:06,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:50:06,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180845440] [2021-03-25 17:50:06,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438011290] [2021-03-25 17:50:06,310 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 [2021-03-25 17:50:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:50:06,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 17:50:06,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:50:06,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:06,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:06,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:06,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:06,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:06,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:06,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:50:06,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:06,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:50:06,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:06,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:50:06,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:06,407 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 [2021-03-25 17:50:06,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:06,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:06,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:50:06,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:50:06,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:50:06,417 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:50:06,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:50:06,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:50:06,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:50:06,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:50:06,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:50:06,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:50:06,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 17:50:06,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 17:50:06,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 17:50:06,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:50:06,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 17:50:06,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:50:06,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:06,522 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 [2021-03-25 17:50:06,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:50:06,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-25 17:50:06,525 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:50:06,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:50:06,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:50:06,559 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. [2021-03-25 17:50:06,559 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:63, output treesize:80 [2021-03-25 17:50:06,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:50:06,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:50:06,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:06,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:06,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:50:06,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:50:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:50:06,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 17:50:06,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-03-25 17:50:06,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378153648] [2021-03-25 17:50:06,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:50:06,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:50:06,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:50:06,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:50:06,600 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 238 [2021-03-25 17:50:06,601 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) [2021-03-25 17:50:06,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:50:06,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 238 [2021-03-25 17:50:06,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:50:13,458 INFO L129 PetriNetUnfolder]: 1774/3859 cut-off events. [2021-03-25 17:50:13,458 INFO L130 PetriNetUnfolder]: For 821854/825455 co-relation queries the response was YES. [2021-03-25 17:50:13,539 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. [2021-03-25 17:50:13,586 INFO L132 encePairwiseOnDemand]: 208/238 looper letters, 1911 selfloop transitions, 41 changer transitions 0/1955 dead transitions. [2021-03-25 17:50:13,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 1955 transitions, 94376 flow [2021-03-25 17:50:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:50:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:50:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-25 17:50:13,589 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07923169267707082 [2021-03-25 17:50:13,589 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-25 17:50:13,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-25 17:50:13,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:50:13,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-25 17:50:13,589 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) [2021-03-25 17:50:13,590 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) [2021-03-25 17:50:13,590 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) [2021-03-25 17:50:13,590 INFO L185 Difference]: Start difference. First operand has 689 places, 1951 transitions, 90241 flow. Second operand 7 states and 132 transitions. [2021-03-25 17:50:13,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 1955 transitions, 94376 flow [2021-03-25 17:50:19,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 1955 transitions, 93872 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 17:50:19,373 INFO L241 Difference]: Finished difference. Result has 693 places, 1954 transitions, 90041 flow [2021-03-25 17:50:19,374 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} [2021-03-25 17:50:19,374 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 676 predicate places. [2021-03-25 17:50:19,374 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:50:19,374 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 693 places, 1954 transitions, 90041 flow [2021-03-25 17:50:19,374 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 693 places, 1954 transitions, 90041 flow [2021-03-25 17:50:19,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 693 places, 1954 transitions, 90041 flow [2021-03-25 17:50:21,797 INFO L129 PetriNetUnfolder]: 1774/3859 cut-off events. [2021-03-25 17:50:21,797 INFO L130 PetriNetUnfolder]: For 807478/807809 co-relation queries the response was YES. [2021-03-25 17:50:21,868 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. [2021-03-25 17:50:21,954 INFO L142 LiptonReduction]: Number of co-enabled transitions 3946 [2021-03-25 17:50:22,774 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 17:50:24,691 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:50:24,691 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:50:24,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5318 [2021-03-25 17:50:24,692 INFO L480 AbstractCegarLoop]: Abstraction has has 693 places, 1953 transitions, 89984 flow [2021-03-25 17:50:24,692 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) [2021-03-25 17:50:24,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:50:24,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:50:24,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,106 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:50:24,893 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:50:24,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:50:24,893 INFO L82 PathProgramCache]: Analyzing trace with hash -440557632, now seen corresponding path program 1 times [2021-03-25 17:50:24,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:50:24,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775969261] [2021-03-25 17:50:24,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:50:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:50:24,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:24,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:50:24,923 INFO L142 QuantifierPusher]: treesize reduction 183, result has 34.6 percent of original size [2021-03-25 17:50:24,924 INFO L147 QuantifierPusher]: treesize reduction 33, result has 66.0 percent of original size 64 [2021-03-25 17:50:25,073 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2021-03-25 17:50:25,076 INFO L142 QuantifierPusher]: treesize reduction 177, result has 47.0 percent of original size [2021-03-25 17:50:25,078 INFO L147 QuantifierPusher]: treesize reduction 40, result has 74.5 percent of original size 117 [2021-03-25 17:50:25,320 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2021-03-25 17:50:25,321 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:50:25,322 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:50:25,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:50:25,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775969261] [2021-03-25 17:50:25,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817420323] [2021-03-25 17:50:25,359 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 [2021-03-25 17:50:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:50:25,371 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:50:25,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:50:25,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,398 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:50:25,398 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:50:25,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:25,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:50:25,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:25,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:50:25,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:25,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:50:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:25,509 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 [2021-03-25 17:50:25,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:25,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:25,511 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:50:25,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:50:25,520 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:50:25,520 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:50:25,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:50:25,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:50:25,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:50:25,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:50:25,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:50:25,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:50:25,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 17:50:25,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 17:50:25,552 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 [2021-03-25 17:50:25,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:50:25,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:50:25,555 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:50:25,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:50:25,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:50:25,594 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:62 [2021-03-25 17:50:25,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:50:25,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:50:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:50:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 17:50:25,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:50:25,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 17:50:25,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:50:25,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:50:25,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 17:50:25,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 17:50:25,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 17:50:25,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 17:50:25,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:25,686 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 [2021-03-25 17:50:25,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:50:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 17:50:25,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:50:25,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:25,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:50:25,728 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. [2021-03-25 17:50:25,728 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:67 [2021-03-25 17:50:25,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:25,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:50:25,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:25,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:25,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:25,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:50:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:50:25,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:50:25,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 17:50:25,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005824680] [2021-03-25 17:50:25,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 17:50:25,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:50:25,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 17:50:25,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-25 17:50:25,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 239 [2021-03-25 17:50:25,788 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) [2021-03-25 17:50:25,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:50:25,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 239 [2021-03-25 17:50:25,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:50:34,044 INFO L129 PetriNetUnfolder]: 1781/3879 cut-off events. [2021-03-25 17:50:34,044 INFO L130 PetriNetUnfolder]: For 822163/826492 co-relation queries the response was YES. [2021-03-25 17:50:34,116 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. [2021-03-25 17:50:34,159 INFO L132 encePairwiseOnDemand]: 181/239 looper letters, 1623 selfloop transitions, 335 changer transitions 18/1979 dead transitions. [2021-03-25 17:50:34,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 1979 transitions, 95643 flow [2021-03-25 17:50:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 17:50:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 17:50:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 161 transitions. [2021-03-25 17:50:34,162 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06736401673640167 [2021-03-25 17:50:34,162 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 161 transitions. [2021-03-25 17:50:34,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 161 transitions. [2021-03-25 17:50:34,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:50:34,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 161 transitions. [2021-03-25 17:50:34,162 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) [2021-03-25 17:50:34,163 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) [2021-03-25 17:50:34,163 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) [2021-03-25 17:50:34,163 INFO L185 Difference]: Start difference. First operand has 693 places, 1953 transitions, 89984 flow. Second operand 10 states and 161 transitions. [2021-03-25 17:50:34,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 1979 transitions, 95643 flow [2021-03-25 17:50:39,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 1979 transitions, 95516 flow, removed 29 selfloop flow, removed 2 redundant places. [2021-03-25 17:50:39,849 INFO L241 Difference]: Finished difference. Result has 703 places, 1951 transitions, 90450 flow [2021-03-25 17:50:39,850 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} [2021-03-25 17:50:39,850 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 686 predicate places. [2021-03-25 17:50:39,850 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:50:39,850 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 703 places, 1951 transitions, 90450 flow [2021-03-25 17:50:39,850 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 703 places, 1951 transitions, 90450 flow [2021-03-25 17:50:39,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 697 places, 1951 transitions, 90450 flow [2021-03-25 17:50:42,129 INFO L129 PetriNetUnfolder]: 1776/3861 cut-off events. [2021-03-25 17:50:42,130 INFO L130 PetriNetUnfolder]: For 822514/823211 co-relation queries the response was YES. [2021-03-25 17:50:42,207 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. [2021-03-25 17:50:42,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 3940 [2021-03-25 17:50:43,255 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:50:43,255 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:50:43,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3405 [2021-03-25 17:50:43,256 INFO L480 AbstractCegarLoop]: Abstraction has has 697 places, 1951 transitions, 90450 flow [2021-03-25 17:50:43,256 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) [2021-03-25 17:50:43,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:50:43,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:50:43,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133,107 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:50:43,456 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:50:43,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:50:43,457 INFO L82 PathProgramCache]: Analyzing trace with hash -440109899, now seen corresponding path program 1 times [2021-03-25 17:50:43,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:50:43,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330427452] [2021-03-25 17:50:43,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:50:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:50:43,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:43,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:43,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:43,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:43,483 INFO L142 QuantifierPusher]: treesize reduction 232, result has 14.7 percent of original size [2021-03-25 17:50:43,484 INFO L147 QuantifierPusher]: treesize reduction 35, result has 12.5 percent of original size 5 [2021-03-25 17:50:43,535 INFO L142 QuantifierPusher]: treesize reduction 246, result has 26.1 percent of original size [2021-03-25 17:50:43,536 INFO L147 QuantifierPusher]: treesize reduction 12, result has 86.2 percent of original size 75 [2021-03-25 17:50:43,752 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-03-25 17:50:43,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:43,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:50:43,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330427452] [2021-03-25 17:50:43,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:50:43,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 17:50:43,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865851822] [2021-03-25 17:50:43,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 17:50:43,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:50:43,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 17:50:43,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 17:50:43,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 239 [2021-03-25 17:50:43,765 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) [2021-03-25 17:50:43,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:50:43,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 239 [2021-03-25 17:50:43,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:50:49,262 INFO L129 PetriNetUnfolder]: 1796/3903 cut-off events. [2021-03-25 17:50:49,263 INFO L130 PetriNetUnfolder]: For 842562/852319 co-relation queries the response was YES. [2021-03-25 17:50:49,337 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. [2021-03-25 17:50:49,381 INFO L132 encePairwiseOnDemand]: 207/239 looper letters, 1700 selfloop transitions, 279 changer transitions 0/1982 dead transitions. [2021-03-25 17:50:49,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 1982 transitions, 95921 flow [2021-03-25 17:50:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 17:50:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 17:50:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 142 transitions. [2021-03-25 17:50:49,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.07426778242677824 [2021-03-25 17:50:49,383 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 142 transitions. [2021-03-25 17:50:49,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 142 transitions. [2021-03-25 17:50:49,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:50:49,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 142 transitions. [2021-03-25 17:50:49,384 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) [2021-03-25 17:50:49,384 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) [2021-03-25 17:50:49,385 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) [2021-03-25 17:50:49,385 INFO L185 Difference]: Start difference. First operand has 697 places, 1951 transitions, 90450 flow. Second operand 8 states and 142 transitions. [2021-03-25 17:50:49,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 1982 transitions, 95921 flow [2021-03-25 17:50:54,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 1982 transitions, 94885 flow, removed 22 selfloop flow, removed 10 redundant places. [2021-03-25 17:50:54,624 INFO L241 Difference]: Finished difference. Result has 698 places, 1973 transitions, 91516 flow [2021-03-25 17:50:54,625 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} [2021-03-25 17:50:54,626 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 681 predicate places. [2021-03-25 17:50:54,626 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:50:54,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 698 places, 1973 transitions, 91516 flow [2021-03-25 17:50:54,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 698 places, 1973 transitions, 91516 flow [2021-03-25 17:50:54,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 698 places, 1973 transitions, 91516 flow [2021-03-25 17:50:56,853 INFO L129 PetriNetUnfolder]: 1796/3903 cut-off events. [2021-03-25 17:50:56,853 INFO L130 PetriNetUnfolder]: For 822343/823022 co-relation queries the response was YES. [2021-03-25 17:50:57,097 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. [2021-03-25 17:50:57,207 INFO L142 LiptonReduction]: Number of co-enabled transitions 3984 [2021-03-25 17:50:59,451 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 17:50:59,452 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 17:50:59,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4826 [2021-03-25 17:50:59,452 INFO L480 AbstractCegarLoop]: Abstraction has has 698 places, 1971 transitions, 91371 flow [2021-03-25 17:50:59,452 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) [2021-03-25 17:50:59,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:50:59,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:50:59,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-25 17:50:59,452 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:50:59,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:50:59,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1646278914, now seen corresponding path program 1 times [2021-03-25 17:50:59,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:50:59,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271639978] [2021-03-25 17:50:59,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:50:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:50:59,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:50:59,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:50:59,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:50:59,487 INFO L142 QuantifierPusher]: treesize reduction 41, result has 41.4 percent of original size [2021-03-25 17:50:59,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 17:50:59,519 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:50:59,520 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:50:59,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:50:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 17:50:59,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271639978] [2021-03-25 17:50:59,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312005237] [2021-03-25 17:50:59,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:50:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:50:59,573 WARN L261 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-25 17:50:59,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:50:59,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,597 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:50:59,598 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:50:59,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,620 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:50:59,621 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:50:59,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:50:59,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:59,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:50:59,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:50:59,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:50:59,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 17:50:59,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,652 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 [2021-03-25 17:50:59,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:50:59,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 17:50:59,655 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:50:59,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:50:59,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:50:59,668 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:24 [2021-03-25 17:50:59,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:50:59,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 17:50:59,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:50:59,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:50:59,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:50:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:50:59,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 17:50:59,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:50:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,709 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 [2021-03-25 17:50:59,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:50:59,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 17:50:59,711 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:50:59,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:50:59,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:50:59,730 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:34 [2021-03-25 17:50:59,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:50:59,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:50:59,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:50:59,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:50:59,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:50:59,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:50:59,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:50:59,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:50:59,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 17:50:59,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 17:50:59,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 17:50:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 17:50:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:50:59,806 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 [2021-03-25 17:50:59,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:50:59,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 17:50:59,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:50:59,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:59,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:50:59,840 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. [2021-03-25 17:50:59,840 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:39 [2021-03-25 17:50:59,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:59,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:50:59,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:50:59,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:50:59,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:50:59,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 17:50:59,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:50:59,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:50:59,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2021-03-25 17:50:59,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582019848] [2021-03-25 17:50:59,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 17:50:59,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:50:59,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 17:50:59,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-03-25 17:50:59,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 239 [2021-03-25 17:50:59,894 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) [2021-03-25 17:50:59,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:50:59,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 239 [2021-03-25 17:50:59,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:51:08,157 INFO L129 PetriNetUnfolder]: 1794/3902 cut-off events. [2021-03-25 17:51:08,157 INFO L130 PetriNetUnfolder]: For 840682/852459 co-relation queries the response was YES. [2021-03-25 17:51:08,234 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. [2021-03-25 17:51:08,279 INFO L132 encePairwiseOnDemand]: 200/239 looper letters, 1710 selfloop transitions, 255 changer transitions 5/1973 dead transitions. [2021-03-25 17:51:08,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 1973 transitions, 95440 flow [2021-03-25 17:51:08,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 17:51:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 17:51:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 143 transitions. [2021-03-25 17:51:08,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.06648070664807067 [2021-03-25 17:51:08,282 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 143 transitions. [2021-03-25 17:51:08,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 143 transitions. [2021-03-25 17:51:08,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:51:08,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 143 transitions. [2021-03-25 17:51:08,282 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) [2021-03-25 17:51:08,283 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) [2021-03-25 17:51:08,283 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) [2021-03-25 17:51:08,283 INFO L185 Difference]: Start difference. First operand has 698 places, 1971 transitions, 91371 flow. Second operand 9 states and 143 transitions. [2021-03-25 17:51:08,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 1973 transitions, 95440 flow [2021-03-25 17:51:13,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 1973 transitions, 95402 flow, removed 17 selfloop flow, removed 2 redundant places. [2021-03-25 17:51:13,424 INFO L241 Difference]: Finished difference. Result has 704 places, 1967 transitions, 91654 flow [2021-03-25 17:51:13,425 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} [2021-03-25 17:51:13,425 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 687 predicate places. [2021-03-25 17:51:13,425 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:51:13,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 704 places, 1967 transitions, 91654 flow [2021-03-25 17:51:13,425 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 704 places, 1967 transitions, 91654 flow [2021-03-25 17:51:13,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 1967 transitions, 91654 flow [2021-03-25 17:51:15,739 INFO L129 PetriNetUnfolder]: 1793/3897 cut-off events. [2021-03-25 17:51:15,740 INFO L130 PetriNetUnfolder]: For 832972/832972 co-relation queries the response was YES. [2021-03-25 17:51:16,024 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. [2021-03-25 17:51:16,113 INFO L142 LiptonReduction]: Number of co-enabled transitions 3972 [2021-03-25 17:51:17,105 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:51:17,106 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:51:17,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3681 [2021-03-25 17:51:17,106 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 1967 transitions, 91654 flow [2021-03-25 17:51:17,106 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) [2021-03-25 17:51:17,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:51:17,106 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:51:17,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-03-25 17:51:17,307 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:51:17,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:51:17,307 INFO L82 PathProgramCache]: Analyzing trace with hash -758504350, now seen corresponding path program 1 times [2021-03-25 17:51:17,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:51:17,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797721049] [2021-03-25 17:51:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:51:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:51:17,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:51:17,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:51:17,352 INFO L142 QuantifierPusher]: treesize reduction 246, result has 11.2 percent of original size [2021-03-25 17:51:17,353 INFO L147 QuantifierPusher]: treesize reduction 26, result has 16.1 percent of original size 5 [2021-03-25 17:51:17,388 INFO L142 QuantifierPusher]: treesize reduction 239, result has 29.3 percent of original size [2021-03-25 17:51:17,389 INFO L147 QuantifierPusher]: treesize reduction 19, result has 80.8 percent of original size 80 [2021-03-25 17:51:17,536 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2021-03-25 17:51:17,538 INFO L142 QuantifierPusher]: treesize reduction 40, result has 32.2 percent of original size [2021-03-25 17:51:17,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:51:17,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:51:17,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797721049] [2021-03-25 17:51:17,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102148465] [2021-03-25 17:51:17,577 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 [2021-03-25 17:51:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:51:17,592 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 17:51:17,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:51:17,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,641 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-25 17:51:17,642 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-25 17:51:17,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:17,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:51:17,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:17,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:51:17,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:17,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:51:17,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:17,672 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 [2021-03-25 17:51:17,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:17,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:17,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:51:17,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:51:17,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:51:17,683 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:51:17,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:51:17,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:51:17,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:51:17,708 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size 72 [2021-03-25 17:51:17,709 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-03-25 17:51:17,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:51:17,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:51:17,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:51:17,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:51:17,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:17,796 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 [2021-03-25 17:51:17,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 17:51:17,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 17:51:17,799 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:51:17,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:51:17,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:51:17,840 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:89 [2021-03-25 17:51:17,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:51:17,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 17:51:17,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:51:17,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:51:17,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:51:17,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:51:17,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:17,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 17:51:17,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 17:51:17,908 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 [2021-03-25 17:51:17,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:51:17,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 17:51:17,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:51:17,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:51:17,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:51:17,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2021-03-25 17:51:17,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:51:17,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:17,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 17:51:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:51:18,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:51:18,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-25 17:51:18,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070271250] [2021-03-25 17:51:18,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 17:51:18,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:51:18,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 17:51:18,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-25 17:51:18,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 239 [2021-03-25 17:51:18,002 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) [2021-03-25 17:51:18,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:51:18,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 239 [2021-03-25 17:51:18,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:51:25,818 INFO L129 PetriNetUnfolder]: 1804/3922 cut-off events. [2021-03-25 17:51:25,819 INFO L130 PetriNetUnfolder]: For 851714/856179 co-relation queries the response was YES. [2021-03-25 17:51:25,898 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. [2021-03-25 17:51:25,944 INFO L132 encePairwiseOnDemand]: 204/239 looper letters, 1716 selfloop transitions, 269 changer transitions 1/1989 dead transitions. [2021-03-25 17:51:25,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 710 places, 1989 transitions, 96957 flow [2021-03-25 17:51:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 17:51:25,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 17:51:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 173 transitions. [2021-03-25 17:51:25,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0603207810320781 [2021-03-25 17:51:25,947 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 173 transitions. [2021-03-25 17:51:25,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 173 transitions. [2021-03-25 17:51:25,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:51:25,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 173 transitions. [2021-03-25 17:51:25,947 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) [2021-03-25 17:51:25,948 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) [2021-03-25 17:51:25,948 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) [2021-03-25 17:51:25,948 INFO L185 Difference]: Start difference. First operand has 699 places, 1967 transitions, 91654 flow. Second operand 12 states and 173 transitions. [2021-03-25 17:51:25,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 710 places, 1989 transitions, 96957 flow [2021-03-25 17:51:31,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 1989 transitions, 96431 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-03-25 17:51:31,057 INFO L241 Difference]: Finished difference. Result has 709 places, 1987 transitions, 92958 flow [2021-03-25 17:51:31,058 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} [2021-03-25 17:51:31,058 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 692 predicate places. [2021-03-25 17:51:31,058 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:51:31,058 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 709 places, 1987 transitions, 92958 flow [2021-03-25 17:51:31,058 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 709 places, 1987 transitions, 92958 flow [2021-03-25 17:51:31,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 709 places, 1987 transitions, 92958 flow [2021-03-25 17:51:33,579 INFO L129 PetriNetUnfolder]: 1804/3922 cut-off events. [2021-03-25 17:51:33,580 INFO L130 PetriNetUnfolder]: For 844653/844814 co-relation queries the response was YES. [2021-03-25 17:51:33,661 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. [2021-03-25 17:51:33,760 INFO L142 LiptonReduction]: Number of co-enabled transitions 4012 [2021-03-25 17:51:34,186 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-25 17:51:34,655 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-25 17:51:35,622 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-25 17:51:35,812 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-25 17:51:36,289 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:51:36,502 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:51:36,707 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-25 17:51:37,008 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-25 17:51:37,263 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-25 17:51:39,066 INFO L154 LiptonReduction]: Checked pairs total: 14 [2021-03-25 17:51:39,066 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 17:51:39,067 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8009 [2021-03-25 17:51:39,067 INFO L480 AbstractCegarLoop]: Abstraction has has 707 places, 1977 transitions, 92407 flow [2021-03-25 17:51:39,067 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) [2021-03-25 17:51:39,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:51:39,067 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:51:39,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-03-25 17:51:39,268 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:51:39,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:51:39,268 INFO L82 PathProgramCache]: Analyzing trace with hash 447522945, now seen corresponding path program 1 times [2021-03-25 17:51:39,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:51:39,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009973597] [2021-03-25 17:51:39,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:51:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:51:39,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:39,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:39,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:39,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:39,296 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:51:39,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:51:39,303 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:51:39,304 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:51:39,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 17:51:39,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009973597] [2021-03-25 17:51:39,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261281775] [2021-03-25 17:51:39,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:51:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:51:39,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:51:39,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:51:39,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:51:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:51:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:51:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:51:39,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:51:39,474 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 [2021-03-25 17:51:39,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:39,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:39,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:51:39,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:51:39,485 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:51:39,485 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:51:39,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:51:39,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:51:39,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:51:39,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:51:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:51:39,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:51:39,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:51:39,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:51:39,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:51:39,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:51:39,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:51:39,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:51:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:51:39,525 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 [2021-03-25 17:51:39,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:51:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:51:39,527 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:51:39,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:51:39,539 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. [2021-03-25 17:51:39,539 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:51:39,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:51:39,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:51:39,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:39,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:51:39,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:51:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:51:39,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:51:39,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-03-25 17:51:39,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950338244] [2021-03-25 17:51:39,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 17:51:39,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:51:39,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 17:51:39,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-03-25 17:51:39,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 245 [2021-03-25 17:51:39,566 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) [2021-03-25 17:51:39,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:51:39,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 245 [2021-03-25 17:51:39,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:51:48,268 INFO L129 PetriNetUnfolder]: 1866/4075 cut-off events. [2021-03-25 17:51:48,268 INFO L130 PetriNetUnfolder]: For 918449/925730 co-relation queries the response was YES. [2021-03-25 17:51:48,348 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. [2021-03-25 17:51:48,395 INFO L132 encePairwiseOnDemand]: 184/245 looper letters, 1271 selfloop transitions, 818 changer transitions 43/2135 dead transitions. [2021-03-25 17:51:48,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 735 places, 2135 transitions, 105012 flow [2021-03-25 17:51:48,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-25 17:51:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-25 17:51:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 345 transitions. [2021-03-25 17:51:48,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.048557353976073185 [2021-03-25 17:51:48,398 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 345 transitions. [2021-03-25 17:51:48,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 345 transitions. [2021-03-25 17:51:48,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:51:48,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 345 transitions. [2021-03-25 17:51:48,398 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) [2021-03-25 17:51:48,401 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) [2021-03-25 17:51:48,401 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) [2021-03-25 17:51:48,401 INFO L185 Difference]: Start difference. First operand has 707 places, 1977 transitions, 92407 flow. Second operand 29 states and 345 transitions. [2021-03-25 17:51:48,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 735 places, 2135 transitions, 105012 flow [2021-03-25 17:51:53,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 726 places, 2135 transitions, 103986 flow, removed 155 selfloop flow, removed 9 redundant places. [2021-03-25 17:51:53,750 INFO L241 Difference]: Finished difference. Result has 735 places, 2034 transitions, 96339 flow [2021-03-25 17:51:53,751 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} [2021-03-25 17:51:53,751 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 718 predicate places. [2021-03-25 17:51:53,751 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:51:53,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 735 places, 2034 transitions, 96339 flow [2021-03-25 17:51:53,752 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 735 places, 2034 transitions, 96339 flow [2021-03-25 17:51:53,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 728 places, 2034 transitions, 96339 flow [2021-03-25 17:51:56,185 INFO L129 PetriNetUnfolder]: 1839/3996 cut-off events. [2021-03-25 17:51:56,185 INFO L130 PetriNetUnfolder]: For 869280/869991 co-relation queries the response was YES. [2021-03-25 17:51:56,268 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. [2021-03-25 17:51:56,561 INFO L142 LiptonReduction]: Number of co-enabled transitions 4106 [2021-03-25 17:51:58,871 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 17:51:58,871 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 17:51:58,871 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5120 [2021-03-25 17:51:58,872 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 2032 transitions, 96185 flow [2021-03-25 17:51:58,872 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) [2021-03-25 17:51:58,872 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:51:58,872 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 17:51:59,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable137 [2021-03-25 17:51:59,072 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:51:59,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:51:59,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1667481716, now seen corresponding path program 1 times [2021-03-25 17:51:59,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:51:59,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932974405] [2021-03-25 17:51:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:51:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:51:59,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:59,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:51:59,099 INFO L142 QuantifierPusher]: treesize reduction 257, result has 44.1 percent of original size [2021-03-25 17:51:59,101 INFO L147 QuantifierPusher]: treesize reduction 47, result has 76.8 percent of original size 156 [2021-03-25 17:51:59,406 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2021-03-25 17:51:59,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:51:59,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:51:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:51:59,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932974405] [2021-03-25 17:51:59,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 17:51:59,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 17:51:59,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041107530] [2021-03-25 17:51:59,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 17:51:59,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:51:59,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 17:51:59,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 17:51:59,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 246 [2021-03-25 17:51:59,419 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) [2021-03-25 17:51:59,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:51:59,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 246 [2021-03-25 17:51:59,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:52:06,219 INFO L129 PetriNetUnfolder]: 1838/3980 cut-off events. [2021-03-25 17:52:06,219 INFO L130 PetriNetUnfolder]: For 865675/867224 co-relation queries the response was YES. [2021-03-25 17:52:06,304 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. [2021-03-25 17:52:06,351 INFO L132 encePairwiseOnDemand]: 209/246 looper letters, 1795 selfloop transitions, 237 changer transitions 0/2035 dead transitions. [2021-03-25 17:52:06,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 2035 transitions, 100455 flow [2021-03-25 17:52:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 17:52:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 17:52:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2021-03-25 17:52:06,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0910569105691057 [2021-03-25 17:52:06,353 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 112 transitions. [2021-03-25 17:52:06,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 112 transitions. [2021-03-25 17:52:06,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:52:06,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 112 transitions. [2021-03-25 17:52:06,354 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) [2021-03-25 17:52:06,354 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) [2021-03-25 17:52:06,354 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) [2021-03-25 17:52:06,354 INFO L185 Difference]: Start difference. First operand has 726 places, 2032 transitions, 96185 flow. Second operand 5 states and 112 transitions. [2021-03-25 17:52:06,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 2035 transitions, 100455 flow [2021-03-25 17:52:11,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 2035 transitions, 99456 flow, removed 412 selfloop flow, removed 13 redundant places. [2021-03-25 17:52:11,878 INFO L241 Difference]: Finished difference. Result has 718 places, 2034 transitions, 96060 flow [2021-03-25 17:52:11,879 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} [2021-03-25 17:52:11,879 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 701 predicate places. [2021-03-25 17:52:11,879 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:52:11,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 718 places, 2034 transitions, 96060 flow [2021-03-25 17:52:11,880 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 718 places, 2034 transitions, 96060 flow [2021-03-25 17:52:11,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 718 places, 2034 transitions, 96060 flow [2021-03-25 17:52:14,331 INFO L129 PetriNetUnfolder]: 1838/3980 cut-off events. [2021-03-25 17:52:14,331 INFO L130 PetriNetUnfolder]: For 865102/866077 co-relation queries the response was YES. [2021-03-25 17:52:14,421 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. [2021-03-25 17:52:14,515 INFO L142 LiptonReduction]: Number of co-enabled transitions 4106 [2021-03-25 17:52:16,716 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 17:52:16,716 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 17:52:16,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4837 [2021-03-25 17:52:16,716 INFO L480 AbstractCegarLoop]: Abstraction has has 718 places, 2033 transitions, 95971 flow [2021-03-25 17:52:16,717 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) [2021-03-25 17:52:16,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:52:16,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:52:16,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-25 17:52:16,717 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:52:16,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:52:16,717 INFO L82 PathProgramCache]: Analyzing trace with hash -152325013, now seen corresponding path program 1 times [2021-03-25 17:52:16,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:52:16,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011501467] [2021-03-25 17:52:16,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:52:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:52:16,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:16,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:52:16,745 INFO L142 QuantifierPusher]: treesize reduction 284, result has 38.9 percent of original size [2021-03-25 17:52:16,747 INFO L147 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-03-25 17:52:17,076 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2021-03-25 17:52:17,078 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:52:17,079 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:52:17,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:52:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:52:17,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011501467] [2021-03-25 17:52:17,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317737222] [2021-03-25 17:52:17,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-25 17:52:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:52:17,147 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 17:52:17,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:52:17,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:17,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:52:17,205 INFO L147 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size 64 [2021-03-25 17:52:17,206 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-03-25 17:52:17,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:52:17,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:52:17,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 17:52:17,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 17:52:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-03-25 17:52:17,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 17:52:17,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 17:52:17,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:52:17,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:52:17,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:52:17,361 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:82 [2021-03-25 17:52:17,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:52:17,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 17:52:17,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-25 17:52:17,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-25 17:52:17,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-25 17:52:17,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-25 17:52:17,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-25 17:52:17,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-25 17:52:17,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,681 INFO L244 Elim1Store]: Index analysis took 257 ms [2021-03-25 17:52:17,683 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 [2021-03-25 17:52:17,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-03-25 17:52:17,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-03-25 17:52:17,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:52:17,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-03-25 17:52:17,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:52:17,773 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:152 [2021-03-25 17:52:17,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-03-25 17:52:17,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-03-25 17:52:17,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-03-25 17:52:17,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-03-25 17:52:17,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-03-25 17:52:17,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-03-25 17:52:17,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:52:17,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:52:17,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-03-25 17:52:17,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-03-25 17:52:17,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:17,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:17,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-03-25 17:52:17,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-03-25 17:52:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:18,190 INFO L244 Elim1Store]: Index analysis took 285 ms [2021-03-25 17:52:18,192 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 [2021-03-25 17:52:18,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-03-25 17:52:18,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-03-25 17:52:18,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:52:18,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:18,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:18,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-03-25 17:52:18,287 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. [2021-03-25 17:52:18,288 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:158, output treesize:157 [2021-03-25 17:52:18,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:18,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:18,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-03-25 17:52:18,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:18,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:18,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:18,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-03-25 17:52:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:52:18,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:52:18,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-25 17:52:18,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942718649] [2021-03-25 17:52:18,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 17:52:18,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:52:18,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 17:52:18,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-25 17:52:18,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 246 [2021-03-25 17:52:18,407 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) [2021-03-25 17:52:18,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:52:18,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 246 [2021-03-25 17:52:18,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:52:27,391 INFO L129 PetriNetUnfolder]: 1837/3981 cut-off events. [2021-03-25 17:52:27,391 INFO L130 PetriNetUnfolder]: For 880744/886908 co-relation queries the response was YES. [2021-03-25 17:52:27,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104182 conditions, 3981 events. 1837/3981 cut-off events. For 880744/886908 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 33657 event pairs, 79 based on Foata normal form. 38/4018 useless extension candidates. Maximal degree in co-relation 103873. Up to 3749 conditions per place. [2021-03-25 17:52:27,519 INFO L132 encePairwiseOnDemand]: 210/246 looper letters, 1795 selfloop transitions, 233 changer transitions 5/2036 dead transitions. [2021-03-25 17:52:27,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 724 places, 2036 transitions, 100243 flow [2021-03-25 17:52:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 17:52:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 17:52:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 128 transitions. [2021-03-25 17:52:27,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.0743321718931475 [2021-03-25 17:52:27,522 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 128 transitions. [2021-03-25 17:52:27,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 128 transitions. [2021-03-25 17:52:27,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:52:27,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 128 transitions. [2021-03-25 17:52:27,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 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) [2021-03-25 17:52:27,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 246.0) internal successors, (1968), 8 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 17:52:27,523 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 246.0) internal successors, (1968), 8 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 17:52:27,523 INFO L185 Difference]: Start difference. First operand has 718 places, 2033 transitions, 95971 flow. Second operand 7 states and 128 transitions. [2021-03-25 17:52:27,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 724 places, 2036 transitions, 100243 flow [2021-03-25 17:52:33,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 721 places, 2036 transitions, 100180 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-25 17:52:33,111 INFO L241 Difference]: Finished difference. Result has 722 places, 2030 transitions, 96138 flow [2021-03-25 17:52:33,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=95908, PETRI_DIFFERENCE_MINUEND_PLACES=715, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2033, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1800, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=96138, PETRI_PLACES=722, PETRI_TRANSITIONS=2030} [2021-03-25 17:52:33,112 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 705 predicate places. [2021-03-25 17:52:33,112 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:52:33,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 722 places, 2030 transitions, 96138 flow [2021-03-25 17:52:33,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 722 places, 2030 transitions, 96138 flow [2021-03-25 17:52:33,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 718 places, 2030 transitions, 96138 flow [2021-03-25 17:52:35,542 INFO L129 PetriNetUnfolder]: 1836/3976 cut-off events. [2021-03-25 17:52:35,542 INFO L130 PetriNetUnfolder]: For 866429/866429 co-relation queries the response was YES. [2021-03-25 17:52:35,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100377 conditions, 3976 events. 1836/3976 cut-off events. For 866429/866429 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 33668 event pairs, 96 based on Foata normal form. 0/3975 useless extension candidates. Maximal degree in co-relation 100068. Up to 2098 conditions per place. [2021-03-25 17:52:35,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 4098 [2021-03-25 17:52:36,810 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:52:36,810 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:52:36,810 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3698 [2021-03-25 17:52:36,811 INFO L480 AbstractCegarLoop]: Abstraction has has 718 places, 2030 transitions, 96138 flow [2021-03-25 17:52:36,811 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) [2021-03-25 17:52:36,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 17:52:36,811 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 17:52:37,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139,111 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:52:37,011 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT, barErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 17:52:37,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 17:52:37,012 INFO L82 PathProgramCache]: Analyzing trace with hash 612250964, now seen corresponding path program 2 times [2021-03-25 17:52:37,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 17:52:37,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298636599] [2021-03-25 17:52:37,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 17:52:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 17:52:37,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:52:37,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:52:37,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:52:37,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:52:37,039 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-03-25 17:52:37,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 17:52:37,047 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-25 17:52:37,048 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 17:52:37,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:52:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 17:52:37,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298636599] [2021-03-25 17:52:37,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845797699] [2021-03-25 17:52:37,084 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 112 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 112 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:52:37,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 17:52:37,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 17:52:37,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-25 17:52:37,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 17:52:37,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 17:52:37,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:52:37,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:52:37,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 17:52:37,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 17:52:37,248 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 [2021-03-25 17:52:37,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:52:37,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 17:52:37,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:52:37,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:52:37,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 17:52:37,261 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-03-25 17:52:37,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:52:37,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:52:37,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:52:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:52:37,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:52:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:52:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 17:52:37,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 17:52:37,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 17:52:37,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:52:37,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 17:52:37,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 17:52:37,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-25 17:52:37,309 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 [2021-03-25 17:52:37,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:52:37,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 17:52:37,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 17:52:37,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:52:37,325 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. [2021-03-25 17:52:37,326 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2021-03-25 17:52:37,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:52:37,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 17:52:37,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 17:52:37,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 17:52:37,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 17:52:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 17:52:37,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 17:52:37,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-03-25 17:52:37,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317400241] [2021-03-25 17:52:37,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 17:52:37,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 17:52:37,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 17:52:37,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-03-25 17:52:37,359 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 246 [2021-03-25 17:52:37,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 2030 transitions, 96138 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) [2021-03-25 17:52:37,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 17:52:37,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 246 [2021-03-25 17:52:37,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 17:52:45,195 INFO L129 PetriNetUnfolder]: 1932/4215 cut-off events. [2021-03-25 17:52:45,196 INFO L130 PetriNetUnfolder]: For 981743/982330 co-relation queries the response was YES. [2021-03-25 17:52:45,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112919 conditions, 4215 events. 1932/4215 cut-off events. For 981743/982330 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 36212 event pairs, 80 based on Foata normal form. 32/4246 useless extension candidates. Maximal degree in co-relation 112608. Up to 2245 conditions per place. [2021-03-25 17:52:45,335 INFO L132 encePairwiseOnDemand]: 185/246 looper letters, 1013 selfloop transitions, 1192 changer transitions 0/2208 dead transitions. [2021-03-25 17:52:45,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 737 places, 2208 transitions, 110907 flow [2021-03-25 17:52:45,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 17:52:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 17:52:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 254 transitions. [2021-03-25 17:52:45,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.051626016260162604 [2021-03-25 17:52:45,338 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 254 transitions. [2021-03-25 17:52:45,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 254 transitions. [2021-03-25 17:52:45,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 17:52:45,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 254 transitions. [2021-03-25 17:52:45,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 12.7) internal successors, (254), 20 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 17:52:45,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 246.0) internal successors, (5166), 21 states have internal predecessors, (5166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 17:52:45,340 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 246.0) internal successors, (5166), 21 states have internal predecessors, (5166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 17:52:45,340 INFO L185 Difference]: Start difference. First operand has 718 places, 2030 transitions, 96138 flow. Second operand 20 states and 254 transitions. [2021-03-25 17:52:45,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 737 places, 2208 transitions, 110907 flow Received shutdown request... [2021-03-25 17:52:49,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140,112 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 17:52:49,735 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-25 17:52:49,737 WARN L224 ceAbstractionStarter]: Timeout [2021-03-25 17:52:49,738 INFO L202 PluginConnector]: Adding new model array_even_odd.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 05:52:49 BasicIcfg [2021-03-25 17:52:49,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 17:52:49,738 INFO L168 Benchmark]: Toolchain (without parser) took 837359.03 ms. Allocated memory was 346.0 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 326.5 MB in the beginning and 5.9 GB in the end (delta: -5.6 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB. [2021-03-25 17:52:49,738 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 346.0 MB. Free memory was 327.5 MB in the beginning and 327.4 MB in the end (delta: 77.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 17:52:49,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.93 ms. Allocated memory is still 346.0 MB. Free memory was 326.4 MB in the beginning and 325.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 17:52:49,738 INFO L168 Benchmark]: Boogie Preprocessor took 17.33 ms. Allocated memory is still 346.0 MB. Free memory was 324.9 MB in the beginning and 323.9 MB in the end (delta: 934.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 17:52:49,738 INFO L168 Benchmark]: RCFGBuilder took 204.09 ms. Allocated memory is still 346.0 MB. Free memory was 323.9 MB in the beginning and 314.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-25 17:52:49,738 INFO L168 Benchmark]: TraceAbstraction took 837100.25 ms. Allocated memory was 346.0 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 314.2 MB in the beginning and 5.9 GB in the end (delta: -5.6 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB. [2021-03-25 17:52:49,739 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 0.11 ms. Allocated memory is still 346.0 MB. Free memory was 327.5 MB in the beginning and 327.4 MB in the end (delta: 77.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.93 ms. Allocated memory is still 346.0 MB. Free memory was 326.4 MB in the beginning and 325.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.33 ms. Allocated memory is still 346.0 MB. Free memory was 324.9 MB in the beginning and 323.9 MB in the end (delta: 934.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 204.09 ms. Allocated memory is still 346.0 MB. Free memory was 323.9 MB in the beginning and 314.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 837100.25 ms. Allocated memory was 346.0 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 314.2 MB in the beginning and 5.9 GB in the end (delta: -5.6 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 388.0ms, 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: 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: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 69, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 51, negative conditional: 0, negative unconditional: 51, 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): 4, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.2ms, 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: 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: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, 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): 7, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.9ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.0ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 177.0ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 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: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.3ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 118.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.5ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.8ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 222.9ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 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: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.7ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.9ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.8ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.1ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.7ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.0ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 330.1ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 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: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.4ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84.6ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 221.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.8ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.8ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 93.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.2ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.3ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.4ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 216.3ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 390.7ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 26, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 463.2ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 254.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 538.4ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 340.5ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 391.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 360.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 352.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.0ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 699.5ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 407.1ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 10, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 435.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 417.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 307.5ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 868.5ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 461.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 376.5ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.5ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 456.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 771.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 829.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1413.9ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 12, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1069.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1195.4ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 838.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2263.9ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1677.4ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 662.7ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 666.4ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 884.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2945.5ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 815.3ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 806.0ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 971.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1931.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 841.8ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1146.5ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2246.9ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 828.8ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1203.7ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1644.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 921.4ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2141.4ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1872.5ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1398.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 885.7ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2243.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 984.8ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1291.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4137.3ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2060.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1084.1ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1430.0ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4895.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4480.0ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1089.9ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1066.6ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1471.7ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2596.5ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1155.8ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2389.5ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1745.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2124.4ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3522.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2016.0ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2867.1ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3035.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2715.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3761.2ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3655.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2172.9ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2274.5ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2348.3ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3148.8ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3702.4ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3628.5ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5424.2ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5193.0ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3256.2ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6811.4ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4575.8ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3580.6ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3580.1ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4721.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6364.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4436.7ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 90, Positive conditional cache size: 0, Positive unconditional cache size: 90, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7462.0ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6187.9ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 92, Positive cache size: 92, Positive conditional cache size: 0, Positive unconditional cache size: 92, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3802.9ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 92, Positive cache size: 92, Positive conditional cache size: 0, Positive unconditional cache size: 92, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5317.1ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3405.2ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4825.8ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3680.3ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8008.3ms, 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: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 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: 14, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5119.6ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4836.5ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3698.0ms, 722 PlacesBefore, 718 PlacesAfterwards, 2030 TransitionsBefore, 2030 TransitionsAfterwards, 4098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 32]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 32). Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 22]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 22). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 836979.2ms, OverallIterations: 141, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 538220.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 458.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1932 SDtfs, 971 SDslu, 0 SDs, 0 SdLazy, 42596 SolverSat, 3550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94873.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1907 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 1673 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6019 ImplicationChecksByTransitivity, 35540.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96339occurred in iteration=138, InterpolantAutomatonStates: 1561, 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: 225.7ms SsaConstructionTime, 661.8ms SatisfiabilityAnalysisTime, 46155.6ms InterpolantComputationTime, 2073 NumberOfCodeBlocks, 2073 NumberOfCodeBlocksAsserted, 260 NumberOfCheckSat, 1821 ConstructedInterpolants, 95 QuantifiedInterpolants, 30826 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2492 ConjunctsInSsa, 1160 ConjunctsInUnsatCore, 252 InterpolantComputations, 44 PerfectInterpolantSequences, 182/749 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